Journal of Electronic Materials最新文献

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Transparent SnS2/NiO for Enhanced Charge Transfer Assisted Efficient Broadband Photodetector 用于增强电荷转移辅助高效宽带光电探测器的透明SnS2/NiO
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-25 DOI: 10.1007/s11664-026-13170-9
Shipalika, Tania Kalsi, Neha Sharma, Aakshi Chandel, Nupur Saxena, Pragati Kumar
{"title":"Transparent SnS2/NiO for Enhanced Charge Transfer Assisted Efficient Broadband Photodetector","authors":"Shipalika,&nbsp;Tania Kalsi,&nbsp;Neha Sharma,&nbsp;Aakshi Chandel,&nbsp;Nupur Saxena,&nbsp;Pragati Kumar","doi":"10.1007/s11664-026-13170-9","DOIUrl":"10.1007/s11664-026-13170-9","url":null,"abstract":"<div><p>This study presents the synthesis, fabrication, and comprehensive characterization of tin disulfide (SnS<sub>2</sub>) and nickel oxide (NiO) nanostructures and their heterostructure thin-film photodetectors. SnS<sub>2</sub> nanostructures were prepared via a hydrothermal route, while NiO nanostructures were synthesized through a coprecipitation method. The samples are characterized by x-ray diffraction (XRD), Fourier transform infrared (FTIR), ultraviolet–visible (UV–Vis) absorption spectroscopy, and photoluminescence (PL) spectroscopy to investigate the structural phase, functional group, band gap, and electronic defect level respectively. The thin films of SnS<sub>2</sub>, NiO, and SnS<sub>2</sub>/NiO exhibited broadband optical absorption and high transmittance in the visible region, confirming their transparent nature. The photodetector devices were fabricated via sequential layer-by-layer deposition of materials through spin coating onto patterned fluorine-doped tin oxide (FTO)-coated glass substrates, followed by thermal evaporation of top Al electrodes. The photodetection performance of the three devices was evaluated under UV–Vis–near-infrared (NIR) illumination ranging from 310 nm to 1064 nm. The heterostructure device (<i>S</i><sub>3</sub>) outperformed both individual devices across all figures of merit. At 5 V bias and 380 nm illumination, <i>S</i><sub>3</sub> achieved a maximum sensitivity, detectivity, responsivity, and external quantum efficiency of ~1.8 × 10<sup>5</sup>%, 4.3 × 10<sup>13</sup> Jones, 81 AW<sup>−1</sup>, and 2.6 × 10<sup>4</sup>% respectively, with fastest average response time of 114 ms. These results demonstrate that the SnS<sub>2</sub>/NiO heterostructure is a highly promising candidate for transparent, broadband photodetection applications spanning the UV–Vis–NIR spectral range.</p></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9460 - 9474"},"PeriodicalIF":2.8,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring Half-Metallic Ferromagnetism in Transition Metal-Doped Calcium Oxide for Spintronic Applications via mBJ-GGA Approach 利用mBJ-GGA方法探索过渡金属掺杂氧化钙在自旋电子中的半金属铁磁性
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-24 DOI: 10.1007/s11664-026-13190-5
Poonam Mehra, Hardev S. Saini, Rashmi Mittal, Manish K. Kashyap
{"title":"Exploring Half-Metallic Ferromagnetism in Transition Metal-Doped Calcium Oxide for Spintronic Applications via mBJ-GGA Approach","authors":"Poonam Mehra,&nbsp;Hardev S. Saini,&nbsp;Rashmi Mittal,&nbsp;Manish K. Kashyap","doi":"10.1007/s11664-026-13190-5","DOIUrl":"10.1007/s11664-026-13190-5","url":null,"abstract":"<div><p>This study examines the structural, electronic, and magnetic characteristics of Ca<sub>1−<i>x</i></sub>TM<sub><i>x</i></sub>O (TM = Ti, V) at concentrations <i>x</i> = 0.12 and 0.25 using the Full-Potential Linearized Augmented Plane Wave (FP-LAPW) approach within the framework of density functional theory (DFT). The obtained compounds were observed to display half-metallic behavior with complete (100%) spin polarization at the Fermi level (<i>E</i><sub>F</sub>). The calculated total magnetic moments for Ca<sub>1−<i>x</i></sub>Ti<sub><i>x</i></sub>O and Ca<sub>1−<i>x</i></sub>V<sub><i>x</i></sub>O at <i>x</i> = 0.12 and 0.25 are approximately 2 <i>μ</i><sub><i>B</i></sub> and 3 <i>μ</i><sub><i>B</i></sub>, respectively. These integer magnetic moments confirm the presence of half-metallic ferromagnetism (HMF) in the studied compounds. The HMF mainly arises from the <i>p</i>–<i>d</i> hybridization between the O-<i>p</i> orbitals and the TM-<i>d</i> orbitals. The predicted HM gap suggests that these compounds are true half-metallic ferromagnets and can be effective materials for spintronic applications.</p></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9448 - 9459"},"PeriodicalIF":2.8,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Printed Anodized Aluminum-Enabled PET Laminates for High-Performance Electronic Packaging Applications 用于高性能电子封装应用的印刷阳极化铝PET层压板
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-24 DOI: 10.1007/s11664-026-13145-w
Atul Kumar Verma, Balasubramanian Kandasubramanian, Kshitija Sanjay Vaidya
{"title":"Printed Anodized Aluminum-Enabled PET Laminates for High-Performance Electronic Packaging Applications","authors":"Atul Kumar Verma,&nbsp;Balasubramanian Kandasubramanian,&nbsp;Kshitija Sanjay Vaidya","doi":"10.1007/s11664-026-13145-w","DOIUrl":"10.1007/s11664-026-13145-w","url":null,"abstract":"<div><p>The development of scalable moisture-barrier films is important for protecting moisture-sensitive electronic components and polymer-based packaging systems. In this study, polyethylene terephthalate (PET) films were coated with an aluminum-containing layer using gravure printing to improve surface wettability, dielectric response, and moisture-barrier performance through a low-temperature, printable route. The coated films were characterized using Fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM), water contact-angle analysis, scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDX), x-ray diffraction (XRD), water vapor transmission rate (WVTR), and dielectric measurements. FTIR analysis confirmed that the gravure-printing and drying process did not cause detectable degradation of the PET backbone. AFM showed a slight increase in root mean square (RMS) roughness from 1.709 ± 0.052 nm to 1.985 ± 0.061 nm, while water contact angle increased from 96.3 ± 1.1° to 98.5 ± 0.9°, indicating slightly enhanced surface hydrophobicity. SEM and EDX confirmed the formation of a continuous aluminum-containing coating with uniform elemental distribution, while XRD showed additional Al-related crystalline reflections. WVTR decreased from 199.0 ± 3.4 g m<sup>−2</sup> day<sup>−1</sup> for pristine PET to 89.4 ± 1.9 g m<sup>−2</sup> day<sup>−1</sup> for coated PET, corresponding to a 55.1% reduction. Dielectric analysis confirmed increased interfacial polarization while retaining low-loss insulating behavior. These results demonstrate a positive, scalable, moderate-barrier enhancement for PET-based flexible packaging and secondary electronic-protection applications.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9319 - 9333"},"PeriodicalIF":2.8,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lanthanum-Modified NASICON-Type Li1.3Al0.3Ti1.7(PO4)3 Solid-State Electrolyte: Synthesis and Electrochemical Performance 镧修饰nasicon型Li1.3Al0.3Ti1.7(PO4)3固态电解质的合成及电化学性能
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-24 DOI: 10.1007/s11664-026-13208-y
Zhongran Yao, Fen Qi, Qiang Sun, Lin Ye, Xiaowei Yang, Ying Cui, Guojie Chao
{"title":"Lanthanum-Modified NASICON-Type Li1.3Al0.3Ti1.7(PO4)3 Solid-State Electrolyte: Synthesis and Electrochemical Performance","authors":"Zhongran Yao,&nbsp;Fen Qi,&nbsp;Qiang Sun,&nbsp;Lin Ye,&nbsp;Xiaowei Yang,&nbsp;Ying Cui,&nbsp;Guojie Chao","doi":"10.1007/s11664-026-13208-y","DOIUrl":"10.1007/s11664-026-13208-y","url":null,"abstract":"<div><p>NASICON-type Li<sub>1.3</sub>Al<sub>0.3</sub>Ti1<sub>.7</sub>(PO<sub>4</sub>)<sub>3</sub> (LATP) suffers limited grain-boundary conductivity and unstable Li-metal interface, restricting its application in solid lithium metal batteries. Here, a series of La-modified LATP electrolytes were synthesized via solid-state sintering. XRD combined with Rietveld refinement confirms that moderate La<sup>3+</sup> (<i>x</i> = 0.04) substitutes lattice Al<sup>3+</sup> to expand Li<sup>+</sup> transport tunnels and improve ceramic densification up to 95.3%. Excessive La doping (<i>x</i> &gt; 0.04) exceeds the solid-solution limit and precipitates insulating LaPO<sub>4</sub> exclusively at grain boundaries, as directly visualized by cross-sectional SEM-EDS mapping. EIS results reveal that LATP-0.04La delivers optimal bulk conductivity of 1.01 × 10<sup>−3</sup> S cm<sup>−1</sup> and total conductivity of 2.39 × 10<sup>−4</sup> S cm<sup>−1</sup>, with a low Li<sup>+</sup> migration activation energy of 0.31 eV. Symmetric Li stripping/plating cells realize stable long-term cycling with low polarization. Paired with a cathode, the full cell achieves an initial discharge capacity of 138 mAh g<sup>−1</sup> and ~ 99% average Coulombic efficiency over 100 cycles. Post-cycling SEM proves La modification effectively inhibits mossy Li growth and stabilizes the Li-metal anode interface. This work provides a facile doping strategy to boost the comprehensive performance of NASICON solid electrolytes.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9834 - 9844"},"PeriodicalIF":2.8,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Characterization of Sn-MOF@WS2(CNT) Hybrid Material for Next-Generation High-Performance Supercapattery Devices 下一代高性能超级电池器件用Sn-MOF@WS2(CNT)混合材料的设计与表征
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-24 DOI: 10.1007/s11664-026-13124-1
Muhammad Abrar, Muhammad Ashraf, Manoj Kumar, Lamia Abu El Maati, Mirjalol Ismoilov, Muhammad Arslan Sunny, Abhinav Kumar, Ankit Dilipkumar Oza, Sahar G. Tawfik, Mohammed T. Alotaibi, Muhammad Farhan Manzoor, Tasawar Ali
{"title":"Design and Characterization of Sn-MOF@WS2(CNT) Hybrid Material for Next-Generation High-Performance Supercapattery Devices","authors":"Muhammad Abrar,&nbsp;Muhammad Ashraf,&nbsp;Manoj Kumar,&nbsp;Lamia Abu El Maati,&nbsp;Mirjalol Ismoilov,&nbsp;Muhammad Arslan Sunny,&nbsp;Abhinav Kumar,&nbsp;Ankit Dilipkumar Oza,&nbsp;Sahar G. Tawfik,&nbsp;Mohammed T. Alotaibi,&nbsp;Muhammad Farhan Manzoor,&nbsp;Tasawar Ali","doi":"10.1007/s11664-026-13124-1","DOIUrl":"10.1007/s11664-026-13124-1","url":null,"abstract":"<div><p>A Sn-metal–organic framework (MOF)/WS<sub>2</sub> heterostructure integrated with carbon nanotubes (CNTs) was developed as a multifunctional electrode for asymmetric supercapattery and hydrogen evolution reaction applications. In this hybrid architecture, the Sn-MOF provides abundant Sn-based redox-active centers, and WS<sub>2</sub> contributes additional surface/near-surface faradaic sites and layered ion-transport pathways. CNTs form a continuous conductive network that improves electron transfer and electrolyte accessibility. In the three-electrode configuration, the Sn-MOF@WS<sub>2</sub>(CNT) electrode delivered specific capacity of 1862 C g<sup>−1</sup> at 10 mV s<sup>−1</sup> and 2434 C g<sup>−1</sup> at 2 A g<sup>−1</sup>, outperforming the individual Sn-MOF(CNT) and WS<sub>2</sub>(CNT) electrodes. The assembled Sn-MOF@WS<sub>2</sub>(CNT)//AC device achieved energy density of 71.2 Wh kg<sup>−1</sup> at power density of 1450 W kg<sup>−1</sup> and retained 85.72% of its initial capacity with coulombic efficiency of 95.12% after 12,000 cycles. For the hydrogen evolution reaction (HER), Sn-MOF@WS<sub>2</sub>(CNT) exhibited an overpotential of 100.54 mV at 10 mA cm<sup>−2</sup> and a Tafel slope of 62.9 mV dec<sup>−1</sup>. These results demonstrate that the complementary roles of Sn-MOF, WS<sub>2</sub>, and CNTs effectively enhance redox activity, ion diffusion, electrical conductivity, electrochemical durability, and multifunctional energy-storage and electrocatalytic performance.</p></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9812 - 9833"},"PeriodicalIF":2.8,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Electrochemical Performance of CeO2/CuO Hybrid Nanostructures for Energy Storage Devices: A Comparative Study with rGO/CuO and CuO 用于储能器件的CeO2/CuO杂化纳米结构电化学性能的增强:与还原氧化石墨烯/CuO和CuO的比较研究
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-23 DOI: 10.1007/s11664-026-13199-w
Zartasha Sarwar, Aqsa Akram, Muhammad Umair, Aqeel Ahmed Shah, Naveed Akhtar Shad, Abdullah Algethami, Muhammad Khawar Abbas, Hafiz T. Ali, Yasir Javed, Sumara Ashraf
{"title":"Enhanced Electrochemical Performance of CeO2/CuO Hybrid Nanostructures for Energy Storage Devices: A Comparative Study with rGO/CuO and CuO","authors":"Zartasha Sarwar,&nbsp;Aqsa Akram,&nbsp;Muhammad Umair,&nbsp;Aqeel Ahmed Shah,&nbsp;Naveed Akhtar Shad,&nbsp;Abdullah Algethami,&nbsp;Muhammad Khawar Abbas,&nbsp;Hafiz T. Ali,&nbsp;Yasir Javed,&nbsp;Sumara Ashraf","doi":"10.1007/s11664-026-13199-w","DOIUrl":"10.1007/s11664-026-13199-w","url":null,"abstract":"<div><p>Rapid advancements in transportation, optoelectronics, and portable electronic devices are accelerating the transition toward sustainable energy solutions. Hybrid supercapacitors are increasingly recognized as efficient energy storage systems, attracting considerable interest because of their adaptable configurations and enhanced electrochemical performance. Nevertheless, advancing electrode materials with improved electrochemical performance is essential for enhancing specific capacity, long-term cycling durability, and energy density. In this work, CuO, reduced graphene oxide (rGO)/CuO, and CeO<sub>2</sub>/CuO nanocomposites were synthesized using a hydrothermal approach. The prepared nanomaterials were systematically characterized to evaluate their structural, functional, optical, and morphological features using x-ray diffraction (XRD), Raman, Fourier-transform infrared (FTIR), photoluminescence (PL), and ultraviolet–visible spectroscopy, and scanning electron microscopy (SEM). Electrochemical analysis revealed that the CeO<sub>2</sub>/CuO-based electrode exhibited superior electrochemical storage performance, achieving specific capacitance of 599 F g<sup>−1</sup> when tested at 5 mV s<sup>−1</sup>, significantly outperforming rGO/CuO (176 F g<sup>−1</sup>) and CuO (164 F g<sup>−1</sup>). To better elucidate the hybrid charge-storage mechanism of the CeO<sub>2</sub>/CuO electrode, a detailed kinetic study (Dunn’s model) was conducted to decouple surface capacitive effects from bulk diffusion contributions.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9800 - 9811"},"PeriodicalIF":2.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Composition-Driven Structural Evolution and Magnetic Behavior of Nanocrystalline Sn-Based Alloys Synthesized by Mechanical Milling 机械铣削合成纳米晶锡基合金的成分驱动结构演化和磁性行为
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-23 DOI: 10.1007/s11664-026-13198-x
Abderahim Abada, Abderrahmane Younes, Rachid Amraoui, Hichem Amar, Amar Manseri, Hacene Hachache
{"title":"Composition-Driven Structural Evolution and Magnetic Behavior of Nanocrystalline Sn-Based Alloys Synthesized by Mechanical Milling","authors":"Abderahim Abada,&nbsp;Abderrahmane Younes,&nbsp;Rachid Amraoui,&nbsp;Hichem Amar,&nbsp;Amar Manseri,&nbsp;Hacene Hachache","doi":"10.1007/s11664-026-13198-x","DOIUrl":"10.1007/s11664-026-13198-x","url":null,"abstract":"<div><p>Nanocrystalline Sn-Cu, Sn-Fe, Sn-Ni, and quaternary Sn-Cu-Fe-Ni alloys were synthesized by high-energy mechanical milling to investigate the influence of alloy composition on their structural evolution, microstructure, and magnetic behavior. x-Ray diffraction (XRD) combined with Rietveld refinement, whereas morphology and elemental distribution were characterized using scanning electron microscopy coupled with energy-dispersive spectroscopy (SEM/EDS), examined phase formation and crystallographic characteristics. Magnetic properties were evaluated by vibrating sample magnetometry (VSM). The XRD results revealed crystallite refinement, lattice distortion, and the formation of nanostructured phases, while Rietveld refinement confirmed composition-dependent variations in crystallite size and microstrain. SEM observations showed irregular agglomerated particles resulting from repeated cold welding and fracture during mechanical milling, together with a homogeneous elemental distribution in the quaternary alloy. Magnetic measurements demonstrated that the magnetic response strongly depends on alloy composition. Among the investigated materials, the Sn-Fe alloy exhibited the highest saturation magnetization, whereas the Sn-Cu alloy displayed weak magnetic behavior owing to the nonmagnetic nature of Cu. The quaternary Sn-Cu-Fe-Ni alloy showed intermediate magnetic properties arising from the combined effects of Fe-Ni interactions, crystallite refinement, and defect-induced magnetic anisotropy. These findings demonstrate that high-energy mechanical milling provides an effective route for tailoring the structural and magnetic properties of Sn-based nanocrystalline alloys, offering promising prospects for future soft magnetic and functional electromagnetic materials.</p></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9881 - 9890"},"PeriodicalIF":2.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photocurrent Amplification Mechanisms in Bifacial Si/Si Tandem Solar Cells Based on Hetero-Structural Mechanical Stacking Integration with Albedo Illumination for Enhanced Photovoltaic Power Output 基于异质结构机械堆叠集成和反照率照明的双面硅/硅串联太阳能电池光电流放大机制
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-23 DOI: 10.1007/s11664-026-13152-x
Hasnain Yousuf,  Alamgeer, Rafi ur Rahman, Chu Mengmeng, Maha Nur Aida, Shurouq Abdulqadir Mohammed, Xiaobo Wang, Hyejeong Jin, Muhammad Quddamah Khokhar, Junsin Yi
{"title":"Photocurrent Amplification Mechanisms in Bifacial Si/Si Tandem Solar Cells Based on Hetero-Structural Mechanical Stacking Integration with Albedo Illumination for Enhanced Photovoltaic Power Output","authors":"Hasnain Yousuf,&nbsp; Alamgeer,&nbsp;Rafi ur Rahman,&nbsp;Chu Mengmeng,&nbsp;Maha Nur Aida,&nbsp;Shurouq Abdulqadir Mohammed,&nbsp;Xiaobo Wang,&nbsp;Hyejeong Jin,&nbsp;Muhammad Quddamah Khokhar,&nbsp;Junsin Yi","doi":"10.1007/s11664-026-13152-x","DOIUrl":"10.1007/s11664-026-13152-x","url":null,"abstract":"<div><p>This study investigates the electrical behavior and carrier-transport mechanisms of bifacial Si/Si tandem solar cells based on the hetero-structural mechanical stacking of silicon heterojunction (HJT) and <i>n</i>-type tunnel oxide passivated contact (<i>n</i>-TOPCon) subcells operated in a four-terminal parallel configuration. The architecture enables current additivity at a common terminal voltage while eliminating the series current-matching constraints characteristic of monolithic tandem structures. The devices were evaluated under 1.0-sun front illumination combined with rear-side albedo contributions ranging from 0 to 0.6 suns, corresponding to total effective irradiance levels of 1.0–1.6 suns. Under 1.0-sun front illumination combined with 0.4-sun rear-side albedo illumination, the HJT-on-top/<i>n</i>-TOPCon-on-bottom and <i>n</i>-TOPCon-on-top/HJT-on-bottom configurations exhibited absolute efficiency improvements of 4.00 and 4.05 percentage points, respectively, relative to their 1.0-sun baseline efficiency. The short-circuit current density increased by approximately 45–50%, while the maximum power density increased from 19.67 mW·cm<sup>−2</sup> to as high as 29.92 mW·cm<sup>−2</sup>. Here, photocurrent enhancement refers to the increase in externally measured current resulting from additional rear-side photogeneration and current additivity in the parallel architecture, rather than from any internal carrier-multiplication or gain mechanism. The open-circuit voltage increased only logarithmically with illumination intensity, whereas the fill factor remained relatively stable at approximately 70–72%, indicating stable carrier transport and limited resistive losses. Double-diode analysis of the dark current density–voltage (J–V) characteristics yielded low fitted saturation current density and high shunt resistance for both stacking configurations, together with configuration-dependent effective series resistance, indicating favorable junction quality, limited leakage, and effective passivation within the mechanically stacked structures. These results demonstrate that albedo-assisted bifacial operation combined with parallel Si/Si tandem integration provides a scalable and fully silicon-compatible pathway for photovoltaic power enhancement without series current-matching limitations.</p></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9772 - 9787"},"PeriodicalIF":2.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In situ (Ti, Zr)O2 Solid Solution Enables Electrochemical Stability of Li0.33La0.457Ag0.10Ti1−xZrxO3 Electrolytes 原位(Ti, Zr)O2固溶体使Li0.33La0.457Ag0.10Ti1−xZrxO3电解质具有电化学稳定性
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-23 DOI: 10.1007/s11664-026-13168-3
Yuya Gao, Shijin Yang, Linxiang Wang, Fang Song, Zongmo Shi
{"title":"In situ (Ti, Zr)O2 Solid Solution Enables Electrochemical Stability of Li0.33La0.457Ag0.10Ti1−xZrxO3 Electrolytes","authors":"Yuya Gao,&nbsp;Shijin Yang,&nbsp;Linxiang Wang,&nbsp;Fang Song,&nbsp;Zongmo Shi","doi":"10.1007/s11664-026-13168-3","DOIUrl":"10.1007/s11664-026-13168-3","url":null,"abstract":"<p>Solid electrolytes have received considerable attention for all-solid-state batteries, which are considered to be the new territory of electrochemical energy storage. However, the interfacial contact and the dendrite problem are still challenging due to the low diffusion energy barrier in Li<sub>0.33</sub>La<sub>0.557</sub>TiO<sub>3</sub> ceramics. The ionic conductivity and cycling behaviors of the Li<sub>0.33</sub>La<sub>0.457</sub>Ag<sub>0.10</sub>Ti<sub>1−<i>x</i></sub>Zr<sub><i>x</i></sub>O<sub>3</sub> electrolytes were systematically investigated. The densities and grain sizes of samples were improved by the optimal Ti/Zr molar ratio. Interestingly, partial substitution of Ti<sup>4+</sup> (0.605 Å) by Zr<sup>4+</sup> (0.720 Å) led to the in situ segregation of a (Ti, Zr)O<sub>2</sub> solid solution at the grain boundaries, which may induce local structural distortion and lattice expansion. As a result, the total Li<sup>+</sup> conductivity of 5.13 × 10<sup>−5</sup> S/cm was obtained. The excellent electrochemical performance with the voltage remaining stable presented after 1200 cycles, and the electrochemical window was enhanced from 2.65 V to 4.05 V. This new strategy of perovskite electrolytes provides a feasible route for improving the electrochemical stability of perovskite-type solid electrolytes for solid-state energy storage systems.</p>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9788 - 9799"},"PeriodicalIF":2.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multicomponent BNT-Based Ceramics for Dielectric Energy Storage: A Review of Domain Engineering, Lattice-Distortion Regulation, and Processing Strategies 基于bnt的多组分介质储能陶瓷:领域工程、晶格畸变调节和加工策略综述
IF 2.8 4区 工程技术
Journal of Electronic Materials Pub Date : 2026-09-22 DOI: 10.1007/s11664-026-13181-6
Jiali Tang, Wei Cai, Yu Huang, Yongqin Cao, Rongli Gao, Xiaoling Deng, Chunlin Fu, Gang Chen
{"title":"Multicomponent BNT-Based Ceramics for Dielectric Energy Storage: A Review of Domain Engineering, Lattice-Distortion Regulation, and Processing Strategies","authors":"Jiali Tang,&nbsp;Wei Cai,&nbsp;Yu Huang,&nbsp;Yongqin Cao,&nbsp;Rongli Gao,&nbsp;Xiaoling Deng,&nbsp;Chunlin Fu,&nbsp;Gang Chen","doi":"10.1007/s11664-026-13181-6","DOIUrl":"10.1007/s11664-026-13181-6","url":null,"abstract":"<div><p>Bismuth sodium titanate (Bi<sub>0.5</sub>Na<sub>0.5</sub>TiO<sub>3</sub>, BNT) is a promising lead-free candidate for pulsed-power dielectric capacitors owing to its maximum polarization. However, its recoverable energy density and efficiency remain constrained by substantial polarization hysteresis, limited electric breakdown strength, and processing-induced defects. This review systematically evaluates multication BNT compositions within the comprehensive framework of multicomponent ceramics. Herein, ideal configurational entropy is treated as a compositional descriptor and an upper-bound estimate, rather than as definitive proof of entropy stabilization or an isolated performance-governing mechanism. The reported energy-storage enhancements are rationalized via experimentally accessible manifestations of compositional complexity: chemical short-range order, local electric and strain fields, lattice distortion, phase and domain heterogeneity, grain refinement, defect chemistry, and electrical homogeneity. Particular attention is devoted to domain engineering, lattice-distortion regulation, and advanced processing routes that synergistically optimize reversible polarization and breakdown strength. Furthermore, this review outlines key criteria required to distinguish genuine entropy-driven contributions from general multicomponent effects and proposes function-oriented, nonequimolar design strategies for future high-performance BNT-based dielectrics.</p></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"55 11","pages":"9286 - 9310"},"PeriodicalIF":2.8,"publicationDate":"2026-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149176669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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