Journal of Materials Science最新文献

{"title":"Photoelectric characteristic of single-phase InxGa1-xN films with tunable bandgap through RF magnetron sputtering","authors":"Ziyuan Li,&nbsp;Longhai Shen,&nbsp;Ouxiang Zhou,&nbsp;Xiaotian Zhu,&nbsp;Yu Zhang,&nbsp;Quhui Wang,&nbsp;Dongli Qi,&nbsp;Xinglai Zhang,&nbsp;Mengyao Han,&nbsp;Junhao Xu,&nbsp;Ye Chen,&nbsp;Yuhao Li","doi":"10.1007/s10853-024-10434-9","DOIUrl":"10.1007/s10853-024-10434-9","url":null,"abstract":"<div><p>In_<i>x</i>Ga_1-<i>x</i>N films with tunable bandgap hold significant potential for photoelectric applications, particularly in wavelength-selective and UV–visible photodetection. Herein, a unique target was designed to prepare bandgap-tunable In_<i>x</i>Ga_1-<i>x</i>N films by RF (radio frequency) magnetron sputtering. By adjusting the RF power to change the In content (<i>x</i> value), we prepared In_<i>x</i>Ga_1-<i>x</i>N films with bandgap variations in the range of 2.15–2.63 eV. Upon further investigation, it was found that the grown In_<i>x</i>Ga_1-<i>x</i>N films had hexagonal structure and did not undergo phase separation in the In-rich composition. With the increase of In content from 0.46 to 0.60, the preferred orientation of the In_<i>x</i>Ga_1-<i>x</i>N films changed from (101) to (100) plane, while the surface morphology of the In_<i>x</i>Ga_1-<i>x</i>N films changed from worm-like to spherical grains. Photoluminescence peaks of In_<i>x</i>Ga_1-<i>x</i>N films was composed of intrinsic and defect luminescence. Under irradiation of 450 and 650 nm laser, the responsivity of the In_<i>x</i>Ga_1-<i>x</i>N metal–semiconductor-metal photodetector can reach 5.15 × 10⁻⁷ and 3.2 × 10⁻⁷ A/W, and the fastest response time can reach 1.28 and 1.32 s, respectively.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21828 - 21845"},"PeriodicalIF":3.5,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unveiling dynamic insights of nitrogen-doped carbon quantum dots in α-Fe2O3/PANI nanocomposite for supercapattery application","authors":"S. Abinaya,&nbsp;A. Saranraj,&nbsp;Sujin P. Jose,&nbsp;Jayesh Cherusseri,&nbsp;Amanullah Fatehmulla","doi":"10.1007/s10853-024-10452-7","DOIUrl":"10.1007/s10853-024-10452-7","url":null,"abstract":"<div><p>We have developed a novel ternary nanocomposite comprising of nitrogen-doped carbon quantum dots@α-Fe₂O₃/PANI (N-CQDs@α-Fe₂O₃/PANI nanocomposite) and use it as an active electrode material for supercapatteries. Doped carbon nanostructures-based nanocomposites are excellent candidates for electrochemical energy storage due to their tunability in the surface chemistry and availability of large electrochemical surface area. Initially, N-CQDs@α-Fe₂O₃ nanocomposite was synthesized and further insitu polymerization of aniline leads to the formation of N-CQDs@α-Fe₂O₃/PANI nanocomposite. The N-CQDs@α-Fe₂O₃ serves as a substrate to accommodate PANI to enhance the electrochemical activity. The specific capacity of the ternary nanocomposite electrode is 149 C g⁻¹ (with a corresponding specific capacitance of 372.5 F g⁻¹) at a current density of 1 A g⁻¹ in a 2 M KOH (aqueous) electrolyte with a coulombic efficiency of 99% after 3000 cycles. Hence, it is proposed that the N-CQDs@α-Fe₂O₃/PANI nanocomposite has been suitable for the ideal electrode material which has potential application in hybrid energy storage devices.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21846 - 21867"},"PeriodicalIF":3.5,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polymer photosupercapacitors: combined nanoarchitectonics with polymer solar cell and supercapacitor for emerging powerpacks in next-generation energy applications","authors":"Sandhra Jacob,&nbsp;Jelby George,&nbsp;Manoj Balachandran","doi":"10.1007/s10853-024-10477-y","DOIUrl":"10.1007/s10853-024-10477-y","url":null,"abstract":"<div><p>Efficient energy harvesting and storage are inevitable for the sustenance and growth of mankind, wherein the utilization of advanced technologies in this field has brought a significant impact on the energy sector. Integration of energy harvesting and storage devices is a need for powering next-generation energy needs like the Internet of Things (IoT), opening a wide range of application areas like wearable devices or integration with fabrics. Among third-generation solar cells, organic or polymer solar cells are extremely environment-friendly, lightweight, and flexible, making themselves potential candidates for integrated powerpacks along with supercapacitors. This article is a comprehensive review of polymer solar cell-based photosupercapacitors and their developments over the recent years. Through this review, we intend to give a valid account of polymer photosupercapacitors, to the scientific community regarding recent updates, which would help develop future approaches and strategies. As these integrated devices are considered to have a profound impact on energy industries and related applications, we believe that a detailed review of the present status and future prospects would aid further developments in the research field.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21649 - 21683"},"PeriodicalIF":3.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Photoelectrochemical properties of TiO2 nanofibers coated by copper oxide nanoparticles using sputtering and chemical bath deposition","authors":"N. Sobti,&nbsp;S. Chaguetmi,&nbsp;S. Achour,&nbsp;S. Gam-Derouich,&nbsp;P. Decorse,&nbsp;S. Nowak,&nbsp;S. Ammar","doi":"10.1007/s10853-024-10468-z","DOIUrl":"10.1007/s10853-024-10468-z","url":null,"abstract":"<div><p>TiO₂ nanofibers (NFs), grown on Ti sheets by hydrothermal treatment, were coated with Cu₂O nanoparticles (NPs) using sputtering or chemical bath deposition (CBD) in order to improve their photoelectrochemical (PEC) water splitting capabilities as photoanodes. Scanning electron microscopy (SEM) and X-ray photoelectron (XPS) spectroscopy confirmed the production of the desired Cu₂O-TiO₂/Ti hetero-nanostructures, while PEC measurements evidenced a net improvement of the produced photocurrent under standard xenon lamp illumination, compared to the pristine TiO₂/Ti structure. Moreover, it appears that the sputtered composite photoanodes provide a higher photocurrent compared to the CBD made ones, meaning that their oxide/oxide interfaces are of better crystalline quality, supplying a larger number of electrons to the Pt cell cathode for H⁺ reduction to H₂, through the external PEC cell circuit.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21801 - 21816"},"PeriodicalIF":3.5,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Carbonized spider silk/V2CTx heterostructured electrocatalysts for efficient hydrogen evolution reaction","authors":"Chaohai Sun,&nbsp;Yang Yang,&nbsp;Lu Zhao,&nbsp;Hao Zhan,&nbsp;Si Cheng","doi":"10.1007/s10853-024-10475-0","DOIUrl":"10.1007/s10853-024-10475-0","url":null,"abstract":"<div><p>The efficiency of the electrocatalytic hydrogen evolution reaction (HER) is significantly advanced by developing proficient electrocatalysts. Herein, the novel carbonized spider silk nanofiber (SAC)/V₂CT_<i>x</i> heterostructured electrocatalysts (SAC/V₂CT_<i>x</i>) are presented, which demonstrate robust stability and superior catalytic performance. The problem of nitrogen and sulfur loss due to high-temperature self-doping is resolved by the careful modulation of the KCl activation condition, which allows the thermal carbonization of spider silk at a lower temperature than in previous reports. This results in a porous structure, a high graphitization, and an adequate nitrogen/sulfur content. The deliberate intercalation of SAC with V₂CT_<i>x</i> creates a heterostructure that improves charge transfer, suppresses MXene’s tendency to stack, and significantly increases the stability and activity of the catalyst. The heteroatom doping, in synergy with the SAC/V₂CT_<i>x</i> heterostructure, results in a low charge transfer resistance of 31.2 Ω for SAC_1.2/V₂CT_<i>x</i> under acidic conditions. It exhibits an overpotential of 164.3 mV at a current density of 10 mA cm⁻² and a Tafel slope of 91.4 mV dec⁻¹. The catalyst maintains over 90% of its initial activity after 50 h of operation, highlighting its durability and suitability for sustainable HER processes.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21895 - 21908"},"PeriodicalIF":3.5,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation of dual-emission peak lignin-derived carbon dots and their application in WLEDs","authors":"Hao Hu,&nbsp;Zhao Xia,&nbsp;Xiang Mao,&nbsp;Yongrun Dong,&nbsp;Wen Li,&nbsp;Jinkun Xue,&nbsp;Zequan Li,&nbsp;Wei Gao","doi":"10.1007/s10853-024-10469-y","DOIUrl":"10.1007/s10853-024-10469-y","url":null,"abstract":"<div><p>White light-emitting diodes (WLEDs), as strong contenders for future solid-state light sources, hold significant promise in solid-state lighting due to their high efficiency, low power consumption, self-emission, and versatility. Carbon dots (CDs), a novel type of carbon nanomaterials, exhibit excellent luminescence properties. However, their intricate structure and unclear fluorescence mechanism hinder long-wavelength modulation, and solid-state aggregation leads to luminescence quenching, limiting their application in optoelectronic devices. This study focuses on the preparation of CDs with dual yellow–green emission peaks via a hydrothermal method using sodium lignosulfonate as a carbon source. The mechanism behind the dual emission is elucidated by analyzing the morphology and chemical composition of the CDs. Specifically, the green light originates from surface-related states due to N doping, while the yellow light results from the carbon-core state at higher hydrothermal temperatures. By incorporating these CDs into transparent wood, a material capable of emitting white light under blue light excitation is achieved. This transparent wood was successfully applied in the fabrication of WLEDs, providing valuable insights into CDs modulation and their utilization for white light solid-state lighting applications.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21882 - 21894"},"PeriodicalIF":3.5,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient cerium oxide catalysts for the direct synthesis of dimethyl carbonate from carbon dioxide: characterization, catalytic activity, and thermodynamic studies","authors":"Jingjing Peng,&nbsp;Xiaoling Xu,&nbsp;Yiying Zhang,&nbsp;Yu Chen,&nbsp;Yansheng Liu","doi":"10.1007/s10853-024-10427-8","DOIUrl":"10.1007/s10853-024-10427-8","url":null,"abstract":"<div><p>Using oxygen vacancies to modify the surface properties of catalysts to enhance catalytic activity, inhibiting reverse reactions can effectively increase synthetic yield. This study presents an M-CeO₂ catalyst derived from MOF-808(Ce), which was successfully applied to the synthesis of dimethyl carbonate (DMC) under dehydration agent-free conditions. Particularly, it has been found that M-CeO₂ catalyst enables the formation of defective microporous structure in ceria catalysts, enriching the surfaces with oxygen vacancy sites, and slowing down the reverse reaction. This leads to the yield of DMC reaching 4.184 mmol/g, corresponding to a significant improvement in the conversion rate of methanol up to 1.42%. Moreover, the M-CeO₂ catalyst exhibited over 1.6 times higher methanol conversion rate than reflux-synthesized ceria nanorods, which can be attributed to their superior CO₂ adsorption and activation capability, as well as the inhibition of reverse reactions. These conclusions are supported by combined surface characterizations and thermodynamic calculations. We developed a novel method for surface engineering of catalysts whose function was combined with dehydrating agents. A possible reaction mechanism for the synthesis of DMC from CO₂ and CH₃OH on M-CeO₂ was proposed.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21696 - 21709"},"PeriodicalIF":3.5,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecularly imprinted polypyrrole decorated Ti3C2Tx electrochemical sensor for highly selective and sensitive detection of levofloxacin","authors":"Divya Hudda,&nbsp;Devendra Kumar","doi":"10.1007/s10853-024-10403-2","DOIUrl":"10.1007/s10853-024-10403-2","url":null,"abstract":"<div><p>Herein, a rapid and efficient molecular imprinted polymer (MIP) modified Ti₃C₂T_x-based electrochemical sensing platform was developed for levofloxacin detection (LEV). The MIP sensor was designed by depositing the synthesized Ti₃C₂T_x electrophoretically onto the indium tin oxide (ITO) glass surface, followed by electropolymerization of pyrrole as a monomer and LEV as a template molecule. Ti₃C₂T_x significantly enhances the electron transfer rate and offers a larger surface area to increase the number of imprinted sites for precise recognition of LEV. The fabricated sensor (MIP/Ti₃C₂T_x/ITO), under all optimized parameters, demonstrated superior selectivity with a low detection limit (LOD) of 0.76 pM and a linear relationship with LEV concentration ranging (1 pM–100 nM). Additionally, this newly developed sensor exhibited robust stability and sensitivity and successfully detected LEV in actual samples with satisfactory outcomes.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21684 - 21695"},"PeriodicalIF":3.5,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Ta2O5 doping content on the organization and properties of AlCoCrFeNi high-entropy alloy coatings cladding by metal 3D printing","authors":"Hao Zhang,&nbsp;Youqiang Wang,&nbsp;Jizhou Duan","doi":"10.1007/s10853-024-10418-9","DOIUrl":"10.1007/s10853-024-10418-9","url":null,"abstract":"<div><p>High-entropy alloy (HEA) coatings can impart high strength, hardness, and corrosion resistance, enhancing the service life of the alloy. This opens up a new path for HEA in practical applications. This research focuses on HEA composite coatings made up of AlCrCoFeNi/x Ta₂O₅ (x = 2, 6, 10, 20 (wt%)) fabricated through the metal 3D printing technique for cladding. A comprehensive investigation was conducted on the morphology, microstructure, electrochemical corrosion, hardness, and dry wear properties of coatings doped with varying contents of Ta₂O₅ particles. This was achieved through including optical microscopy, laser confocal microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The results demonstrated that the prepared coatings exhibited a relatively flat surface without any discernible defects, such as cracks or porosity. The surface of the coating consists of three distinct regions: flat zones, splash particle zones, and overlapping joint zones. The overall morphology is characterized by a rough texture. The surface quality of the coating is optimized when the Ta₂O₅ content is 10%. The coating predominantly comprises face-centered cubic and body-centered cubic (BCC) phases. With an increase in the doping content of Ta₂O₅ particles, the BCC phase and the coating’s hardness also increase. Furthermore, the passivation film on the surface of the coating is predominantly composed of Al, Cr, Fe, Co, Ni, and Ta oxides, exhibiting exceptional stability. The doped of 10 wt% Ta₂O₅ to the coating resulted in excellent corrosion and wear resistance. The highest <i>E</i>_<i>corr</i> value was − 0.65 V, the lowest <i>I</i>_<i>corr</i> value was 7.63 × 10^–6 A/cm², and the largest <i>R</i>_<i>p</i> value was 4693 Ω/cm². Additionally, the coating exhibited the highest surface hardness of the coating exhibited a hardness of 585.58 HV, a wear rate of 6.519 × 10^–2 mm³ N⁻¹ mm⁻¹, and a minimal wear volume of 19.01 mm³. These characteristics are illustrative of the coating’s performance.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21909 - 21929"},"PeriodicalIF":3.5,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"FeNi/Ni2P nanoparticles encapsulated in nitrogen-doped porous carbon: efficient electrocatalysts for oxygen evolution reaction","authors":"Tianrui Yu,&nbsp;Yuhong Zhang,&nbsp;Jiaqi Zhou,&nbsp;Mingxin Feng,&nbsp;Zewu Zhang,&nbsp;Yuming Zhou","doi":"10.1007/s10853-024-10433-w","DOIUrl":"10.1007/s10853-024-10433-w","url":null,"abstract":"<div><p>Efficient, stable, and cost-effective electrocatalysts for the oxygen evolution reaction (OER) are crucial for advancing large-scale water electrolysis for hydrogen production. In this study, we present a novel electrocatalyst featuring FeNi/Ni₂P nanoparticles encapsulated in nitrogen-doped porous carbon (FeNi/Ni₂P@NC). The catalyst was prepared by pyrolyzing low-cost anion exchange resin (AER) loaded with non-precious metal salts, followed by phosphidation. The FeNi/Ni₂P@NC catalyst benefits from the synergistic effects of the FeNi alloy, Ni₂P phosphide, and N-doped porous carbon, which together enhance the number of active sites available for the OER. The large surface area of the material optimizes both electron transfer and mass diffusion pathways, leading to remarkable OER performance. At a current density of 10 mA cm⁻², FeNi/Ni₂P@NC demonstrates an overpotential of 323 mV and a Tafel slope of 60.3 mV dec⁻¹, significantly outperforming the Tafel slope of 89.3 mV dec⁻¹ observed for the precious metal RuO₂. Furthermore, the carbon shell layer effectively mitigates nanoparticle corrosion, thereby improving the long-term stability of the catalyst. This study presents a novel approach for developing efficient, stable, and cost-effective carbon-based catalysts for water electrolysis.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21710 - 21720"},"PeriodicalIF":3.5,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142789315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}