{"title":"Enhanced performance of n-type Ag2Se thin films via texture engineering","authors":"Xinyang Zhang \u0000 (, ), Danqi He \u0000 (, ), Lisha Chen \u0000 (, ), Tonglu Huang \u0000 (, ), Xianfeng Ye \u0000 (, ), Haotian Li \u0000 (, ), Wanting Zhu \u0000 (, ), Xiaolei Nie \u0000 (, ), Jian Yu \u0000 (, ), Yu Zhang \u0000 (, ), Ping Wei \u0000 (, ), Wenyu Zhao \u0000 (, ), Qingjie Zhang \u0000 (, )","doi":"10.1007/s40843-025-3294-1","DOIUrl":"10.1007/s40843-025-3294-1","url":null,"abstract":"<div><p>Flexible thermoelectric power generation is increasingly recognized as a viable solution for powering wearable electronic devices. However, the performance limitations of n-type flexible thin films have restricted their wider application. Here, we successfully fabricated n-type Ag<sub>2</sub>Se thin films with a high power factor of 2.14 mW m<sup>−1</sup> K<sup>−2</sup> at 300 K through texture engineering. Utilizing a straightforward thermal evaporation technique, we produced (201)-textured n-type Ag<sub>2</sub>Se thin films by employing Se precursor strategies. Both experimental and theoretical analyses reveal that Ag<sub>2</sub>Se thin films with this specific orientation exhibit superior carrier mobility and a high Seebeck coefficient. Moreover, the inherent low thermal conductivity of Ag<sub>2</sub>Se is further reduced by the presence of nanopores and random in-plane orientation, which effectively scatter phonons across various wavelengths. As a result, the Ag<sub>2</sub>Se films achieved an optimal <i>ZT</i> value of 0.73 at 363 K, suggesting substantial potential for further improvements. This research not only demonstrates a strategic method to manipulate the crystallographic orientation of Ag<sub>2</sub>Se thin films but also opens up new possibilities for developing high-performance thermoelectric materials.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1630 - 1637"},"PeriodicalIF":6.8,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fuxia Huang (, ), Yifei Liu (, ), Feng Wang (, ), Ya Liu (, ), Liejin Guo (, )
{"title":"Crystal defects engineering of BiOI elevated photocatalytic CO2 to C2 conversion performance","authors":"Fuxia Huang \u0000 (, ), Yifei Liu \u0000 (, ), Feng Wang \u0000 (, ), Ya Liu \u0000 (, ), Liejin Guo \u0000 (, )","doi":"10.1007/s40843-024-3290-9","DOIUrl":"10.1007/s40843-024-3290-9","url":null,"abstract":"<div><p>BiOI materials show significant potential for photocatalytic CO<sub>2</sub> reduction, but their limited CO<sub>2</sub> activation and poor charge carrier properties hinder conversion efficiency. In this study, we engineered BiOI-based photocatalysts with abundant crystal defects to enhance performance. X-ray diffraction (XRD), Raman spectroscopy, and high-resolution transmission electron microscopy (HRTEM) revealed lattice distortions and twin crystals in BiOI-LD and BiOI-TC. Ultraviolet-visible spectroscopy, micropore and chemisorption analyses, and photoluminescence spectroscopy demonstrated that crystal defects improved light absorption, CO<sub>2</sub> adsorption, charge transfer efficiency, and carrier lifetime. Electron paramagnetic resonance (EPR) spectroscopy showed increased superoxide radical generation in BiOI-TC, suggesting higher reactivity. Consequently, BiOI achieved a CH<sub>3</sub>CH<sub>2</sub>OH generation rate of 6.2 µmol g<sup>−1</sup> h<sup>−1</sup> with 100% selectivity. Key intermediates (*CO, *COCO, *CHO, *CH<sub>2</sub>) for CH<sub>3</sub>CH<sub>2</sub>OH production were identified, and C<sub>2</sub>H<sub>6</sub> formation in BiOI-LD was linked to the generation of *CH<sub>3</sub>.</p></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1561 - 1569"},"PeriodicalIF":6.8,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zewei Huang (, ), Liying Deng (, ), Wangyang Li (, ), Jie Zhang (, ), Shuyu Liao (, ), Hong Zhang (, ), Xinghui Wang (, )
{"title":"Towards high performance inorganic all-solid-state lithium-sulfur batteries: strategies for enhancing reaction kinetics and solid-solid contact","authors":"Zewei Huang \u0000 (, ), Liying Deng \u0000 (, ), Wangyang Li \u0000 (, ), Jie Zhang \u0000 (, ), Shuyu Liao \u0000 (, ), Hong Zhang \u0000 (, ), Xinghui Wang \u0000 (, )","doi":"10.1007/s40843-024-3276-3","DOIUrl":"10.1007/s40843-024-3276-3","url":null,"abstract":"<div><p>Inorganic solid electrolyte-based all-solid-state lithium-sulfur batteries (ASSLSBs) have garnered significant attention due to their inherent safety and higher energy density, making them a promising candidate for the upcoming lithium batteries. However, employing sulfur as the active material in all-solid-state composite cathodes introduces two critical challenges: sluggish electrochemical reaction kinetics and insufficient solid-solid contact between the sulfur, conductive additive, and solid electrolyte phases. These issues directly impact battery performance and hinder the commercialization of ASSLSBs. In this comprehensive review, the underlying causes of these issues are first discussed to gain a fundamental understanding of potential improvement directions. Subsequently, we summarize the recent progress in enhancing sulfur reaction kinetics and optimizing solid-solid contact. The fundamental principles, fabrication techniques, and resultant performance enhancement of diverse strategies are systematically categorized, summarized, and evaluated. Finally, the challenges and future outlook of advanced ASSLSB cathode research are discussed at the end of this review.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1530 - 1541"},"PeriodicalIF":6.8,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ruixue Sun (, ), Pengfan Wu (, ), Pei Li (, ), Jianchun Jiang (, ), Mengjie Shou (, ), Qiao Chen (, ), Pingan Yang (, ), Fayang Wang (, ), Changrong Liao (, )
{"title":"Bio-inspired triboelectric nanogenerator as a self-powered gait recognition sensor for legged robots","authors":"Ruixue Sun \u0000 (, ), Pengfan Wu \u0000 (, ), Pei Li \u0000 (, ), Jianchun Jiang \u0000 (, ), Mengjie Shou \u0000 (, ), Qiao Chen \u0000 (, ), Pingan Yang \u0000 (, ), Fayang Wang \u0000 (, ), Changrong Liao \u0000 (, )","doi":"10.1007/s40843-024-3307-4","DOIUrl":"10.1007/s40843-024-3307-4","url":null,"abstract":"<div><p>Reducing the dependency on external energy sources for the gait recognition system of legged robots and providing them with higher endurance in field transport or emergency rescue has attracted much attention. Here, inspired by the tilted microstructures on the surface of mantis forelimbs, a performance-enhanced triboelectric sensor with a tilted magnetic microneedle surface (TMMS-TENG) is proposed to provide self-powered motion sensing and gait recognition for legged robots. By combining magnetorheological materials with micro-engineering technology, the tilting and bending of the microneedles on the surface of the triboelectric layer are controlled in alignment with the direction and intensity parameters of the magnetic field, thereby significantly influencing the sensing signal. The TMMS-TENG has achieved a peak output power of 5.82 mW with a load resistance of 3 MΩ, and also has the advantages of high sensitivity (7.57 kPa<sup>−1</sup>, 0 to 1 kPa, 3.55 times higher than that of the triboelectric sensor with planar structure), fast response, and high stability. It demonstrates outstanding recognition capability and excellent stability in legged robot gait recognition systems, with potential prospects in the fields of robotics, intelligent manufacturing, and health monitoring.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1542 - 1551"},"PeriodicalIF":6.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jingdan Li (, ), Qiaoying Shi (, ), Qi Wang (, ), Kaisheng Guo (, ), Jintang Li (, ), Chao Xu (, ), Siwei Li (, )
{"title":"Influence of fiber coating on electromagnetic wave absorption properties of SiCf/epoxy composites","authors":"Jingdan Li \u0000 (, ), Qiaoying Shi \u0000 (, ), Qi Wang \u0000 (, ), Kaisheng Guo \u0000 (, ), Jintang Li \u0000 (, ), Chao Xu \u0000 (, ), Siwei Li \u0000 (, )","doi":"10.1007/s40843-024-3283-y","DOIUrl":"10.1007/s40843-024-3283-y","url":null,"abstract":"<div><p>Structure modulation at multiscale is crucial for optimizing the electromagnetic wave absorption (EWA) properties of fiber-reinforced composites. Here we selected two types of wave-absorbing SiC fibers as reinforcements. The L-fiber had a relatively low resistivity of ∼3 Ω·cm and the H-fiber had a high resistivity of ∼7×10<sup>5</sup>Ω·cm. To adjust the impedance, BN single coating and SiO<sub>2</sub>/BN dual-coating were prepared respectively on the L-fibers. Unidirectional prepregs with different fibers were stacked in different rules to obtain the final composites. It showed that both the fiber coatings and stacking structure significantly influence the EWA performance of the composites. Guided by computational optimization, the stacked composites exhibited superior reflection loss (RL) lower than −10 dB across the whole X (8.2–12.4 GHz) and Ku (12.4–18.0 GHz) bands. It is interesting to find that the introduction of the surface coatings on the L-fibers significantly widens the available thickness range of the stacked composite for possessing excellent performance. In particular, dual-coating perform better in terms of broadening the available thickness range of the stacked composites.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1665 - 1675"},"PeriodicalIF":6.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhaodi Fan (, ), Hang Wang (, ), Kun Zhou (, ), Xingwu Zhai (, ), Canyu Hu (, ), Zhixin Sun (, ), Liang Wu (, ), Yuchun Liu (, ), Min Zhou (, )
{"title":"A three-in-one Ti3C2Tx MXene additive for low-temperature ultrathick electrodes","authors":"Zhaodi Fan \u0000 (, ), Hang Wang \u0000 (, ), Kun Zhou \u0000 (, ), Xingwu Zhai \u0000 (, ), Canyu Hu \u0000 (, ), Zhixin Sun \u0000 (, ), Liang Wu \u0000 (, ), Yuchun Liu \u0000 (, ), Min Zhou \u0000 (, )","doi":"10.1007/s40843-024-3292-8","DOIUrl":"10.1007/s40843-024-3292-8","url":null,"abstract":"<div><p>Ultrathick electrodes have aroused a burgeoning interest for their high mass loading and great energy density which is especially critical in cold regions. However, the adoption of various additives such as conductive agents, and polymer binder, limits the maximization of active content in the whole electrode. Herein, we explore Ti<sub>3</sub>C<sub>2</sub>T<sub><i>x</i></sub> MXene as a three-in-one additive that can realize viscosifier, conductive agent, and active material simultaneously. Highly concentrated MXene gel has unique rheological properties that can enable the 3D printed (3DP) electrodes at a thickness of up to 1 mm. Moreover, the multi-scale porous structure introduced by the MXene additive enables rapid and highly permeable ion transport throughout the thick electrodes. Especially, a high mass loading (up to 18.4 mg cm<sup>−2</sup>) 3DP MoS<sub>3</sub>/MXene electrode with high areal capacity (up to 7.2 mA h cm<sup>−2</sup>) has been demonstrated. Even at −20 °C, it retains a capacity of 4.2 mA h cm<sup>−2</sup>. Taking sodium-ion batteries as a proof-of-concept, a 3DP full cell built with a MoS<sub>3</sub>/MXene anode and a Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>/MXene cathode harvests a high energy density of 400 Wh kg<sup>−1</sup>. The employment of multifunctional MXene opens up fruitful implications for the design of ultrathick electrodes and multiple high-energy-density batteries at low temperatures.</p></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1552 - 1560"},"PeriodicalIF":6.8,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhicheng Nie (, ), Yingjie Liu (, ), Leqi Yang (, ), Xilong Wang (, ), Chunming Xu (, ), Chunya Wang (, )
{"title":"Engineering biomass into advanced carbon-based materials for Zn-air batteries","authors":"Zhicheng Nie \u0000 (, ), Yingjie Liu \u0000 (, ), Leqi Yang \u0000 (, ), Xilong Wang \u0000 (, ), Chunming Xu \u0000 (, ), Chunya Wang \u0000 (, )","doi":"10.1007/s40843-024-3297-2","DOIUrl":"10.1007/s40843-024-3297-2","url":null,"abstract":"<div><p>Facing the challenges of energy crisis and global warming, the development of renewable energy sources is getting more important. Zinc-air batteries (ZABs) have attracted much attention due to their high theoretical specific energy density, low manufacturing cost, safety and environmental benignity. Biomass-derived carbon materials have been developed as promising electrocatalysts for ZABs, due to their chemical and thermal stability, rich morphological structure, easily-modulated electronic structure, and sustainable resources. In this comprehensive review, we summarized the recent progress in the design and engineering of biomass into carbon-based oxygen electrocatalysts for ZABs, including metal-free materials, carbon materials with M-N<sub><i>x</i></sub>-C sites, and composites of carbon and transition-metal-based materials. We discussed the construction of air electrodes from biomass-derived carbon-based materials for high-performance ZABs, and then highlighted their applications in flexible ZABs with different configuration designs.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1509 - 1529"},"PeriodicalIF":6.8,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sequential crystallization during the formation of bulk heterojunction in organic solar cells","authors":"Xiaoxiao Jia, Qifeng Zhang, Guozhong Cao","doi":"10.1007/s40843-025-3274-3","DOIUrl":"10.1007/s40843-025-3274-3","url":null,"abstract":"","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1686 - 1688"},"PeriodicalIF":6.8,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yi-Guo Qin (, ), Wen-Cai Wang (, ), Wen-Jing Sun (, ), Ya-Ting Wang (, ), Shijie Cheng (, ), Shun-Da Wu (, ), Sheng-Min Gan (, ), Zhan Huang (, ), Jia Sun (, ), Qiu-Tong Shi (, ), Yong Huo (, ), Lingxian Meng (, ), Yamin Zhang (, ), Hao-Li Zhang (, )
{"title":"Thickness insensitive cathode interfacial materials via conjugated backbone ion polymerization for efficient organic solar cells","authors":"Yi-Guo Qin \u0000 (, ), Wen-Cai Wang \u0000 (, ), Wen-Jing Sun \u0000 (, ), Ya-Ting Wang \u0000 (, ), Shijie Cheng \u0000 (, ), Shun-Da Wu \u0000 (, ), Sheng-Min Gan \u0000 (, ), Zhan Huang \u0000 (, ), Jia Sun \u0000 (, ), Qiu-Tong Shi \u0000 (, ), Yong Huo \u0000 (, ), Lingxian Meng \u0000 (, ), Yamin Zhang \u0000 (, ), Hao-Li Zhang \u0000 (, )","doi":"10.1007/s40843-024-3278-x","DOIUrl":"10.1007/s40843-024-3278-x","url":null,"abstract":"<div><p>The cathode interfacial layer (CIL) in organic solar cells (OSCs) is crucial for the transport and collection of charge carriers. However, many cathode interfacial materials (CIMs) are unsuitable for printing manufacturing due to their sensitivity to thickness. To tackle this issue, researchers have developed a series of CIMs with n-type conjugated frameworks, particularly the naphthalene diimide (NDI) unit, owing to its high electron mobility and complementary absorption with commonly used active layers. Despite this, individual NDI molecules have a strong tendency to form large crystalline domains, which can lead to interfacial defects in CILs. In this work, a different approach from other NDI-based CIMs was adopted by substituting amino polar groups at the core position of NDI and polymerizing them into ionene-type CIMs. We designed and synthesized three self-doped polymer CIMs named PN-Pi, PN-Pe and PN-Eh. Among them, PN-Pi notably reduces the work function of the Ag electrode, aligns interfacial energies appropriately, smooths the active layer film and suppresses carrier injection. This results in an impressive power conversion efficiency (PCE) of 18.33% in the PM6:L8-BO system and maintains 90.4% PCE even at 127 nm thickness, ranking among the top film-thickness tolerance in the OSC field. This work demonstrates that combining conjugated backbone substitution with ionic polymerization is a promising strategy for designing high-performance CIMs for OSCs.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1401 - 1407"},"PeriodicalIF":6.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hang Liu (, ), Xingbang Gao (, ), Yufei Xin (, ), Ruohan Wang (, ), Haolin Zhong (, ), Bin Kan (, ), Xiangjian Wan (, ), Yongsheng Chen (, ), Yongsheng Liu (, )
{"title":"Central fluorination strategy of biphosphonic acid molecule for self-assembled monolayer enables efficient organic solar cells","authors":"Hang Liu \u0000 (, ), Xingbang Gao \u0000 (, ), Yufei Xin \u0000 (, ), Ruohan Wang \u0000 (, ), Haolin Zhong \u0000 (, ), Bin Kan \u0000 (, ), Xiangjian Wan \u0000 (, ), Yongsheng Chen \u0000 (, ), Yongsheng Liu \u0000 (, )","doi":"10.1007/s40843-024-3277-8","DOIUrl":"10.1007/s40843-024-3277-8","url":null,"abstract":"<div><p>Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) is a primary hole extraction layer (HEL) employed in most state-of-the-art regular organic solar cells (OSCs). However, the acidic nature of PEDOT:PSS could corrode the indium tin oxide (ITO) electrode under prolonged operation, compromising the long-term stability of the devices. Herein, we have designed and synthesized a novel biphosphonic acid molecule, namely 3BPIC-<i>c</i>F, for self-assembled monolayers (SAMs) using a central fluorination strategy. Compared to PEDOT:PSS, the 3BPIC-<i>c</i>F-modified ITO substrate exhibits enhanced light transmittance and improved interfacial compatibility with the organic active layer. Thanks to the introduction of fluorine atoms, 3BPIC-<i>c</i>F exhibits a larger dipole moment and a deeper highest occupied molecular orbital energy level, leading to an increased work function for the ITO/3BPIC-<i>c</i>F substrate compared to the ITO/PEDOT:PSS substrate. These advantages can enhance hole extraction within the device, decrease interfacial impedance and restrain nonradiative recombination at the interface. Consequently, OSCs utilizing 3BPIC-<i>c</i>F as HEL achieved a high efficiency of 19.34%, surpassing the performance of devices based on PEDOT:PSS (power conversion efficiency (PCE) = 18.64%). Importantly, the OSCs based on 3BPIC-<i>c</i>F exhibit significantly improved stability compared to those using PEDOT:PSS. This research provides valuable insights for the development of functional molecules for SAMs, with the potential to enhance the performance of organic solar cells.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"68 and Applications","pages":"1408 - 1414"},"PeriodicalIF":6.8,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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