Chinese Journal of Chemistry最新文献

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IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-12-15 DOI: 10.1002/cjoc.202590022

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IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-12-01 DOI: 10.1002/cjoc.202590012

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Meet Our New Associate Editor 认识我们的新副主编

IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-15 DOI: 10.1002/cjoc.202490244

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Meet Our New Editorial Board Members of Spotlights 认识《聚焦》杂志新一届编辑委员会成员

IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-15 DOI: 10.1002/cjoc.202490245

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IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-15 DOI: 10.1002/cjoc.202490242

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Author Index to Volume 42, 2024 第 42 卷（2024 年）作者索引

IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-15 DOI: 10.1002/cjoc.202490246

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Copper-Catalyzed Regioselective Cyanation/Diarylmethylation of Formamides: Construction of α-Cyano Functionalized Tetra-Substituted Olefins 铜催化甲酰胺的区域选择性氰化/二芳基甲基化：α-氰基功能化四取代烯烃的构建

IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-14 DOI: 10.1002/cjoc.202400911

Minjing Yuan, Zikang Li, Weifeng Xu, Biquan Xiong, Yu Liu, Min Liu, Ke-Wen Tang, Longzhi Zhu

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Catalytic Enantioselective Functionalization of Maleimides: An Update 马来酰亚胺的催化对映选择性官能化：最新进展

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Chinese Journal of Chemistry Pub Date : 2024-11-13 DOI: 10.1002/cjoc.202400787

Muriel Amatore, Damien Bonne, Thierry Constantieux, Jean Rodriguez

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Volatile Additive Assists Binary Layer-by-Layer Solution Processing Organic Solar Cells to Achieve 19% Efficiency 挥发性添加剂帮助二元逐层溶液处理有机太阳能电池实现 19% 的效率

IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-04 DOI: 10.1002/cjoc.202400850

Luye Cao, Hengyuan Zhang, Xiaoyang Du, Xinrui Li, Hui Lin, Gang Yang, Caijun Zheng, Silu Tao

{"title":"Volatile Additive Assists Binary Layer-by-Layer Solution Processing Organic Solar Cells to Achieve 19% Efficiency","authors":"Luye Cao, Hengyuan Zhang, Xiaoyang Du, Xinrui Li, Hui Lin, Gang Yang, Caijun Zheng, Silu Tao","doi":"10.1002/cjoc.202400850","DOIUrl":"https://doi.org/10.1002/cjoc.202400850","url":null,"abstract":"<div>\u0000 \u0000 <p>Layer-by-layer (LbL) solution processing is an efficient method to realize high performance organic solar cells (OSCs). One of the drawbacks of the LbL-processed active layer is the large difference in the crystallinity of the donor and acceptor, which will lead to imbalance charge transfer and result in unfavorable charge recombination. Herein, we combined a novel volatile additive 3,5-dichloro-2,4,6- trifluorobenzotrifluoride (DTBF) with the LbL method to realize high-efficiency OSCs. DTBF interacts with the non-fullerene acceptor BTP-4F by non-covalent bonding, which enhances the crystallinity and compact stacking of BTP-4F. DTBF doped OSC has balanced and efficient electron transport properties, longer carrier lifetime, higher exciton dissociation and charge collection efficiencies, lower energetic disorder than the control OSC without any additives. Benefiting from the optimization of charge dynamics and micro-morphology by DTBF, the binary LbL-processed OSC achieved synergistic improvements in open-circuit voltage, short-circuit current density and fill factor. As a result, a champion power conversion efficiency (<i>PCE</i>) of 19% is realized for DTBF-optimized OSC, which is superior to the control OSC (17.55%). This work demonstrates a promising approach to modulate active layer morphology and fabricate high performance OSCs.</p>\u0000 <p>\u0000 </p>\u0000 </div>","PeriodicalId":151,"journal":{"name":"Chinese Journal of Chemistry","volume":"42 24","pages":"3581-3587"},"PeriodicalIF":5.5,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142641357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Efficient All-Polymer Solar Cells Enabled by a Novel Medium Bandgap Guest Acceptor 新型中等带隙客体受体带来的高效全聚合物太阳能电池

IF 5.5 1区化学

Chinese Journal of Chemistry Pub Date : 2024-11-04 DOI: 10.1002/cjoc.202400679

Yongdie Meng, Luting Tang, Manjun Xiao, Wenjing Zhou, Nana Li, Jianchao Jia, Tao Jia, Wenyan Su, Zhaozhao Bi, Wenhong Peng, Baobing Fan, Alex K.-Y. Jen, Wei Ma, Qunping Fan

{"title":"Efficient All-Polymer Solar Cells Enabled by a Novel Medium Bandgap Guest Acceptor","authors":"Yongdie Meng, Luting Tang, Manjun Xiao, Wenjing Zhou, Nana Li, Jianchao Jia, Tao Jia, Wenyan Su, Zhaozhao Bi, Wenhong Peng, Baobing Fan, Alex K.-Y. Jen, Wei Ma, Qunping Fan","doi":"10.1002/cjoc.202400679","DOIUrl":"https://doi.org/10.1002/cjoc.202400679","url":null,"abstract":"<div>\u0000 \u0000 <p>Near-infrared (NIR)-absorbing polymerized small molecule acceptors (PSMAs) based on a Y-series backbone (such as PY-IT) have been widely developed to fabricate efficient all-polymer solar cells (all-PSCs). However, medium-bandgap PSMAs are often overlooked, while they as the third component can be expected to boost power conversion efficiencies (PCEs) of all-PSCs, mainly due to their up-shifted lowest unoccupied molecular orbital (LUMO) energy level, complimentary absorption, and diverse intermolecular interaction compared to the NIR-absorbing host acceptor. Herein, an IDIC-series medium-bandgap PSMA (P-ITTC) is developed and introduced as the third component into D18/PY-IT host, which can not only form complementary absorption and cascade energy level, but also finely optimize active layer morphology. Therefore, compared to the D18/PY-IT based parental all-PSCs, the ternary all-PSCs based on D18/PY-IT:P-ITTC obtain an increased exciton dissociation, charge transport, carrier lifetime, as well as suppressed charge recombination and energy loss. As a result, the ternary all-PSCs achieve a high PCE of 17.64% with a photovoltage of 0.96 V, both of which are among the top values in layer-by-layer typed all-PSCs. This work provides a method for the design and selection of the medium-bandgap third component to fabricate efficient all-PSCs.</p>\u0000 <p>\u0000 </p>\u0000 </div>","PeriodicalId":151,"journal":{"name":"Chinese Journal of Chemistry","volume":"42 24","pages":"3559-3566"},"PeriodicalIF":5.5,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142641347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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