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Cover Feature: Solvent-Free Synthesis of Closed-Loop Recyclable Acetal Thermosets Derived from Biobased Resources (ChemSusChem 13/2025) 封面特色:基于生物基资源的闭环可回收缩醛热固性材料的无溶剂合成(ChemSusChem 13/2025)
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-03 DOI: 10.1002/cssc.202581303
Patrick Schara, Ankita Mandal, Željko Tomović
{"title":"Cover Feature: Solvent-Free Synthesis of Closed-Loop Recyclable Acetal Thermosets Derived from Biobased Resources (ChemSusChem 13/2025)","authors":"Patrick Schara,&nbsp;Ankita Mandal,&nbsp;Željko Tomović","doi":"10.1002/cssc.202581303","DOIUrl":"https://doi.org/10.1002/cssc.202581303","url":null,"abstract":"<p><b>The Cover Feature</b> shows a sustainable, solvent-free strategy for closed-loop recyclable acetal thermosets. Bio-based vanillin derivatives and diols are combined under bulk conditions by using oxalic acid as a green catalyst, yielding thermosets with excellent mechanical properties. These materials can be efficiently closed-loop recycled in high yield and reformed into new thermosets, offering a circular solution for high-performance engineering applications. More information can be found in the Research Article by Ž. Tomović and co-workers (DOI: 10.1002/cssc.202500163).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":"18 13","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cssc.202581303","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144550910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Feature: Perspectives and Limitations of Tartaric Acid Diamides as Phase Change Materials for Sustainable Heat Applications (ChemSusChem 13/2025) 封面专题:酒石酸二胺作为可持续热应用相变材料的前景和局限性(ChemSusChem 13/2025)
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-03 DOI: 10.1002/cssc.202581302
Magdalena Gwóźdź, Natalia Siodłak, Anna Chrobok, Karolina Matuszek, Alina Brzęczek-Szafran
{"title":"Cover Feature: Perspectives and Limitations of Tartaric Acid Diamides as Phase Change Materials for Sustainable Heat Applications (ChemSusChem 13/2025)","authors":"Magdalena Gwóźdź,&nbsp;Natalia Siodłak,&nbsp;Anna Chrobok,&nbsp;Karolina Matuszek,&nbsp;Alina Brzęczek-Szafran","doi":"10.1002/cssc.202581302","DOIUrl":"https://doi.org/10.1002/cssc.202581302","url":null,"abstract":"<p><b>Phase change materials</b> pave the way to revolutionizing energy storage technologies as cost-effective, scalable solutions without rare earth dependency. In addition, if they are bio-derived, the carbon footprint of such thermal battery technology can be minimal. Tartaric acid-based phase change materials melt at temperatures between 130 and 190 °C with high thermal energy storage capacity, thus making them promising candidates for thermal batteries. More information can be found in the Research Article by K. Matuszek, A. Brzęczek-Szafran and co-workers (DOI: 10.1002/cssc.202500145). Art by the team of INMYWORK Studio.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":"18 13","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cssc.202581302","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144551019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Upcycling PET waste into CoNi-MOF@MoSe2 hybrid nanostructures for high-performance aqueous supercapacitors. 将PET废弃物升级为CoNi-MOF@MoSe2用于高性能水性超级电容器的混合纳米结构。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-02 DOI: 10.1002/cssc.202501003
Samikannu Prabu, Madhan Vinu, Kung-Yuh Chiang
{"title":"Upcycling PET waste into CoNi-MOF@MoSe2 hybrid nanostructures for high-performance aqueous supercapacitors.","authors":"Samikannu Prabu, Madhan Vinu, Kung-Yuh Chiang","doi":"10.1002/cssc.202501003","DOIUrl":"https://doi.org/10.1002/cssc.202501003","url":null,"abstract":"<p><p>This study presents a novel technique for sustainably upcycling polyethylene terephthalate (PET) plastic waste (PW) into functional metal-organic frameworks (MOFs) for enhanced energy storage applications. To synthesize CoNi-MOF nanocrystals, terephthalic acid (TPA), which is obtained by alkaline hydrolysis of PET, acts as an environmentally benign organic linker. Further integrating the MOFs with ultrathin MoSe2 nanosheets using a simple hydrothermal technique develops a hybrid CoNi-MOF@MoSe2 electrode material. The synthesized nanocomposite demonstrates excellent cycling durability, maintaining 98.46% of its capacitance after 15,000 GCD cycles, along with a high specific capacitance of 3,322 F/g at a low current of 0.5 A/g. Furthermore, an asymmetric supercapacitor (ASC) device was constructed with activated carbon (AC) as the anode and CoNi-MOF@MoSe2 as the cathode in an aqueous KOH electrolyte. This ASC has exceptional electrochemical performance, maintaining 95% of its original capacity after extended cycling and producing a high energy density of 59 Wh kg-1 at a power density of 450 W kg-1. This work highlights the possibility of PW-derived hybrid MOF materials with programmable nanostructures as viable choices for upcoming improved energy storage technologies.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202501003"},"PeriodicalIF":7.5,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144551513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ice-Templated Synthesis of Mixed Ion-Electron Conductors for Functional Interlayers in Lithium Batteries. 冰模板法合成锂电池功能夹层混合离子-电子导体。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-02 DOI: 10.1002/cssc.202501138
Woongsik Choi, Chaeyoung Shim, Geunhong Sim, Moon Jeong Park
{"title":"Ice-Templated Synthesis of Mixed Ion-Electron Conductors for Functional Interlayers in Lithium Batteries.","authors":"Woongsik Choi, Chaeyoung Shim, Geunhong Sim, Moon Jeong Park","doi":"10.1002/cssc.202501138","DOIUrl":"https://doi.org/10.1002/cssc.202501138","url":null,"abstract":"<p><p>Despite ongoing efforts to develop sustainable lithium batteries with eco-friendly cathode materials, such as organic or sulfur-based compounds, challenges such as poor charge transport and severe redox shuttling persist. Interface engineering at the electrode-electrolyte interface remains crucial for improving the performance of these batteries. In this study, we present an ice-templated synthesis of mixed ion-electron-conducting interlayers designed to enhance redox kinetics and cycling stability in lithium batteries. The interlayers consist of hierarchically porous conducting polymer nanosheets with Li+-conducting polymeric nanoparticles anchored to the pore walls. This architecture simultaneously enhances electrical conductivity (6.0 S cm-1) and ionic conductivity (0.22 mS cm-1), and effectively mitigates shuttle effects by confining soluble redox-active species within the porous interlayer. When applied to lithium-organic batteries with C6O6 cathodes, the batteries achieved a high specific capacity of 557 mAh g-1 at 48 mA g-1. In lithium-sulfur cells with elemental sulfur cathodes, the cells delivered 912 mAh g-1 at 167 mA g-1, 789 mAh g-1 at 0.84 A g-1, 717 mAh g-1 at 1.7 A g-1, and 544 mAh g-1 at 3.3 A g-1 with cycling stability over 120 cycles. This study establishes a scalable and adaptable platform for the advancement of sustainable lithium battery technologies.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202501138"},"PeriodicalIF":7.5,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144537558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CdS/UiO@MIL Nanocomposites with Multiple S-scheme Heterojunctions for Efficient Thioamide Photooxidation. CdS/UiO@MIL具有多个s -方案异质结的纳米复合材料用于高效硫酰胺光氧化。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-02 DOI: 10.1002/cssc.202501133
Wenjing Gao, Yuchan Liu, Chenyao Chen, Ziqi Lian, Rongkai Ye, Chaorong Qi, Jianqiang Hu
{"title":"CdS/UiO@MIL Nanocomposites with Multiple S-scheme Heterojunctions for Efficient Thioamide Photooxidation.","authors":"Wenjing Gao, Yuchan Liu, Chenyao Chen, Ziqi Lian, Rongkai Ye, Chaorong Qi, Jianqiang Hu","doi":"10.1002/cssc.202501133","DOIUrl":"https://doi.org/10.1002/cssc.202501133","url":null,"abstract":"<p><p>The strategic design of S-scheme heterojunctions has emerged as an effective approach to optimize charge carrier dynamics in photocatalytic systems. In this work, CdS/UiO-66-NH2@MIL-88B (CdS/UiO@MIL) nanocomposites with multiple S-scheme heterojunctions were successfully fabricated by combining stable metal-organic frameworks with large specific surface area (UiO-66-NH2 and MIL-88B) with CdS nanoparticles and used for the photocatalytic thioamide oxidative cyclization. Photoelectric tests revealed that the nanocomposites had multiple S-scheme heterojunctions, which could significantly improve the electron-hole separation. The average fluorescence lifetime of CdS/UiO@MIL nanocomposites (~15.15 ns) was ~10-fold, ~13-fold and ~6-fold longer than that of UiO (~1.45 ns), MIL (~1.16 ns) and CdS NPs (~2.62 ns), respectively. The CdS/UiO@MIL nanocomposites also exhibited satisfactory yield (~96%) and good photostability for the thioamide oxidative cyclization reaction, with yields ~10-fold higher than those of UiO (~10%), ~19-fold higher than those of MIL (~5%) and ~3-fold higher than those of CdS nanoparticles (~36%), respectively. Systematic investigations reveal that the cascade charge transfer through multiple S-scheme pathways simultaneously preserves strong redox potentials while suppressing recombination losses. This work underscores the potential of hierarchical S-scheme architectures in advancing photocatalytic organic transformations for sustainable chemistry.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202501133"},"PeriodicalIF":7.5,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144551511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nickel-Coated Copper Foam Electrocatalytic Electrode for Energy-Saving Hydrogen Evolution and Value-Added Chemical Co-Generation. 节能析氢和增值化学热电联产的镀镍泡沫铜电催化电极。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-01 DOI: 10.1002/cssc.202501065
Muhammad Wasim, Muhammad Tayyab, Ali Arbab, Abdul Zeeshan Khan, Zulakha Zafar, Muhammad Arshad, Rida Javed, Maira Liaqat, Xian-Zhu Fu, Jing-Li Luo
{"title":"Nickel-Coated Copper Foam Electrocatalytic Electrode for Energy-Saving Hydrogen Evolution and Value-Added Chemical Co-Generation.","authors":"Muhammad Wasim, Muhammad Tayyab, Ali Arbab, Abdul Zeeshan Khan, Zulakha Zafar, Muhammad Arshad, Rida Javed, Maira Liaqat, Xian-Zhu Fu, Jing-Li Luo","doi":"10.1002/cssc.202501065","DOIUrl":"https://doi.org/10.1002/cssc.202501065","url":null,"abstract":"<p><p>Developing cost-effective, eco-friendly electrocatalysts with strong electrochemical performance is essential for advancing in water electrolysis. Noble metal-based catalysts offer excellent activity, but due to less availability and more expenses leads to an urgent demand for efficient, affordable, and earth-abundant alternatives. In this study, a bimetallic foam architecture (CuF@Ni) was fabricated by electrodeposition of Ni on CuF. This structure acts as both a conductive support and an active electrocatalyst. The synthesized CuF@Ni demonstrated superior HER activity and overpotential of 0.18 V at 50 mA/cm², while for MOR overpotential was observed 0.14 V at 50 mA/cm². CuF@Ni electrocatalytic electrode achieved a Faradaic efficiency ~100 %, with a formate (HCOO-) concentration of 7.9 mM during 150 C charge transfer. In a co-generation system integrating HER and MOR the onset potential was observed as lower 0.4 V and CuF@Ni required only 0.92 V to sustain the current density of 50 mA/cm², demonstrating significant energy savings. In addition, device consumes less power than theoretical water electrolysis under higher current density. Long-term stability tests confirmed minimal degradation under the harsh conditions. This study highlights CuF@Ni as a promising dual-functional electrocatalyst for efficient energy conversion for future renewable energy applications.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202501065"},"PeriodicalIF":7.5,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144537559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent Advances of COFs-based Materials for Photocatalytic U(VI) Separation: Structural Modulation and Mechanistic Exploration. 光催化分离U(VI)用cofs基材料的研究进展:结构调控与机理探索。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-01 DOI: 10.1002/cssc.202500972
Zifan Li, Zhibin Zhang, Zhiqing Lin, Kun Zhao, Bin Han, Shan Yao, Yunhai Liu
{"title":"Recent Advances of COFs-based Materials for Photocatalytic U(VI) Separation: Structural Modulation and Mechanistic Exploration.","authors":"Zifan Li, Zhibin Zhang, Zhiqing Lin, Kun Zhao, Bin Han, Shan Yao, Yunhai Liu","doi":"10.1002/cssc.202500972","DOIUrl":"https://doi.org/10.1002/cssc.202500972","url":null,"abstract":"<p><p>The development of efficient and selective U(VI) extraction from seawater and U(VI)-containing wastewater through photocatalytic technology holds significant importance for nuclear energy advancement and mitigation of radionuclide-related environmental and health risks. Covalent organic frameworks (COFs) have emerged as ideal photocatalytic materials for U(VI) separation due to their inherent porosity, robust frameworks, chemical stability, and exceptional structural regularity. This comprehensive review examines molecular-level structural optimization of COFs to enhance charge carrier separation and transfer, thereby improving photocatalytic U(VI) extraction efficiency. We systematically evaluate multiple design strategies, including: Donor-Acceptor (D-A) structure regulation, covalent linkage engineering, COF-based heterojunction construction, Metal-covalent organic frameworks (MCOFs) development, and piezo-photocatalytic synergy. Furthermore, we have discussed the fundamental principles of U(VI) separation mediated by COFs and carefully analyzed the mechanisms of U(VI) separation through photocatalysis by COFs. Finally, we analyzed the challenges faced in the photocatalytic separation of U(VI) based on COFs and prospected their development prospects. This review systematically summarizes the latest progress in the field of photocatalytic separation of U(VI) based on COFs, as well as the deficiencies in the catalytic mechanism. It can provide useful references for the rational design of efficient COF-based photocatalysts and in-depth exploration of the U(VI) separation mechanisms.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202500972"},"PeriodicalIF":7.5,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144525700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress in Li2C2O4-Based Pathway Toward Low-Polarization Li–CO2 Batteries 基于li2c2o4的低极化Li-CO2电池研究进展
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-01 DOI: 10.1002/cssc.202500649
Lijun Yue, Xiaowei Mu, Haipeng Tang, Hui Xia, Hao Gong, Haoshen Zhou
{"title":"Progress in Li2C2O4-Based Pathway Toward Low-Polarization Li–CO2 Batteries","authors":"Lijun Yue,&nbsp;Xiaowei Mu,&nbsp;Haipeng Tang,&nbsp;Hui Xia,&nbsp;Hao Gong,&nbsp;Haoshen Zhou","doi":"10.1002/cssc.202500649","DOIUrl":"10.1002/cssc.202500649","url":null,"abstract":"<p>Li–CO<sub>2</sub> batteries represent a promising electrochemical system that integrates energy storage with CO<sub>2</sub> conversion, making them one of the most prominent areas of current research. However, Li–CO<sub>2</sub> batteries following the conventional Li<sub>2</sub>CO<sub>3</sub>-based pathway generally suffer from large overpotentials and low energy efficiency. Recently, an alternative Li<sub>2</sub>C<sub>2</sub>O<sub>4</sub>-based pathway has been reported, demonstrating great potential to reduce discharge/charge polarization and enhance reversibility. This review provides a comprehensive overview of Li–CO<sub>2</sub> batteries based on the Li<sub>2</sub>C<sub>2</sub>O<sub>4</sub> pathway. It begins with a discussion of the fundamental reaction mechanisms associated with Li<sub>2</sub>C<sub>2</sub>O<sub>4</sub> formation and decomposition. Subsequently, recent progress in catalyst design and electrolyte optimization is summarized sequentially, particularly focusing on inherent correlations between interfacial electrochemical behaviors and battery performance. Finally, future research directions are outlined to guide further advancements in this emerging area.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":"18 15","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144525697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Direct Transformation of Biomass into Levulinic Acid Using Acidic Ionic Liquids: An Example of Sustainable and Efficient Waste Valorization. 利用酸性离子液体将生物质直接转化为乙酰丙酸:可持续和高效废物增值的一个例子。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-07-01 DOI: 10.1002/cssc.202500951
Marta Przypis, Agata Wawoczny, Karolina Matuszek, Anna Chrobok, Małgorzata Swadźba-Kwaśny, Danuta Maria Gillner
{"title":"Direct Transformation of Biomass into Levulinic Acid Using Acidic Ionic Liquids: An Example of Sustainable and Efficient Waste Valorization.","authors":"Marta Przypis, Agata Wawoczny, Karolina Matuszek, Anna Chrobok, Małgorzata Swadźba-Kwaśny, Danuta Maria Gillner","doi":"10.1002/cssc.202500951","DOIUrl":"https://doi.org/10.1002/cssc.202500951","url":null,"abstract":"<p><p>The intensification of the use and conversion of renewable raw materials, including plant biomass, into valuable products is one of the major goals of the Sustainable Development Strategy. Levulinic acid (LA), classified as one of the top twelve biobased platform chemicals of the future, can be produced from lignocellulose; however, this process is often complex. In this work, a novel and effective pathway for the direct transformation of lignocellulosic biomass into LA under mild conditions, without pretreatment, is presented. Selected waste lignocellulosic biomass, including sawmill chips, grass, and walnut waste, as well as model cellulose, were converted to LA using acidic ionic liquids (ILs). Among the evaluated ILs, [Hmim(HSO4)(H2SO4)2] provided the highest product yields even at 50-70°C. The ILs used in this study were significantly more efficient in converting cellulose and biomass compared to conventional sulfuric acid. The highest yield of LA was obtained from sawmill chips, reaching 64.04 mol% of LA.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202500951"},"PeriodicalIF":7.5,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144525696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The modification of ZnO with 2D g-C3N5 as electron transport layer for high-performance and stable organic solar cells. 用二维g-C3N5作为电子传输层修饰ZnO制备高性能稳定的有机太阳能电池。
IF 7.5 2区 化学
ChemSusChem Pub Date : 2025-06-30 DOI: 10.1002/cssc.202500889
Song Yang, Shengwei Shi, Huangzhong Yu
{"title":"The modification of ZnO with 2D g-C3N5 as electron transport layer for high-performance and stable organic solar cells.","authors":"Song Yang, Shengwei Shi, Huangzhong Yu","doi":"10.1002/cssc.202500889","DOIUrl":"https://doi.org/10.1002/cssc.202500889","url":null,"abstract":"<p><p>ZnO has been traditionally applied in organic solar cells (OSCs) as electron transport layer (ETL). However, inevitable vacancy defects existed on the surface of ZnO will result in trap-assisted recombination centers and thus low efficient electron transport in OSCs. Herein, an effective and facile method has been developed to modify the ZnO surface with two-dimensional (2D) g-C3N5 for high-performance and stable OSCs. The results show that 2D g-C3N5 can effectively passivate various defects on the surface of ZnO, such as oxygen vacancies and -OH, leading to the reduction of the work function of ZnO layer. The combination of theoretical calculations and experimental characterizations reveals charge transfer mechanism between g-C3N5 and ZnO surface and physical mechanism of oxygen vacancy filling in ZnO. Furthermore, with 1 wt% g-C3N5-modified ZnO as the ETL, inverted OSCs based on PM6: BTP-eC9 and PM6:L8-BO:BTP-eC9 exhibit the highest power conversion efficiency (PCE) of 18.15% and 18.84%, respectively, which is much higher than that for the corresponding reference devices without the modified ETL (16.37% and 17.63%). Therefore, this study provides an effective and facile way for the defect modification of ZnO by 2D materials, and offers a deep understanding of the passivation mechanism of ZnO defects.</p>","PeriodicalId":149,"journal":{"name":"ChemSusChem","volume":" ","pages":"e202500889"},"PeriodicalIF":7.5,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144525709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","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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