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Articles by Junzhen Ren
Fully Non-Fused Organic Photovoltaic Systems Based on a Pyrazine-Functionalized Polymer Donor
Background and Originality Content Solution-processable organic photovoltaic (OPV) cells have attracted widespread attention owing to their unique advantages, including light weight, compatibility with low-cost roll-to-roll manufacturing, semitransparency, and adaptability to flexible substrates.[1-8] In recent years, continuous innovations in active-layer materials and optimization of OPV cell fabrication processes have led to significant breakthroughs, with the power conversion efficiency...
Manipulating Aggregation Kinetics toward Efficient All‐Printed Organic Solar Cells
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adma202418353-sup-0001-SuppMat.docx14.7 MB Supporting Information References 1, , , , , , , , , , , , , Science 2018, 361, 1094. 2, , , , , , , Nat. Rev. Mater. 2018, 3, 18003. 3, , , , , , , , , , , , , , , , , , , , , , , , , , Nat. Energy 2024, 9, 1117. 4, , , , , , , , , , , Chem. Rev. 2022, 122, 14180. 5, , , , , , , , , Joule 2022, 6, 171. 6, , , , , , , , , , Nat. Energy 2024, 9, 975.
Asymmetric Alkyl Chain Engineering for Efficient and Eco‐Friendly Organic Photovoltaic Cells
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description smll202408308-sup-0001-SuppMat.pdf3.6 MB Supporting Information References 1, , , , , , , , , , , Chem. Rev. 2022, 122, 14180. 2, , , , Nat. Rev. Mater. 2023, 9, 46. 3, , , , , , , Nat. Rev. Mater. 2018, 3, 18003. 4, , , , , Adv. Mater. 2014, 26, 29. 5, , , , , , Nat. Rev. Phys. 2024, 6, 365. 6, , , , Chem 2023, 9, 1702. 7, , , , , , , , , Joule 2022, 6, 171. 8, , , , , , , , , , , , , , , J. Am. Chem. Soc.
Chlorinated Polythiophene‐Based Donors with Reduced Energy Loss for Organic Solar Cells
Supporting Information Filename Description cjoc202400793-sup-0001-supinfo.pdfPDF document, 2.1 MB Appendix S1: Supporting Information References 1 ; Efficiency of bulk-heterojunction organic solar cells. Prog. Polym. Sci. 2013, 38, 1929–1940. 2 ; ; ; ; ; ; ; Critical review of the molecular design progress in non-fullerene electron acceptors towards commercially viable organic solar cells. Chem. Soc. Rev. 2019, 48, 1596–1625.
Local Dipole Modulation Toward High Fill Factor in Organic Solar Cells
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adma202408858-sup-0001-SuppMat.docx6.5 MB Supporting Information References 1, , , , , , , , , , , , Adv. Mater. 2024, 36, 2400342. 2, , , , , , , , , , , , , , , J. Am. Chem. Soc. 2024, 146, 12011. 3, , , , , , , , , , Nat. Energy 2024. 4, , , , , , , , , , , , Adv. Mater. 2024, 2406690. 5, , , , , , , , , , , , , Nat. Commun. 2022, 13, 3256. 6, , , , , , , , , , , , , , , , Energy Environ. Sci.
Local Dipole Modulation Toward High Fill Factor in Organic Solar Cells
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adma202408858-sup-0001-SuppMat.docx6.5 MB Supporting Information References 1, , , , , , , , , , , , Adv. Mater. 2024, 36, 2400342. 2, , , , , , , , , , , , , , , J. Am. Chem. Soc. 2024, 146, 12011. 3, , , , , , , , , , Nat. Energy 2024. 4, , , , , , , , , , , , Adv. Mater. 2024, 2406690. 5, , , , , , , , , , , , , Nat. Commun. 2022, 13, 3256. 6, , , , , , , , , , , , , , , , Energy Environ. Sci.
Optimizing Molecular Packing via Steric Hindrance for Reducing Non‐Radiative Recombination in Organic Solar Cells
Conflict of interests The authors declare no conflict of interest. Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.
Design and Synthesis of Dibenzothiadiazolopyrrolothiophene (DBTPT)‐Based Acceptors for Efficient Organic Photovoltaic Cells
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adfm202400729-sup-0001-SuppMat.pdf4.9 MB Supporting Information References 1, , , , , Nat. Rev. Chem. 2022, 6, 614. 2, , , , , , Chem. Rev. 2016, 116, 12920. 3, , , , , , , , , , , Chem. Rev. 2022, 122, 14180. 4, , , , , , , , , , , , , , , , , , , , , , , , , , , Sci. China Chem. 2021, 65, 224. 5, , , , Chem 2023, 9, 1702. 6, , , , , , , , , , , , , Joule 2022, 6, 662.
Molecular Design for Vertical Phase Distribution Modulation in High‐Performance Organic Solar Cells
Component distribution within the photoactive layer dictates the morphology and electronic structure and substantially influences the performance of organic solar cells (OSCs). In this study, we introduce a molecular design strategy to manipulate component and energetics distribution by adjusting side-chain polarity. Two non-fullerene acceptors (NFAs), ITIC-16F and ITIC-E, are synthesized by introducing different polar functional substituents onto the side chains of ITIC.
Iodinated Electron Acceptor with Significantly Extended Exciton Diffusion Length for Efficient Organic Photovoltaic Cells
Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Filename Description anie202317892-sup-0001-misc_information.pdf2.9 MB Supporting Information References 1 1a, , , , , , , J.
Design of a Fully Non‐Fused Bulk Heterojunction toward Efficient and Low‐Cost Organic Photovoltaics
Abstract To modulate the miscibility between donor and acceptor materials both possessing fully non-fused ring structures, a series of electron acceptors (A4T-16, A4T-31 and A4T-32) with different polar functional substituents were synthesized and investigated. The three acceptors show good planarity, high conformational stability, complementary absorption and energy levels with the non-fused polymer donor (PTVT-BT).
An over 16% efficiency organic solar cell enabled by a low-cost pyrazine-based polymer donor
An over 16% efficiency organic solar cell enabled by a low-cost pyrazine-based polymer donor† Junzhen Ren,ac Shaoqing Zhang, *b Pengqing Bi,a Zhihao Chen,a Tao Zhang,ac Jingwen Wang,ac Lijiao Ma,a Jiayao Liac and Jianhui Hou *a Abstract Developing organic photoactive materials with simple chemical structures is a promising strategy to solve the critical cost issue of organic solar cells (OSCs).
Molecular design of a non-fullerene acceptor enables a P3HT-based organic solar cell with 9.46% efficiency
Molecular design of a non-fullerene acceptor enables a P3HT-based organic solar cell with 9.46% efficiency† Chenyi Yang,ab Shaoqing Zhang, *ab Junzhen Ren,b Mengyuan Gao,c Pengqing Bi,b Long Ye *c and Jianhui Hou *ab Author affiliations * Corresponding authors a School of Chemistry and Biology Engineering, University of Science and Technology Beijing, Beijing 100083, China E-mail: shaoqingz@iccas.ac.cn, hjhzlz@iccas.ac.cn b State Key Laboratory of Polymer Physics and Chemistry, Beijing...
Comparative Study of Conformational Effect of Dithienothiophene and Terthiophene Based Photovoltaic Polymers
The conformational change of polymer backbone has obvious influence on the blended film morphology and the photovoltaic properties. A planar polymer backbone can provide strong intermolecular interaction, but exceeding self-aggregation usually disadvantages favorable film morphology.
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