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Printable and stable all-polymer solar cells based on non-conjugated polymer acceptors with excellent mechanical robustness

引用

Science China Chemistry 2022年第1期65卷 182-189页

作者： Dong Chen Siqi Liu Xiaotian Hu Feiyan Wu Jiabin Liu Kangkang Zhou Long Ye Lie Chen Yiwang Chen College of Chemistry/Institute of polymers and Energy Chemistry(IPEC) Nanchang UniversityNanchang 330031China Institute of Advanced Scientific Research(iASR) Key Laboratory of Functional Organic Small Molecules for Ministry of EducationJiangxi Normal UniversityNanchang 330022China Tianjin Key Laboratory of Molecular Optoelectronic Science Tianjin UniversityCollaborative Innovation Center of Chemical Science and Engineering(Tianjin)Tianjin 300072China

All-polymer solar cells(all-PSCs)trigger enormous commercial applications,and great progress has been made in recent ***,from small-area devices to large-area modules,the poor adaption of the materials for printing methods and the large efficiency loss are still great ***,three novel non-conjugated polymer acceptors(PTH-Y,PTClm-Yand PTClo-Y)are developed for *** can be found that non-conjugated polymer acceptors can effectively minimize the technique and efficiency gaps between small-area spin-coating and large-area blade-printing method,which can facilitate the preparation of large-area flexible *** directly inheriting the spin-coating condition,the blade-coating processed device based on PTCloY achieves an impressive power conversion efficiency(PCE)of 12.42%,comparable to the spin-coating processed one(12.74%).Such a non-conjugated polymer system also can well tolerate large-scale preparation and flexible *** PCE of 11.94%for large-area rigid device and 11.56%for large-area flexible device are obtained,which is the highest value for large-area flexible all-PSCs fabricated by *** addition,the non-conjugated PTClo-Y-based devices show excellent thermal stability and mechanical *** results demonstrate that the non-conjugated polymer acceptors are potential candidates for the fabrication of highly-efficient,large-area and robust flexible all-PSCs by printing methods.

关键词： all-polymer solar cells non-conjugated polymer acceptor lager-area device printing mechanical robustness

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