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A comparative study of the photovoltaic performances of terpolymers and ternary systems
Genene, Zewdneh1,3; Wang, Junyi2; Xu, Xiaofeng3; Yang, Renqiang2; Mammo, Wendimagegn1; Wang, Ergang3
2017
发表期刊RSC ADVANCES
卷号7期号:29页码:17959-17967
摘要Random terpolymers were synthesized from the electron-rich unit thiophene as the donor and two electron-deficient units with complementary absorption as the acceptor. Polymer solar cells (PSCs) fabricated from these terpolymers were compared with those fabricated from the ternary blends of two alternating polymers to explore the best strategy for extending the light absorption range. The two approaches showed similar open-circuit voltages (Voc) but different short-circuit current densities (Jsc). The terpolymer strategy broadened the light absorption range and provided a high power conversion efficiency (PCE) of 5.8%. This is due to a high Jsc and high hole mobility. The device fabricated from the ternary blend exhibited a lower PCE (3.5%) compared to those fabricated from the terpolymers and alternating polymer blends due to the morphological incompatibility of the donor polymers. Our results illustrate the potential of the terpolymer systems as a promising strategy to effectively increase the light absorption and thereby performance of PSCs by combining two morphologically incompatible polymers.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c7ra01418j
关键词[WOS]POLYMER SOLAR-CELLS ; OPEN-CIRCUIT VOLTAGE ; ORGANIC PHOTOVOLTAICS ; 2-ACCEPTOR COPOLYMERS ; CONJUGATED POLYMERS ; BANDGAP POLYMERS ; ACCEPTOR ; DONOR ; EFFICIENCY ; CRYSTALLINITY
收录类别SCI
语种英语
WOS研究方向Chemistry
项目资助者Swedish Research Council ; Swedish Research Council Formas and Chalmers Area of Advance Energy ; International Science Programme, Uppsala University, Sweden ; People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme (FP7) under REA grant(608743)
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000399005200049
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文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9289
专题先进有机功能材料研究组
作者单位1.Addis Ababa Univ, Dept Chem, POB 33658, Addis Ababa, Ethiopia
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
3.Chalmers, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden
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Genene, Zewdneh,Wang, Junyi,Xu, Xiaofeng,et al. A comparative study of the photovoltaic performances of terpolymers and ternary systems[J]. RSC ADVANCES,2017,7(29):17959-17967.
APA Genene, Zewdneh,Wang, Junyi,Xu, Xiaofeng,Yang, Renqiang,Mammo, Wendimagegn,&Wang, Ergang.(2017).A comparative study of the photovoltaic performances of terpolymers and ternary systems.RSC ADVANCES,7(29),17959-17967.
MLA Genene, Zewdneh,et al."A comparative study of the photovoltaic performances of terpolymers and ternary systems".RSC ADVANCES 7.29(2017):17959-17967.
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