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题名: Enhanced performance of polymer solar cells by employing a ternary cascade energy structure
作者: An, Qiaoshi1;  Zhang, Fujun1;  Li, Lingliang1;  Zhuo, Zuliang1;  Zhang, Jian2;  Tang, Weihua3;  Teng, Feng1
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2014
DOI: 10.1039/c4cp01411a
卷: 16, 期:30, 页:16103-16109
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: We present a route to successfully tackle the two main limitations, low open circuit voltage (V-oc) and limited short circuit-density (J(sc)), of polymer solar cells (PSCs) based on poly(3-hexylthiophene) (P3HT) as an electron-donor. The indene-C60 bisadduct (ICBA) was selected as an electron acceptor to improve the open circuit voltage (V-oc). The narrow band gap polymer poly[(4,8-bis-(2-ethylhexyloxy)-benzo[1,2-b: 4,5-b']dithiophene)-2,6-diyl-alt-(4-(2-ethylhexanoyl)-thieno[3,4-b] thiophene)-2,6-diyl] (PBDTTT-C), as a complementary electrondonor material, was doped into the host system of P3HT: ICBA to form ternary cascade energy structured PSCs with increased Jsc. The power conversion efficiency (PCE) of P3HT: ICBA-based cells was improved from 3.32% to 4.38% by doping with 3 wt% PBDTTT-C with 1 min 150 degrees C annealing treatment. The 4.38% PCE of ternary PSCs is still larger than the 3.79% PCE of PSCs based on P3HT: ICBA with 10 minutes 150 degrees C annealing treatment.
关键词[WOS]: ORGANIC PHOTOVOLTAIC DEVICES ;  IR SENSITIZATION ;  BISADDUCT ;  P3HT/PCBM ;  ACCEPTOR ;  DONOR ;  LAYER ;  IMPROVEMENT ;  MORPHOLOGY ;  BLENDS
语种: 英语
WOS记录号: WOS:000339628400044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145620
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Beijing Jiaotong Univ, Minist Educ, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Nanjing Univ Sci & Technol, Minist Educ, Key Lab Soft Chem & Funct Mat, Nanjing 210094, Peoples R China

Recommended Citation:
An, Qiaoshi,Zhang, Fujun,Li, Lingliang,et al. Enhanced performance of polymer solar cells by employing a ternary cascade energy structure[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2014,16(30):16103-16109.
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