ICCAS OpenIR
Solution processable D-A-D molecules based on triphenylamine for efficient organic solar cells
Shang, Huixia1,2,3; Fan, Haijun1,2,3; Shi, Qinqin1,2,3; Li, Shuo1,2; Li, Yongfang1,2; Zhan, Xiaowei1,2
2010-03-01
Source PublicationSOLAR ENERGY MATERIALS AND SOLAR CELLS
ISSN0927-0248
Volume94Issue:3Pages:457-464
AbstractTwo new D-A-D molecules containing triphenylamine (donor), benzothiadiazole (acceptor) and thiophene (bridge) units - single-bond (P1) and double-bond (P2) linked - have been synthesized for application in solution-processed organic solar cells (OSCs). The thermal, absorption, emission, and electrochemical properties of the molecules were examined; the effect of the link pattern was studied. P1 is crystalline, while P2 is amorphous. Both compounds possess excellent thermal stability with decomposition temperatures over 370 degrees C. Compared to P1, P2 exhibits red-shifted and broader absorption and red-shifted emission. Their LUMO levels (ca. -3.0 to -3.1 eV) are similar, while the HOMOs (-4.9 to -5.2 eV) are a little more sensitive to the link pattern. OSCs were fabricated based on the blend of P1 or P2 and soluble fullerene derivatives PC(61)BM or PC(71)BM. The OSCs based on P1:PC(61)BM exhibit higher open circuit Voltage and higher power conversion efficiency (PCE) than that for P2:PC(61)BM, which is attributed to the lower HOMO level of P1. The OSCs based on P1:PC(71)BM (1:3, w/w) yielded a PCE of 1.23% under simulated AM 1.5, 100 mW/cm(2) irradiation. (C) 2009 Elsevier B.V. All rights reserved.
KeywordOrganic Solar Cells D-a-d Molecules Triphenylamine Solution Process
DOI10.1016/j.solmat.2009.11.005
Indexed BySCI
Language英语
WOS IDWOS:000275073000012
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:61[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69662
Collection中国科学院化学研究所
Corresponding AuthorZhan, Xiaowei
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Key Lab Organ Solids, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Shang, Huixia,Fan, Haijun,Shi, Qinqin,et al. Solution processable D-A-D molecules based on triphenylamine for efficient organic solar cells[J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS,2010,94(3):457-464.
APA Shang, Huixia,Fan, Haijun,Shi, Qinqin,Li, Shuo,Li, Yongfang,&Zhan, Xiaowei.(2010).Solution processable D-A-D molecules based on triphenylamine for efficient organic solar cells.SOLAR ENERGY MATERIALS AND SOLAR CELLS,94(3),457-464.
MLA Shang, Huixia,et al."Solution processable D-A-D molecules based on triphenylamine for efficient organic solar cells".SOLAR ENERGY MATERIALS AND SOLAR CELLS 94.3(2010):457-464.
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