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Title:
High-Performance Small Molecule/Polymer Ternary Organic Solar Cells Based on a Layer-By-Layer Process
Author: Chen, Weichao1; Du, Zhengkun1; Xiao, Manjun1; Zhang, Jidong2; Yang, Chunpeng1; Han, Liangliang1; Bao, Xichang1; Yang RenQiang(阳仁强)1,3
Source: ACS APPLIED MATERIALS & INTERFACES
Issued Date: 2015-10-21
Volume: 7, Issue:41, Pages:23190-23196
Keyword: ternary blend solar cells ; layer-by-layer ; small molecules ; polymers ; crystalline
DOI: 10.1021/acsami.5b07015
DOC Type: Article
English Abstract: The layer-by-layer process method, which had been used to fabricate a bilayer or bulk heterojunction organic solar cell, was developed to fabricate highly efficient ternary blend solar cells in which small molecules and polymers act as two donors. The active layer could be formed by incorporating the small molecules into the polymer based active layer via a layer-by-layer method: the small molecules were first coated on the surface of poly(3,4-ethylenedioxy-thiophene):poly(styrenesulfonate) (PEDOT:PSS), and then the mixed solution of polymer and fullerene derivative was spin-coated on top of a small molecule layer. In this method, the small molecules in crystalline state were effectively mixed in the active layer. Without further optimization of the morphology of the ternary blend, a high power conversion efficiency (PCE) of 8.76% was obtained with large short-circuit current density (J(SC)) (17.24 mA cm(-2)) and fill factor (FF) (0.696). The high PCE resulted from not only enhanced light harvesting but also more balanced charge transport by incorporating small molecules.
WOS Headings: Science & Technology ; Technology
WOS Subject: Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Subject Extended: Science & Technology - Other Topics ; Materials Science
WOS Keyword Plus: OPEN-CIRCUIT VOLTAGE ; POWER CONVERSION EFFICIENCY ; POLYMER PHOTOVOLTAIC CELLS ; CONJUGATED POLYMER ; SMALL MOLECULES ; FILL FACTOR ; BLEND ; MORPHOLOGY ; ENHANCEMENT ; ACCEPTOR
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000363438000053
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6723
Appears in Collections:先进有机功能材料团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
3.S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China

Recommended Citation:
Chen, Weichao,Du, Zhengkun,Xiao, Manjun,et al. High-Performance Small Molecule/Polymer Ternary Organic Solar Cells Based on a Layer-By-Layer Process[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(41):23190-23196.
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