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题名: Edge-to-face stacking non-fullerene small molecule acceptor for bulk heterojunction solar cells
作者: Wu, Qichao1; Li, Ling1; Hai, Jiefeng1; Zhang, Xin2; Lu, Zhenhuan1; Yang, Jianwen1; Liu, Yongping1; Zhang, Lingzhi1; Zhan, Chuanlang1
关键词: Non-fullerene ; Perylene ; Small molecule acceptor ; Organic solar cells ; Edge-to-face interaction
刊名: DYES AND PIGMENTS
发表日期: 2016-09-01
卷: 132, 页:41-47
收录类别: SCI
英文摘要: Synthesis of a novel small molecule accepter with perylenediimide linked through thiophene ring with triphenylamine is described. Introducing thiophene unit leads to extending the molecular absorption spectrum to the range of 330 nm-700 nm. The molecule showed the lowest unoccupied molecular orbital level (LUMO) of -3.80 eV and the highest occupied molecular orbital level (HOMO) of -5.60 eV. The X-ray Diffraction (XRD) spectra confirmed that the molecule self-assemble in the solid phase by edge-to-face aromatic interaction, and the addition of 1, 8-diiodooctane in the solvent can adjust its stacking, and thus improve the crystallinity and electron mobility. Solution-processed bulk-hetero-junction organic solar cells constructed using the small molecule as acceptor and the polymer of PBDTTTC-T as donor showed the best efficiency of 1.92%. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35533
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Guilin Univ Technol, Coll Chem & Bioengn, Guangxi Key Lab Electrochem & Magnetochem Funct M, Guilin 541004, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Photochem, Beijing 100190, Peoples R China
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