期刊
JOURNAL OF ENERGY CHEMISTRY
卷 43, 期 -, 页码 98-103出版社
ELSEVIER
DOI: 10.1016/j.jechem.2019.08.015
关键词
Perovskite solar cell; Hole transport material; Mesoporous; Indaceno[1,2-b:5,6-b ']-bldithiophene
资金
- National Natural Science Foundation of China [21805114]
- Natural Science Foundation of Jiangsu province [BK20180867, BK20180869]
- China Postdoctoral Science Foundation [2019M651741]
- Six talent peaks project in Jiangsu province [XNY066]
- Jiangsu University Foundation [17JDG032, 17JDG031]
- High-tech Research Key laboratory of Zhenjiang [SS2018002]
- high-performance computing platform of Jiangsu University
- Priority Academic Program Development of Jiangsu Higher Education Institutions
Two novel hole transport materials (HTMs) with indaceno[1,2-b:5,6-b']dithiophene (IDT) as core building blocks, termed IDT1 and IDT2, were designed and synthesized. The side alkyl chains were introduced to regulate and control the morphology and stacking behavior of HTMs, and the peripheral triarylamine arms were introduced to adjust the energy levels and to facilitate efficient hole transport. Applied in mesoporous structured perovskite solar cells (PSCs), HTM IDT1 achieved higher power conversion efficiency (PCE, 19.55%) and better stability than Spiro-OMeTAD (19.25%) and IDT2 (15.77%) based PSC. These results suggest the potential of IDT1 as a promising HTM for PSCs. (C) 2019 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
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