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题名: Graphdiyne: An Efficient Hole Transporter for Stable High-Performance Colloidal Quantum Dot Solar Cells
作者: Jin, Zhiwen1; Yuan, Mingjian2; Li, Hui1; Yang, Hui1; Zhou, Qing1; Liu, Huibiao1; Lan, Xinzheng2; Liu, Mengxia2; Wang, Jizheng1; Sargent, Edward H.2; Li, Yuliang1
刊名: ADVANCED FUNCTIONAL MATERIALS
发表日期: 2016-08-02
卷: 26, 期:29, 页:5284-5289
收录类别: SCI
英文摘要: Graphdiyne, a novel large pi-conjugated carbon hole transporting material, is employed as anode buffer layer in colloidal quantum dots solar cells. Power conversion efficiency is notably enhanced to 10.64% from 9.49% compared to relevant reference devices. Hole transfer from the quantum dot solid active layer to the anode can be appreciably enhanced only by using graphdiyne to lower the work function of the colloidal quantum dot solid. It is found that the all-carbon buffer layer prolongs the carrier lifetime, reducing surface recombination on the previously neglected back side of the photovoltaic device. Remarkably, the device also shows high long-term stability in ambient air. The results demonstrate that graphdiyne may have diverse applications in enhancing optoelectronic devices.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35355
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
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