Organic photovoltaic cell using near-infrared absorbing nickel complex

被引：0

作者：

Enokido, Fuka ^{[1
]}

Katayama, Mikimasa ^{[1
]}

Kaji, Toshihiko ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Dept Appl Phys, Koganei, Tokyo 1848588, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 03期

基金：

日本科学技术振兴机构;

关键词：

CONJUGATED POLYMER; EXCITON DIFFUSION; EFFICIENCY; CONVERSION;

D O I：

10.7567/JJAP.57.03EJ05

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Bis(dithiobenzil)nickel (BDBN) is well known as a stable material that absorbs long-wavelength light. However, there are no reports, to the best of our knowledge, about photovoltaic cells fabricated with this material. The purpose of this paper is to examine the reason for this. Although the charge separation between C-60 and BDBN was confirmed by the analysis of photoluminescence spectra, the short-circuit current density (JSC) of the C-60/BDBN cells was very low. By investigating charge transport, we found that BDBN is an ambipolar material. In order to reduce the ambipolarity, a MoO3 layer was added to the BDBN layer. The resultant changes in JSC and photoluminescence spectra confirmed that the ambipolarity of BDBN caused low efficiency. (C) 2018 The Japan Society of Applied Physics

引用

页数：4

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