Engineering high-performance and air-stable PBTZT-stat-BDTT-8:PC61BM/PC71BM organic solar cells

被引：24

作者：

Jeon, Il ^{[1
]}

Sakai, Ryohei ^{[2
]}

Seo, Seungju ^{[1
]}

Morse, Graham E. ^{[3
]}

Ueno, Hiroshi ^{[4
]}

Nakagawa, Takafumi ^{[1
]}

Qian, Yang ^{[1
]}

Maruyama, Shigeo ^{[1
,5
]}

Matsuo, Yutaka ^{[1
,6
]}

机构：

[1] Univ Tokyo, Sch Engn, Dept Mech Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[2] Fujipream Corp, 38-1 Shikisai, Himeji, Hyogo 6712216, Japan

[3] Merck Chem Ltd, Chilworth Tech Ctr, Univ Pkwy, Southampton SO16 7QD, Hants, England

[4] Northeast Normal Univ, Sch Chem, Changchun 130024, Jilin, Peoples R China

[5] Natl Inst Adv Ind Sci & Technol, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan

[6] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 14期

基金：

日本学术振兴会;

关键词：

POWER CONVERSION EFFICIENCY; VERTICAL PHASE-SEPARATION; ELECTRON-TRANSPORT LAYER; PHOTOVOLTAIC DEVICES; PTB7; ACCEPTOR; SOLVENT; METHANOFULLERENE; AGGREGATION; SOLUBILITY;

D O I：

10.1039/c7ta11095b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

High-performance air-stable PBTZT-stat-BDTT-8 organic solar cells were fabricated using mixed C-60/C-70 fullerene acceptors. Normal-architecture devices using PBTZT-stat-BDTT-8 with PC71BM produced a power conversion efficiency (PCE) of 9.38%. An inverted-architecture, which possesses higher stability, was fabricated using a more economical PC61BM and PC71BM mixture with solution-processed PEDOT:PSS on top and produced a PCE of 8.15%. Exploiting the viscous nature of PBTZT-stat-BDTT-8, the slow evaporation effect was utilised to achieve an even higher efficiency of 8.73%. A stability test was conducted under operating conditions and our devices showed remarkably higher stability compared with PTB7-based devices.

引用

页码：5746 / 5751

页数：6

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