Stable and efficient star-shaped hole transporting materials with EDOT moiety as side arm for perovskite solar cells

被引：21
|
作者：
Choi, Hyeju [1 ]
Ko, Haye Min [2 ]
Ko, Jaejung [1 ]
机构：
[1] Korea Univ, Dept Adv Mat Chem, Sejong Campus,Sejong Ro 2511, Sejong City 339700, South Korea
[2] Wonkwang Univ, Dept Bionano Chem, 460 Iksandae, Jeonbuk 54538, South Korea
来源：
DYES AND PIGMENTS | 2016年 / 126卷
基金：
新加坡国家研究基金会;
关键词：
Perovskite; Hole transporting materials; 3,4-Ethylenedioxythiophene; Solar cells; Organic semiconductor; Triphenylamine derivartives; PERFORMANCE; DERIVATIVES; CONDUCTORS; DEPOSITION; ACCEPTOR; DONOR;
D O I：
10.1016/j.dyepig.2015.11.025
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Two novel star-shaped hole transporting materials (HTMs). i.e. [BMPA-EDOT](3)-TPA and [BMPA-BTD](3)-TPA with EDOT or BTD moiety as side arm have been designed and synthesized. The optical and electronic properties of these HTMs were modified by changing the side arms. Surprisingly, the cell performance was dependent on the moietys such as EDOT or BTD of side arms. Perovskite solar cells with [BMPAEDOT](3)-TPA gave a short circuit photocurrent density (J(sc)) of 21.01 mA cm(-2), an open circuit voltage (V-oc) of 0.916 V, and a fill factor (ff) of 0.67, corresponding to an overall conversion efficiency of 12.92%. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：179 / 185
页数：7
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