Solution-processed polymer-free photovoltaic devices consisting of PbSe colloidal quantum dots and tetrabenzoporphyrins

被引：38
|
作者：
Kikuchi, Einosuke [1 ]
Kitada, Seiki [1 ]
Ohno, Akira [2 ]
Aramaki, Shinji [2 ]
Maenosono, Shinya [1 ]
机构：
[1] Japan Adv Inst Sci & Technol, Nomi, Ishikawa 9231292, Japan
[2] Mitsubishi Chem Grp Sci & Technol Res Ctr Inc, Aoba Ku, Yokohama, Kanagawa 2278502, Japan
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 17期
关键词：
D O I：
10.1063/1.2920166
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Polymer-free photovoltaic devices were fabricated via a solution process using PbSe colloidal quantum dots and an organic semiconductor, tetrabenzoporphyrin, that can be derived from a soluble precursor. Flat heterojunction (FHJ) and bulk heterojunction (BHJ) devices were fabricated and the current-voltage characteristics of the devices were measured. Consequently, we observed photovoltaic conversion for both devices and found the energy conversion efficiency of the BHJ device (1.8x10(-3)%) is 40 times that of the FHJ device under 100 mW cm(-2) illumination at 800 nm. (c) 2008 American Institue of Physics.
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