Issue 4, 2006
From the journal:

Journal of Materials Chemistry

Effects of functional groups at perylene diimide derivatives on organic photovoltaic device application

Won Suk Shin,*a   Hwan-Hee Jeong,a   Mi-Kyoung Kim,a   Sung-Ho Jin,*a   Mi-Ra Kim,a   Jin-Kook Lee,b   Jae Wook Leec  and  Yeong-Soon Gald  

* Corresponding authors

a Department of Chemistry Education and Center for Plastic Information System, Pusan National University, Busan 609-735, Korea
E-mail: shinws@pusan.ac.kr, shjin@pusan.ac.kr
Fax: +82 51 581 2348
Tel: +82 51 510 3524

b Department of Polymer Science and Engineering, Pusan National University, Busan 609-735, Korea

c Department of Chemistry, Dong-A University, Busan 604-714, Korea

d Polymer Chemistry Lab., Kyungil University, Hayang 712-701, Korea

Abstract

Four soluble perylene diimide derivatives (PDIs) have been prepared and their UV–visible and photoluminescence (PL) spectroscopy, cyclic voltammetry (CV) and thermal properties were studied. ITO/PEDOT∶PSS/poly(3-hexylthiophene) (P3HT)∶PDIs/LiF/Al photovoltaic devices were fabricated with PDIs as electron accepting and transporting materials. The highest incident photon-to-current conversion efficiency (IPCE) of 19% at 495 nm and the power conversion efficiency (PCE) of 0.18% under AM 1.5 (100 mW cm−2) with a short-circuit current density (JSC) of 1.32 mA cm−2, an open circuit voltage (VOC) of 0.36 V, and a fill factor (FF) of 0.38 have been achieved with 1 ∶ 4 ratio of P3HT ∶ N,N′-di(1-nonadecyl)perylene-3,4,9,10-bis(dicarboximide) (PDI-C9) after annealing at 80 °C for 1 h. 1,7-Bis(N-pyrrolidinyl)-N,N′-dicyclohexyl-3,4,9,10-perylenebis(dicarboximide) (5-PDI), which has the electron donating pyrrolidinyl group, absorbed the long wavelength region to give IPCE onset higher than 750 nm and the pyrrolidinyl group also raised the LUMO level of 5-PDI to render the high VOC (up to 0.71 V) in photovoltaic device.

Graphical abstract: Effects of functional groups at perylene diimide derivatives on organic photovoltaic device application

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Article information

DOI
https://doi.org/10.1039/B512983D
Article type
Paper
Submitted
13 Sep 2005
Accepted
01 Nov 2005
First published
16 Nov 2005

J. Mater. Chem., 2006,16, 384-390

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Effects of functional groups at perylene diimide derivatives on organic photovoltaic device application

W. S. Shin, H. Jeong, M. Kim, S. Jin, M. Kim, J. Lee, J. W. Lee and Y. Gal, J. Mater. Chem., 2006, 16, 384 DOI: 10.1039/B512983D

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