Indolocarbazole based small molecules: an efficient hole transporting material for perovskite solar cells

Title
Indolocarbazole based small molecules: an efficient hole transporting material for perovskite solar cells
Authors
Iseul LimEun-Kyung Kim,Supriya A. PatilDo Young AhnWonjoo LeeNabeen K. Shrestha이중기Won K. SeokCheon-Gyu ChoSung-Hwan Han
Keywords
indolocarbazole; efficient hole transporting; perovskite; solar cell
Issue Date
2015-05
Publisher
RSC advances
Citation
VOL 5, NO 68, 55321-55327
Abstract
To date, Spiro-OMeTAD, which is an expensive organic compound, has been used as the benchmark hole transporting material (HTM) in perovskite based solid state solar cells. Development of an inexpensive HTM with competitive performance to Spiro-OMeTAD is therefore significantly important for the commercialization of perovskite cells. Herein, an indolocarbazole based small molecule derivative (C12-carbazole) has been introduced as an environmentally stable, cost effective and highly efficient HTM. In contrast to the power conversion efficiency of 9.62% exhibited by the Spiro-OMeTAD based solid state solar cell, the C12-carbazole based device under the same experimental conditions has demonstrated an enhanced power conversion efficiency of 11.26%. The improved photovoltaic performance of the C12-carbazole based device is attributed to reduced carrier recombination by a better hole extraction ability of the C12-carbazole, which has demonstrated remarkably higher hole mobility compared to Spiro-OMeTAD.
URI
http://pubs.kist.re.kr/handle/201004/50683
ISSN
20462069
Appears in Collections:
KIST Publication > Article
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE