Enhanced charge collection via nanoporous morpology in polymer solar cells

Title
Enhanced charge collection via nanoporous morpology in polymer solar cells
Authors
이행근전지혜왕동환박오옥김재경임상혁박종혁
Issue Date
2010-03
Publisher
Applied physics letters
Citation
VOL 96, NO 10, 103304-1-103304-3
Abstract
We demonstrated a simple and nonlithographic method that enlarges the active layer/metal electrode contact area in polymer solar cells by adding the thermal initiator 2,2'-azobisisobutyronitrile (AIBN) as a nanohole generating agent. From diffused light spectra and x-ray diffraction measurements, it is found that device performance enhancement comes not from a change in the charge carrier generation or transportation characteristics but from increased charge carrier collection due to the reduced contact resistance and shortened pathway to the electrode caused by enlarged interface area.
URI
http://pubs.kist.re.kr/handle/201004/37415
ISSN
0003-6951
Appears in Collections:
KIST Publication > Article
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