Optical parameters and work function of ZneIneSneO films

Title
Optical parameters and work function of ZneIneSneO films
Authors
이승훈박효민김영도탁성주강윤묵김원목이해석김동환
Keywords
Work function; ITO; Zn-In-Sn-O; Sputter; Heterojunction solar cell
Issue Date
2015-03
Publisher
Current applied physics
Citation
VOL 15, NO 3, 238-241
Abstract
The work function behavior of Zn–In–Sn–O (ZITO) films with various Zn and Sn contents were studied. The work function increased with addition of Zn content. With further increase of Zn contents, the work function gradually decreased. The work function behavior can be investigated by (1) Fermi level position relative the carrier concentration, (2) ionization potential by the surface dipole change. The Fermi level position related the carrier concentration was calculated by Drude parameters, and ionization potential measured by UPS. As results, we confirmed that the work function of ZITO may be linked to changes in ionization potential, not carrier concentration.
URI
http://pubs.kist.re.kr/handle/201004/50396
ISSN
15671739
Appears in Collections:
KIST Publication > Article
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