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Semi-transparent organic/inorganic hybrid photo-detector using pentacene/ZnO diode connected to pentacene transistor

Semi-transparent organic/inorganic hybrid photo-detector using pentacene/ZnO diode connected to pentacene transistor

Authors :
Lee, Kwang H.
Park, Chan Ho
Lee, Kimoon
Ha, Taewoo
Kim, Jae Hoon
Yun, Jungheum
Lee, Gun-Hwan
Im, Seongil
Source :
Organic Electronics. Jul2011, Vol. 12 Issue 7, p1103-1107. 5p.
Publication Year :
2011

Abstract

Abstract: Semi-transparent organic–inorganic hybrid photo-detector cells were fabricated on glass substrate, composed of pentacene/ZnO photodiodes and pentacene thin-film transistors (TFTs). Semi-transparent NiO x window with a large band gap of ∼4eV was used as an ohmic electrode on 50nm-thin pentacene channel in the TFT and simultaneously on the 150nm-thick pentacene layer, which is deposited on ZnO for p–n diode, to absorb visible and ultraviolet photons from pentacene and ZnO, respectively. Our photo-detector exhibited a minimum temporal response of ∼300ms for photo-induced output voltage at −1V input and −3V supply voltage. [Copyright &y& Elsevier]

Details

Language :
English
ISSN :
15661199
Volume :
12
Issue :
7
Database :
Academic Search Index
Journal :
Organic Electronics
Publication Type :
Academic Journal
Accession number :
61176048
Full Text :
https://doi.org/10.1016/j.orgel.2011.03.025