Hybrid zinc oxide:Cu-phthalocyanine bulk-heterojunction photovoltaic device

The hybrid bulk-heterojunction layer composed of Ga-doped ZnO (GZO) and Cu-phthalocyanine (CuPC) semiconductors was prepared by the simultaneous evaporation system involving the electron-beam evaporation for the Ga-doped ZnO and the thermal evaporation for the Cu-phthalocyanine. A hybrid CuPC/CuPC:G...

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Veröffentlicht in:RSC advances 2014-01, Vol.4 (29), p.14956-14961
Hauptverfasser: Izaki, Masanobu, Hisamatsu, Ryo, Saito, Takamasa, Murata, Kazufumi, Sasano, Junji, Shinagawa, Tsutomu
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container_end_page 14961
container_issue 29
container_start_page 14956
container_title RSC advances
container_volume 4
creator Izaki, Masanobu
Hisamatsu, Ryo
Saito, Takamasa
Murata, Kazufumi
Sasano, Junji
Shinagawa, Tsutomu
description The hybrid bulk-heterojunction layer composed of Ga-doped ZnO (GZO) and Cu-phthalocyanine (CuPC) semiconductors was prepared by the simultaneous evaporation system involving the electron-beam evaporation for the Ga-doped ZnO and the thermal evaporation for the Cu-phthalocyanine. A hybrid CuPC/CuPC:GZO/n-ZnO photovoltaic device was constructed using electrodeposition of the n-ZnO layer followed by simultaneous evaporation techniques. The photo-assisted kelvin force microscopy (PKFM) measurements indicated that the increase in free carriers generated by the dissociation of excitons was induced by using the bulk-heterojunction structure due to the increase in heterointerface area. The CuPC/CuPC:GZO/n-ZnO photovoltaic device showed excellent rectification features and improved photovoltaic performance compared with the layered CuPC/n-ZnO photovoltaic device.
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source Royal Society Of Chemistry Journals
subjects Copper
Devices
Evaporation
Photovoltaic cells
Semiconductors
Solar cells
Zinc
Zinc oxide
title Hybrid zinc oxide:Cu-phthalocyanine bulk-heterojunction photovoltaic device
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