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Solution-processable Pyrite FeS(2) Nanocrystals for the Fabrication of Heterojunction Photodiodes With Visible to NIR Photodetection

Solution-processable Pyrite FeS(2) Nanocrystals for the Fabrication of Heterojunction Photodiodes With Visible to NIR Photodetection

Di-Yan Wang, You-Ting Jiang, Chih-Cheng Lin, Shao-Sian Li, Yaw-Tyng Wang, Chia-Chun Chen, Chun-Wei Chen

Adv Mater. 2012 Jul 3;24(25):3415-20.

PMID: 22674518

Abstract:

A heterojunction photodiode with NIR photoresponse using solution processable pyrite FeS(2) nanocrystal ink is demonstrated which has the advantages of earth-abundance and non-toxicity. The device consists of a FeS(2) nanocrystal (NC) thin film sandwiched with semiconducting metal oxides with a structure of ITO/ZnO/FeS(2) NC/MoO(3) /Au, which exhibits an excellent photoresponse with a spectral response extended to NIR wavelengths of up to 1150 nm and a high photocurrent/dark current ratio of up to 8000 at -1 V under AM1.5 illumination (100 mW cm(-2) ).

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS71440	Molybdenum oxide nanoparticle ink			Price

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