Fabrication of nanocrystal ink based superstrate-type CuInS 2 thin film solar cells

Jin Woo Cho; Se Jin Park; Woong Kim; Byoung Koun Min

doi:10.1088/0957-4484/23/26/265401

Fabrication of nanocrystal ink based superstrate-type CuInS ₂ thin film solar cells

Jin Woo Cho, Se Jin Park, Woong Kim, Byoung Koun Min

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

A CuInS ₂ (CIS) nanocrystal ink was applied to thin film solar cell devices with superstrate-type configuration. Monodispersed CIS nanocrystals were synthesized by a colloidal synthetic route and re-dispersed in toluene to form an ink. A spray method was used to coat CIS films onto conducting glass substrates. Prior to CIS film deposition, TiO ₂ and CdS thin films were also prepared as a blocking layer and a buffer layer, respectively. We found that both a TiO ₂ blocking layer and a CdS buffer layer are necessary to generate photoresponses in superstrate-type devices. The best power conversion efficiency (1.45%) was achieved by the CIS superstrate-type thin film solar cell device with 200 and 100nm thick TiO ₂ and CdS films, respectively.

Original language	English
Article number	265401
Journal	Nanotechnology
Volume	23
Issue number	26
DOIs	https://doi.org/10.1088/0957-4484/23/26/265401
Publication status	Published - 2012 Jul 5

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.1088/0957-4484/23/26/265401

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abstract = "A CuInS 2 (CIS) nanocrystal ink was applied to thin film solar cell devices with superstrate-type configuration. Monodispersed CIS nanocrystals were synthesized by a colloidal synthetic route and re-dispersed in toluene to form an ink. A spray method was used to coat CIS films onto conducting glass substrates. Prior to CIS film deposition, TiO 2 and CdS thin films were also prepared as a blocking layer and a buffer layer, respectively. We found that both a TiO 2 blocking layer and a CdS buffer layer are necessary to generate photoresponses in superstrate-type devices. The best power conversion efficiency (1.45%) was achieved by the CIS superstrate-type thin film solar cell device with 200 and 100nm thick TiO 2 and CdS films, respectively.",

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Fabrication of nanocrystal ink based superstrate-type CuInS ₂ thin film solar cells

Abstract

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