Electrochemical Infilling of CuInSe2 within TiO2 Nanotube Layers and Subsequent Photoelectrochemical Studies

Das, Sayantan; Sopha, Hanna; Krbal, Miloš; Zazpe, Raul; Podzemná, Veronika; Přikryl, Jan; Macák, Jan M.

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Electrochemical Infilling of CuInSe2 within TiO2 Nanotube Layers and Subsequent Photoelectrochemical Studies

Das, Sayantan; Sopha, Hanna; Krbal, Miloš; Zazpe, Raul; Podzemná, Veronika; Přikryl, Jan; Macák, Jan M.

10.1 002/celc.201600763

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URI: http://hdl.handle.net/10195/66919

Datum publikování: 2017

Document type: Article

xmlui.ArtifactBrowser.SimpleSearch.filter.source: ChemElectroChem. 2017, vol. issue

ISSN: 2196-0216

Publisher version: http://onlinelibrary.wiley.com/doi/10.1002/celc.201600763/epdf

Abstract:

Anodic self-organized TiO2 nanotube layers (with different aspect ratios) were electrochemically infilled with CuInSe2 nanocrystals with the aim to prepare heterostructures with a photoelectrochemical response in the visible light. The resulting heterostructure assembly was confirmed by field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). High incident photon-to-electron conversion efficiency values exceeding 55% were obtained in the visible-light region. The resulting heterostructures show promise as a candidate for solid-state solar cells.

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