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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/24855

Title: P-N Junction Passivation in Kesterite Solar Cells by Use of Solution-Processed TiO2 Layer
Authors: Ranjbar, Samaneh
Hadipour, Afshin
Vermang, Bart
Batuk, Maria
Hadermann, Joke
Garud, Siddhartha
Sahayaraj, Sylvester
Meuris, Marc
Brammertz, Guy
da Cunha, Antonio F.
Poortmans, Jef
Issue Date: 2017
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation: IEEE JOURNAL OF PHOTOVOLTAICS, 7(4), p. 1130-1135
Abstract: In this work, we used a solution-processed TiO2 layer between Cu2ZnSnSe4 and CdS buffer layer to reduce the recombination at the p-n junction. Introducing the TiO2 layer showed a positive impact on VOC but fill factor and efficiency decreased. Using a KCN treatment, we could create openings in the TiO2 layer, as confirmed by transmission electron microscopy measurements. Formation of these openings in the TiO2 layer led to the improvement of the short-circuit current, fill factor, and the efficiency of the modified solar cells.
Notes: [Ranjbar, Samaneh; Hadipour, Afshin; Vermang, Bart; Garud, Siddhartha; Sahayaraj, Sylvester; Poortmans, Jef] Imec Partner Solliance, B-3001 Leuven, Belgium. [Ranjbar, Samaneh; Vermang, Bart; Garud, Siddhartha; Sahayaraj, Sylvester; Poortmans, Jef] Katholieke Univ Leuven, Dept Elect Engn, B-3001 Heverlee, Belgium. [Ranjbar, Samaneh; Vermang, Bart; Garud, Siddhartha; Sahayaraj, Sylvester; Meuris, Marc; Brammertz, Guy; Poortmans, Jef] IMEC, Div IMOMEC Partner Solliance, B-3590 Diepenbeek, Belgium. [da Cunha, Antonio F.] Univ Aveiro, Dept Fis, I3N, P-3810193 Aveiro, Portugal. [Vermang, Bart; Sahayaraj, Sylvester; Meuris, Marc; Brammertz, Guy; Poortmans, Jef] Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium. [Batuk, Maria] Univ Antwerp, Electron Microscopy Mat Sci, B-2020 Antwerp, Belgium. [Garud, Siddhartha] Delft Univ Technol, NL-2628 CD Delft, Netherlands.
URI: http://hdl.handle.net/1942/24855
DOI: 10.1109/JPHOTOV.2017.2692208
ISI #: 000404258900026
ISSN: 2156-3381
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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