Issue 18, 2013
From the journal:

Journal of Materials Chemistry A

CdSe nanowire solar cells using carbazole as a surface modifier†

Hyunbong Choi,a   Masaru Kuno,a   Gregory V. Hartlanda  and  Prashant V. Kamat*a  

* Corresponding authors

a Radiation Laboratory, Departments of Chemistry and Biochemistry and Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, USA
E-mail: pkamat@nd.edu

Abstract

Carbazole molecules containing thiol functional groups, when attached to CdSe nanowires (NWs), facilitate hole transport across semiconductor interfaces. The improved hole transfer rate is evidenced by increased electron lifetimes and better photovoltaic performance. Nanowire solar cells (NWSCs) with carbazole treatment delivered a power conversion efficiency of 0.46%, which is an order of magnitude improvement over untreated films. The illumination of the sample during the electrophoretic deposition of nanowires also had a profound effect in obtaining stable and higher photocurrents.

Graphical abstract: CdSe nanowire solar cells using carbazole as a surface modifier

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Article information

DOI
https://doi.org/10.1039/C3TA10387K
Article type
Communication
Submitted
25 Jan 2013
Accepted
22 Mar 2013
First published
22 Mar 2013

J. Mater. Chem. A, 2013,1, 5487-5491

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CdSe nanowire solar cells using carbazole as a surface modifier

H. Choi, M. Kuno, G. V. Hartland and P. V. Kamat, J. Mater. Chem. A, 2013, 1, 5487 DOI: 10.1039/C3TA10387K

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