Characteristics of silicon nanocrystals for photovoltaic applications

Moore, D., Krishnamurthy, S., Chao, Yimin ORCID: https://orcid.org/0000-0002-8488-2690, Wang, Q., Brabazon, D. and McNally, P. J. (2011) Characteristics of silicon nanocrystals for photovoltaic applications. physica status solidi a, 208 (3). pp. 604-607. ISSN 0031-8965

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Abstract

Over the last decade the progress in amorphous and nanocrystalline silicon (nc-Si) for photovoltaic applications received significant interest in science and technology. Advances in the understanding of these novel materials and their properties are growing rapidly. In order to realise nc-Si in the solar cell, a thicker intrinsic layer is required. Due to the indirect band gap in the crystallites, the absorption coefficients of nc-Si are much lower. In this work we have used electrochemical etching techniques to produce silicon nanocrystals of the sizes 3–5?nm. Viable drop cast deposition of Si nanocrystals to increase the thickness without compromising the material properties was investigated by atomic force microscopy, optical microscopy, photoemission spectroscopy and optical absorption methods.

Item Type:	Article
Uncontrolled Keywords:	sdg 7 - affordable and clean energy ,/dk/atira/pure/sustainabledevelopmentgoals/affordable_and_clean_energy
Faculty \ School:	Faculty of Science > School of Chemistry
UEA Research Groups:	Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Materials and Catalysis Faculty of Science > Research Groups > Energy Materials Laboratory
Depositing User:	Rachel Smith
Date Deposited:	21 Mar 2011 12:16
Last Modified:	23 Oct 2022 00:44
URI:	https://ueaeprints.uea.ac.uk/id/eprint/26760
DOI:	10.1002/pssa.201000381

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