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Synthesis and characterization of CuZnSe2 nanocrystals in wurtzite, zinc blende and core-shell polytypes

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Show simple item record Ren, Huan Wang, Miao Li, Zhe Laffir, Fathima R. Brennan, Grace Sun, Yuanwei Stokes, Killian Geaney, Hugh O'Reilly, Emmet J. Gao, Peng Liu, Ning McCarthy, Conor T. Ryan, Kevin M. 2020-01-29T15:27:33Z 2019
dc.description peer-reviewed en_US
dc.description.abstract CuZnSe2 (CZSe) is an important ternary semiconductor comprised of earth-abundant elements with a suitable bandgap for visible light absorption and structural/stoichiometric versatility that make it a promising candidate for photovoltaic applications. Here we report the controlled synthesis of the compound copper chalcogenide in nanocrystal form using a colloidal hot injection approach. Furthermore, we demonstrate control over the crystal phase to occur as either wurtzite (WZ) or zinc blende (ZB) as a function of the presence and absence of phosphine-based ligands. A major emission peak was observed at ∼1.7 eV using low-temperature photoluminescence (PL), ranging from 30 to 200 K. Additionally, we demonstrate the ability to extend this synthetic protocol to form a polytype structure comprised of a ZB core with a WZ shell. en_US
dc.language.iso eng en_US
dc.publisher American Chemical Society en_US
dc.relation 13IA1833 en_US
dc.relation.ispartofseries Chemistry of Materials;31 (24), pp. 10085-10093
dc.rights © 2019 ACS This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemistry of Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see en_US
dc.subject terary semiconductor en_US
dc.subject crystal phases en_US
dc.title Synthesis and characterization of CuZnSe2 nanocrystals in wurtzite, zinc blende and core-shell polytypes en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1021/acs.chemmater.9b03063
dc.contributor.sponsor SFI en_US
dc.contributor.sponsor IRC en_US
dc.contributor.sponsor National Natural Science Foundation of China en_US
dc.relation.projectid 16/1A/4629 en_US
dc.relation.projectid 13/I1/1833 en_US
dc.relation.projectid IRCLA/2017/285 en_US
dc.relation.projectid 51672007 en_US 2020-11-25
dc.embargo.terms 2020-11-25 en_US
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US
dc.internal.rssid 2950581

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