Colloidal quasi-one-dimensional dual semiconductor core/shell nanorod couple heterostructures with blue fluorescence

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Chen, Dechao
Wang, Aixiang
Li, Hongbo
Galan, Laura Abad
Su, Cong
Yin, Zongyou
Massi, Massimiliano
Suvorova, Alexandra
Saunders, Martin
Li, Ju
Sitt, Amit
Jia, Guohua
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2019
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Abstract

Herein we report a nanorod couple heterostructure made of dual semiconductors, in which two parallelly aligned ZnSe nanorods are connected by the growth of ZnS on both end and side facets, producing hetero-ZnS (short arms)-ZnSe (long arms)/ZnS shell nanorod couples. As evidenced by electronic structure studies, both experimental and theoretical, such core/shell nanorod couple heterostructures can act as a platform to precisely tailor the quantum confinement of charge carriers between the constituting components within a single nano-object, generating blue fluorescence after the overgrowth of an alloyed ZnCdS layer on the heterostructures. We foresee the mechanistic insights gained and electronic structures revealed in this work would shed light on the rational design of more complex heterostructures with novel functionalities.

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Nanoscale

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11

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21

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© 2019 Royal Society of Chemistry. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal website for access to the definitive, published version.

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Physical sciences

Chemical sciences

Science & Technology

Chemistry, Multidisciplinary

Nanoscience & Nanotechnology

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Chen, D; Wang, A; Li, H; Galan, LA; Su, C; Yin, Z; Massi, M; Suvorova, A; Saunders, M; Li, J; Sitt, A; Jia, G, Colloidal quasi-one-dimensional dual semiconductor core/shell nanorod couple heterostructures with blue fluorescence, Nanoscale, 2019, 11 (21), pp. 10190-10197

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