Heterostructures of Cu2−xS/Cu2−xTe plasmonic semiconductors: disappearing and reappearing LSPR with anion exchange

Alba Roselia Espinosa; Marc Novak; Qi Luo; Brandon Hole; Clarisse Doligon; Kenya Prenza Sosa; Jennifer L. Gray; Daniel P. Rossi; Katherine E. Plass

doi:10.1039/D2CC01859D

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Heterostructures of Cu_2−xS/Cu_2−xTe plasmonic semiconductors: disappearing and reappearing LSPR with anion exchange†‡

Alba Roselia Espinosa,

^a Marc Novak,^a Qi Luo,

^a Brandon Hole,

^a Clarisse Doligon,

^a Kenya Prenza Sosa,^a Jennifer L. Gray,^b Daniel P. Rossi^c and Katherine E. Plass

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Franklin & Marshall College, Lancaster, Pennsylvania 17604, USA
E-mail: kplass@fandm.edu

^b Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA

^c Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA

Abstract

Localized surface plasmon resonance (LSPR) of Cu_2−xS nanorods is quenched during the initial Cu_2−xS/Cu_2−xTe core/shell stage of anion exchange then returns as Cu_2−xTe progresses into the nanorod. Phase change within the core accounts for this behaviour illustrating the complexity emergent from anion exchange.

This article is part of the themed collection: 2022 Pioneering Investigators

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Article information

DOI: https://doi.org/10.1039/D2CC01859D
Article type: Communication
Submitted: 31 Mar 2022
Accepted: 02 Aug 2022
First published: 03 Aug 2022

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Chem. Commun., 2022,58, 9810-9813

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Heterostructures of Cu_2−xS/Cu_2−xTe plasmonic semiconductors: disappearing and reappearing LSPR with anion exchange

A. R. Espinosa, M. Novak, Q. Luo, B. Hole, C. Doligon, K. Prenza Sosa, J. L. Gray, D. P. Rossi and K. E. Plass, Chem. Commun., 2022, 58, 9810 DOI: 10.1039/D2CC01859D

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