Time-resolved radioluminescence of the Cu(I) cluster Cu4I62−. Different responses to photo, X-ray, β-ray and α-particle excitation

John V. Garcia; Camilo Guzman; Alexander A. Mikhailovsky; Sean Devitt; James R. Tinsley; John A. DiBenedetto; Peter C. Ford

doi:10.1039/D3CC04870E

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Time-resolved radioluminescence of the Cu(i) cluster Cu₄I₆²⁻. Different responses to photo, X-ray, β-ray and α-particle excitation†

John V. Garcia,‡^a Camilo Guzman,‡^a Alexander A. Mikhailovsky,^a Sean Devitt,^a James R. Tinsley,*^b John A. DiBenedetto*^b and Peter C. Ford

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, USA
E-mail: pcford@ucsb.edu

^b Special Technologies Laboratory, Nevada National Security Sites, 5520 Ekwill Street, Suite B, Santa Barbara, CA 93117, USA
E-mail: DibeneJA@nv.doe.gov, tinslejr@nv.doe.gov

Abstract

Time-resolved radioluminescence (TRRL) properties of the Cu(I) cluster Cu₄I₆²⁻ upon pulsed X-ray, β-ray or α-particle excitation are described. The longer (>2 μs) TRRL component displays exponential decay comparable to pulsed UV excitation; however, temporal behaviour at shorter times indicates that high local excited state density provides an alternative decay channel.

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Article information

DOI: https://doi.org/10.1039/D3CC04870E
Article type: Communication
Submitted: 01 Oct 2023
Accepted: 03 Nov 2023
First published: 03 Nov 2023

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Chem. Commun., 2023,59, 14455-14458

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Time-resolved radioluminescence of the Cu(I) cluster Cu₄I₆²⁻. Different responses to photo, X-ray, β-ray and α-particle excitation

J. V. Garcia, C. Guzman, A. A. Mikhailovsky, S. Devitt, J. R. Tinsley, J. A. DiBenedetto and P. C. Ford, Chem. Commun., 2023, 59, 14455 DOI: 10.1039/D3CC04870E

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