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Description:

A family of (alkylsilyl)pyrene-1-carboxamides exhibits similar mechanofluorochromic responses upon grinding. However, their spontaneous fluorescence recovery processes are distinct despite their similarity in chemical structures, and crystal packings. Photospectroscopy, crystallography, and nanomechanical tests revealed that the chromic direction is dominated by the packing motif, while the fluorescence recovery was driven by the intermolecular interactions and the reversibility of deformation.

Rights:

• https://creativecommons.org/licenses/by-nc/3.0/legalcode
  

Keyword: Luminescence, Pyrene, Mechanochromic, Nanoindentation

Date published: 2024-01-19

Publisher: Royal Society of Chemistry (RSC)

Journal:

• Journal of Materials Chemistry C (ISSN: 20507526) vol. 12 issue. 6 p. 1952-1957

Funding:

• Japan Society for the Promotion of Science 22K14661
• H2020 European Research Council No. 715757

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1039/d3tc03968d

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Updated at: 2024-06-28 08:30:12 +0900

Published on MDR: 2024-06-28 08:30:12 +0900