pH-Tunable Fluorescence and Photochromism of a Flavylium-Based MCM-41 Pigment | Zendy

Sandra Gago | Zendy; Márcia Pessêgo | Zendy; César A. T. Laia | Zendy; A. Jorge Parola | Zendy

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pH-Tunable Fluorescence and Photochromism of a Flavylium-Based MCM-41 Pigment

Author(s) -

Sandra Gago,

Márcia Pessêgo,

César A. T. Laia,

A. Jorge Parola

Publication year - 2017

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.6b00381

Subject(s) - photochromism , bromide , mesoporous silica , fluorescence , photochemistry , luminescence , chemistry , mesoporous material , phase (matter) , pigment , chemical engineering , materials science , organic chemistry , optics , catalysis , optoelectronics , physics , engineering

Incorporation of flavylium-derived chalcones in the cetyltrimethylammonium bromide-templated synthesis of mesoporous silica particles with no subsequent removal of the micellar phase leads to high luminescence (0.3 < ϕ f < 0.5) and strong color-contrast photochromic pigments finely tunable over a large pH range (1 < pH < 11).

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