Gago, SandraPessêgo, MárciaLaia, César A.T.Parola, A. Jorge2018-07-062018-07-062017-01-312470-1343PURE: 5355169PURE UUID: bb31e961-effe-4b1d-9cdb-959d26bbc528Scopus: 85028923229WOS: 000395862400015ORCID: /0000-0002-1333-9076/work/51474250ORCID: /0000-0001-6410-6072/work/110830324http://www.scopus.com/inward/record.url?scp=85028923229&partnerID=8YFLogxKThis work has been supported by the European project NMP4-SL-2012-310651 under FP7-NMP-2012-SMALL-6 and by the Associate Laboratory for Green Chemistry LAQV, which is financed by national funds from FCT/MEC (UID/QUI/50006/2013) and co-financed by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007265). This work was also supported by Fundacao para Ciencia e Tecnologia through the project PTDC/QEQ-QFI/1971/2014.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 < φf < 0.5) and strong color-contrast photochromic pigments finely tunable over a large pH range (1 < pH < 11).51544540engZINC PHTHALOCYANINESILICADYE2-HYDROXYCHALCONESSURFACTANTMICELLESSYSTEMWATERGeneral Chemical EngineeringGeneral Chemistryjournal article10.1021/acsomega.6b00381https://www.scopus.com/pages/publications/85028923229