Heterogeneous polarity and surface acidity of silica-organic materials with fixed 1-n-propyl-3-methylimidazolium chloride as probed by solvatochromic and fluorescent dyes

Heterogeneous polarity and surface acidity of silica-organic materials with fixed... Colloids and Surfaces A 538 (2018) 280–286 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research Paper Heterogeneous polarity and surface acidity of silica-organic materials with fixed 1-n-propyl-3-methylimidazolium chloride as probed by solvatochromic and fluorescent dyes a a a a a I.V. Khristenko , A.V. Panteleimonov , R. Yu. Iliashenko , A.O. Doroshenko , V.V. Ivanov , a, b a O.S. Tkachenko , E.V. Benvenutti , Yu. V. Kholin V. N. Karazin Kharkiv National University, Kharkiv 61022, Ukraine Federal University of Rio Grande do Sul (UFRGS), CP 15003, Porto Alegre, RS, Brazil GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: A new silica-organic hybrid material with fixed ionic liquid 1-n-propyl-3-methylimidazolium chloride has been 2 −1 Hybrid xerogel synthesized by the sol-gel method. Its specific surface area is 22 m g , average pore diameter is 8 nm and pore 3 −1 13 Probing volume is 0.05 cm g . According to the results of C NMR spectroscopy, the fixed 1-n-propyl-3-methylimi- Solvatochromic indicators dazolium cationic group is bound with the siloxane framework via one SieC covalent bond. Properties of the Fluorescent indicators new material were compared with that of its analog, silica with the same http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Colloids and Surfaces A: Physicochemical and Engineering Aspects Elsevier

Heterogeneous polarity and surface acidity of silica-organic materials with fixed 1-n-propyl-3-methylimidazolium chloride as probed by solvatochromic and fluorescent dyes

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0927-7757
eISSN
1873-4359
D.O.I.
10.1016/j.colsurfa.2017.11.018
Publisher site
See Article on Publisher Site

Abstract

Colloids and Surfaces A 538 (2018) 280–286 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research Paper Heterogeneous polarity and surface acidity of silica-organic materials with fixed 1-n-propyl-3-methylimidazolium chloride as probed by solvatochromic and fluorescent dyes a a a a a I.V. Khristenko , A.V. Panteleimonov , R. Yu. Iliashenko , A.O. Doroshenko , V.V. Ivanov , a, b a O.S. Tkachenko , E.V. Benvenutti , Yu. V. Kholin V. N. Karazin Kharkiv National University, Kharkiv 61022, Ukraine Federal University of Rio Grande do Sul (UFRGS), CP 15003, Porto Alegre, RS, Brazil GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: A new silica-organic hybrid material with fixed ionic liquid 1-n-propyl-3-methylimidazolium chloride has been 2 −1 Hybrid xerogel synthesized by the sol-gel method. Its specific surface area is 22 m g , average pore diameter is 8 nm and pore 3 −1 13 Probing volume is 0.05 cm g . According to the results of C NMR spectroscopy, the fixed 1-n-propyl-3-methylimi- Solvatochromic indicators dazolium cationic group is bound with the siloxane framework via one SieC covalent bond. Properties of the Fluorescent indicators new material were compared with that of its analog, silica with the same

Journal

Colloids and Surfaces A: Physicochemical and Engineering AspectsElsevier

Published: Feb 5, 2018

References

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