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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Raman spectrum of pNipam-co-PAA/N-TiO2 composite particles. The inset depicts the Raman spectrum of composite particles zoomed in on the high frequency region.