journal article·2023-08-25

Photoresponsive Electrospun Nanowire Films Based on N-Isopropylacrylamide and Spiropyran for Regulating Microenvironmental Humidity

Na Huang, Ning Zhao, Ce Zhang, Chunhao Li, Xia Wei, Yang Zhang, Yongsheng Bao, Shuai Wang

ACS Applied Nano Materials· Volume 6· Issue 16
Publisher page

Abstract

Based on the goal to improve the humidity index of the microenvironment and enhancing human comfort, this study used electrospinning to prepare several photoresponsive films with reversible regulation of wettability and microenvironmental humidity from copolymers of acrylated spiropyran (SPA), N -isopropylacrylamide (NIPAm), and methyl methacrylate (MMA). According to the photoisomerization mechanism of spiropyran, the simple ultraviolet (UV)–visible light (vis) reversible light radiation change makes the spiropyran unit switch between the polar ring-opened form and the nonpolar ring-closed form. Utilizing this transition can easily regulate the wettability of the film surface and microenvironmental humidity. The experimental results show that poly(SPA 1 - co -NIPAm 2 - co -MMA 8 ) nanowire film has the best ability to regulate wettability and humidity; the wettability can vary within a range of 13° and the microenvironmental humidity up to 7.2%.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Photochromic and Fluorescence Chemistry · Advanced Sensor and Energy Harvesting Materials · Polydiacetylene-based materials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot 010022, China

Inner Mongolia Key Laboratory of Environmental Chemistry, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot 010022, China

Funding

Research Program of Science and Technology at Universities of Inner Mongolia Autonomous Region · National Natural Science Foundation of China · Collaborative Innovation Center for Water Environment Security of Inner Mongolia Autonomous Region · Scientific Research Project of Higher Education Institutions of Inner Mongolia · Construction Project of Inner Mongolia Key Laboratory of Green Catalysis · Student’s Platform for Innovation and Entrepreneurship Training Program of Inner Mongolia · Program for Innovative Research Team in Universities of Inner Mongolia Autonomous Region

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