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Research Progress of Colorimetric Sensors Based on Cellulose Nanocrystal
Received:January 25, 2022  
DOI：10.11980/j.issn.0254-508X.2022.06.015
Key Words:cellulose nanocrystal  structural color  pitch  colorimetric sensor
Fund Project:陕西省自然科学基础研究计划一般项目（2019JM-485）；陕西省咸阳市科学技术研究计划项目（2017k02-20）；陕西省自然科学基础研究计划项目（2018JM2034）。
Author NameAffiliationPostcode
LIN Tao College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development， National Demonstration Center for Experimental Light Chemistry Engineering Education， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
WANG Le College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development， National Demonstration Center for Experimental Light Chemistry Engineering Education， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
WEI Xiaoyao College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development， National Demonstration Center for Experimental Light Chemistry Engineering Education， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
DU Hengli College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development， National Demonstration Center for Experimental Light Chemistry Engineering Education， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
YIN Xuefeng* College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development， National Demonstration Center for Experimental Light Chemistry Engineering Education， Key Lab of Paper-based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
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Abstract:Colorimetric sensor based on cellulose nanocrystal （CNC） could sense the change of external environment through chromaticity. The combination of its chiral structure and swelling behavior could quickly respond to the stimulation of various external environment. The color change of CNC-based colorimetric sensors under external stimulation of humidity， pressure， gas and organic solvent were summarized in this paper， looking forward to its future development prospects and preparation key points.
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