An intrinsically zwitter-ionic COF: a carboxylic acid and pseudo-tetrahedral sp3 nitrogen functionalized covalent organic framework with potential for humidity sensing

Author:

Nandi Shyamapada1ORCID,Singh Himan Dev2,Shekhar Pragalbh2,Chakraborty Debanjan2ORCID,Kushwaha Rinku2ORCID,Vaidhyanathan Ramanathan23ORCID

Affiliation:

1. Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology, 600127, Chennai, India

2. Department of Chemistry, Indian Institute of Science Education and Research, 411008, Pune, India

3. Centre for Energy Sceince, Indian Institute of Science Education and Research, 411008, Pune, India

Abstract

A carboxylic acid functionalized sp3 N-rich imine bonded COF shows a humidity-dependent visible color change. This COF is easily exfoliated to nanosheets, which are explored as a potential humidity sensor that detects trace water in organic solvents.

Funder

Indian Institute of Science Education and Research Pune

Air Force Office of Scientific Research

Science and Engineering Research Board

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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