Light Responsive Two-Component Supramolecular Hydrogel: A Sensitive Platform for Humidity Sensors

Suman Samai, Christos Sapsanis, Sachin Patil, Alaa Ezzeddine, Basem Moosa, Hesham Omran, Abdul-Hamid M. Emwas, Khaled N. Salama, Niveen M. Khashab

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

The supramolecular assembly of anionic azobenzene dicarboxylate and cationic cetyltrimethylammonium bromide (CTAB) formed a stimuli responsive hydrogel with a critical gelation concentration (CGC) of 0.33 wt%. This self-sustainable two-component system was able to repair damage upon light irradiation. Moreover, it was successfully employed in the fabrication of highly sensitive humidity sensors for the first time.
Original languageEnglish (US)
Pages (from-to)2842-2845
Number of pages4
JournalSoft Matter
Volume12
Issue number11
DOIs
StatePublished - 2016

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: We gratefully acknowledge support from King Abdullah University of Science and Technology (KAUST). We thank Dr. Harihar Padhy and Prof. Alexander Ruthenberger, Physical Sciences and Engineering Division, KAUST for their help in rheology experiments.

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