Role of supramolecular polymers in photo-actuation of spiropyran hydrogels

Author:

Li Chuang12ORCID,Xiong Qinsi3ORCID,Clemons Tristan D.23,Sai Hiroaki24ORCID,Yang Yang2,Hussain Sangji M.25,Iscen Aysenur26ORCID,Palmer Liam C.237ORCID,Schatz George C.63ORCID,Stupp Samuel I.23458ORCID

Affiliation:

1. Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China

2. Center for Bio-inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA

3. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA

4. Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL 60208, USA

5. Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA

6. Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA

7. Simpson Querrey Institute, Northwestern University, 303 E. Superior Street, Chicago, IL 60611, USA

8. Department of Medicine, Northwestern University, 676 N St. Clair, Chicago, IL 60611, USA

Abstract

Supramolecular-covalent hybrid spiropyran hydrogels are developed to generate robotic functions in response to light. The morphology of supramolecular phases is found to play a critical role in mechanical photo-actuation of these hybrid hydrogels.

Funder

Basic Energy Sciences

Center for Bio-Inspired Energy Science, Northwestern University

U.S. Department of Energy

University of Science and Technology of China

Natural Science Foundation of Anhui Province

International Institute for Nanotechnology, Northwestern University

Dow Chemical Company

National Institutes of Health

Argonne National Laboratory

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

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