Visible responses under high pressure in crystals: phenolphthalein and its analogues with adjustable ring-opening threshold pressures

Author:

Deng Xinyuan12345,Guo Hongwei678910,Meng Xiao12345,Wang Kai678910ORCID,Zou Bo678910ORCID,Ma Yuguo12345ORCID

Affiliation:

1. Beijing National Laboratory for Molecular Sciences

2. Center for Soft Matter Science and Engineering

3. Key Lab of Polymer Chemistry & Physics of Ministry of Education

4. College of Chemistry

5. Peking University

6. State Key Laboratory of Superhard Materials

7. College of Physics

8. Jilin University

9. Changchun 130012

10. China

Abstract

Visible mechanochromism was triggered via the ring-opening reaction of phenolphthalein under high pressure. Different ring-opening threshold pressures and responsive colors were achieved by changing the substituent groups with different electronic effects.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

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