Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 13, Pages 3993-3996Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201412103
Keywords
graphene; liquid marble; miniature reactors; photothermal reactions; reaction kinetics modulation
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Funding
- National Research Foundation, Singapore [NRF-NRFF2012-04]
- Nanyang Technological University's start-up grant
- National Natural Science Foundation of China [51125011, 51433001]
- China Scholarship Council
- A<SUP>star</SUP>STAR Graduate Scholarship, Singapore
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We demonstrate the fabrication of graphene liquid marbles as photothermal miniature reactors with precise temperature control for reaction kinetics modulation. Graphene liquid marbles show rapid and highly reproducible photothermal behavior while maintaining their excellent mechanical robustness. By tuning the applied laser power, swift regulation of graphene liquid marble's surface temperature between 21-135 degrees C and its encapsulated water temperature between 21-74 degrees C are demonstrated. The temperature regulation modulates the reaction kinetics in our graphene liquid marble, achieving a 12-fold superior reaction rate constant for methylene blue degradation than at room temperature.
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