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- Title
Catalysis-Driven Self-Thermophoresis of Janus Plasmonic Nanomotors.
- Authors
Qin, Weiwei; Peng, Tianhuan; Gao, Yanjing; Wang, Fei; Hu, Xiaocai; Wang, Kun; Shi, Jiye; Li, Di; Ren, Jicun; Fan, Chunhai
- Abstract
It is highly demanding to design active nanomotors that can move in response to specific signals with controllable rate and direction. A catalysis-driven nanomotor was constructed by designing catalytically and plasmonically active Janus gold nanoparticles (Au NPs), which generate an asymmetric temperature gradient of local solvent surrounding NPs in catalytic reactions. The self-thermophoresis behavior of the Janus nanomotor is monitored from its inherent plasmonic response. The diffusion coefficient of the self-thermophoresis motion is linearly dependent on chemical reaction rate, as described by a stochastic model.
- Subjects
NANOMOTORS; JANUS particles; THERMOPHORESIS; GOLD nanoparticles; PLASMONICS
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 2, p530
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201609121