期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 4, 页码 4095-4101出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b16930
关键词
CO2-responsive; H2O2-responsive; self-propulsion; diving-surfacing; wettability
资金
- National Natural Science Foundation of China [21374009, 21404008, 21704022]
- Fundamental Research Funds of the Central University [HEUCFP201759]
In this paper, we introduce a kind of tertiary amine-based CO2-responsive material combining with the H2O2-responsive material to develop a dual-responsive self propulsion smart device which can convert the chemical energy of H2O2 into mechanical energy steadily through diving-surfacing cycles. In this dual-responsive device, the CO2-responsive material is designed as a wettability conversion species, which is wrapped with a strip of platinum to catalyze the decomposition of H2O2 to generate gaseous O-2 to realize surfacing. In deionized water, the device floats on the surface of the water initially and can perform a diving-surfacing cycle when CO2 and H2O2 stimuli are alternately applied to the aqueous solution. The cyclic movement of the device can be realized by the generation and release of the inner gas through the hydrophobic cover, leading to: a new controllable transition of,different kinds of energy.
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