期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 35, 页码 23412-23418出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b08077
关键词
solar-thermal energy; photothermal conversion; plasmonic heating interfacial evaporation; phase change
资金
- National Natural Science Foundation of China [51403127, 91333115, 51420105009, 51521004, 21401129]
- Natural Science Foundation of Shanghai [13ZR1421500, 14ZR1423300]
- Chen Guang project from Shanghai Municipal Education Commission
- Shanghai Education Development Foundation [15CG06]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, the State Education Ministry
- Guangdong Provincial Key Laboratory of Materials for High Density Electronic Packaging [2014B030301014]
- Shanghai Jiao Tong University
The plasmonic heating effect of noble nano particles has recently received tremendous attention for various important applications. Herein, we report the utilization of interfacial plasmonic heating-assisted evaporation for efficient and facile solar-thermal energy harvest. An airlaid paper-supported gold nanoparticle thin film was placed at the thermal energy conversion region within a sealed chamber to convert solar energy into thermal energy. The generated thermal energy instantly vaporizes the water underneath into hot vapors that quickly diffuse to the thermal energy release region of the chamber to condense into liquids and release the collected thermal energy. The condensed water automatically flows back to the thermal energy conversion region under the capillary force from the hydrophilic copper mesh. Such an approach simultaneously realizes efficient solar-to-thermal energy conversion and rapid transportation of converted thermal energy to target application terminals. Compared to conventional external photothermal conversion design, the solar-thermal harvesting device driven by the internal plasmonic heating effect has reduced the overall thermal resistance by more than 50% and has demonstrated more than 25% improvement of solar water heating efficiency.
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