激光与光电子学进展, 2019, 56 (20): 202405, 网络出版: 2019-10-22
等离激元光热效应的新应用:太阳能蒸气产生 
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Application of Plasmon Photothermal Effect in Solar Vapor Generation
图 & 表
图 1. 表面等离激元示意图。(a) SPP;(b) Ag/SiO2分界面的色散曲线[32];(c) LSP;(d)半径为50 nm的银颗粒的消光效率谱[32]
Fig. 1. Schematics of surface plasmons. (a) SPP; (b) dispersion curve at Ag/SiO2 interface[32];(c) LSP; (d) extinction efficiency spectrum of 50-nm Ag nanoparticle[32]
图 2. 等离激元光吸收特性与材料。(a)电子浓度[43];(b)周围环境[39];(c)组装方式的关系[8];(d)非共振多光学模式实现宽谱吸收[46]
Fig. 2. Light absorption characteristics and materials of plasmons. (a) Electron density[43]; (b) surroundings[39]; (c) relationship between different assembly methods[8]; (d) wide spectrum absorption with multiple non-resonant optical modes[46]
图 3. 等离激元光热效应的微观机制。(a)时间尺度[52];(b)空间尺度[48]
Fig. 3. Micro-mechanism of plasmon photothermal effect. (a) Time scale[52]; (b) space scale[48]
图 4. 基于等离激元材料的光蒸气转换微观机制[58]
Fig. 4. Micro-mechanism of plasmon material based photothermal vapor conversion[58]
图 5. 不同结构设计增强太阳光吸收。(a)(b)通过调控SiO2/Au核壳颗粒尺寸调控共振吸收峰到太阳光谱峰值附近[25];(c)(d)通过Au颗粒等离激元共振杂化实现宽谱吸收[67];(e)(f)通过金属纳米线束的多种光学模式增强宽光谱吸收[46];(g)(h)通过结合Te颗粒等离激元特性与介质特性增强太阳光谱范围的光吸收[68]
Fig. 5. Different designed structures for enhancing solar absorption. (a)(b) Tune resonant absorption peak to overlap the peak of solar spectra by regulating size of SiO2/Au core-shell[25]; (c)(d) achieve broadband light absorption by plasmon resonance hybridization of Au particle[67]; (e)(f) enhance broadband absorption under multiple optical modes of Au nanowire bundles[46]; (g)(h) enhance broadband absorption within solar spectral range by combining plasmon characteristics of tellurium nanoparticles
梁洁, 刘鑫, 周林. 等离激元光热效应的新应用:太阳能蒸气产生[J]. 激光与光电子学进展, 2019, 56(20): 202405. Jie Liang, Xin Liu, Lin Zhou. Application of Plasmon Photothermal Effect in Solar Vapor Generation[J]. Laser & Optoelectronics Progress, 2019, 56(20): 202405.
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