Enhanced light absorption of TiO_(2) in the near-ultraviolet band by Au nanoparticles

Shu-Ya Du; Zhi-Yuan Li

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Enhanced light absorption of TiO_(2) in the near-ultraviolet band by Au nanoparticles

机译：Au纳米粒子增强了近紫外带中TiO_（2）的光吸收

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We propose a scheme to enhance near-UV band absorption of a rutile TiO_(2) nanoparticle by placing Au nanoparticles in its neighborhood. The discrete-dipole approximation method was employed to calculate the absorption spectrum of pure rutile TiO_(2) and that of TiO_(2) mixed with Au nanoparticles. The results indicate that pure rutile TiO_(2) has its maximum absorption located in the deep-UV band. With the existence of Au nanoparticles, a significant light harvesting effect occurs, and this maximum shifts to the near-UV band, where usual excitation wavelength falls.

机译：我们提出了一种通过在其附近放置金纳米颗粒来增强金红石型TiO_（2）纳米颗粒的近紫外吸收的方案。采用离散偶极近似法计算了纯金红石型TiO_（2）和与金纳米粒子混合的TiO_（2）的吸收光谱。结果表明，纯金红石型TiO_（2）在深紫外波段具有最大吸收。由于存在Au纳米颗粒，会发生明显的光收集效果，并且该最大值移至通常激发波长下降的近UV波段。

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《Optics Letters》 |2010年第20期|共3页
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Shu-Ya Du; Zhi-Yuan Li;
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1. Enhanced light absorption of TiO_(2) in the near-ultraviolet band by Au nanoparticles [J] . Shu-Ya Du, Zhi-Yuan Li Optics Letters . 2010,第20期

机译：Au纳米粒子增强了近紫外带中TiO_（2）的光吸收
2. A novel red emitting phosphor CaIn_2O_4:Eu~(3+), Sm~(3+) with a broadened near-ultraviolet absorption band for solid-state lighting [J] . Xiaosong Yan, Wanwan Li, Kang Sun Materials Research Bulletin . 2011,第1期

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Enhanced light absorption of TiO_(2) in the near-ultraviolet band by Au nanoparticles

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