杂化纳米结构光阳极中的上转换光子增强近红外光捕获
Photon upconversion in hetero-nanostructured photoanodes for enhanced near-infrared light harvesting.
机构信息
School of Materials Science and Engineering, Nanyang Technological University, Singapore.
出版信息
Adv Mater. 2013 Mar 20;25(11):1603-7. doi: 10.1002/adma.201204353. Epub 2013 Jan 3.
A hetero-nanostructured photoanode with enhanced near-infrared light harvesting is developed for photo-electrochemical cells. By spatially coating upconversion nanoparticles and quantum dot photosensitizers onto TiO2 inverse opal, this architecture allows direct irradiation of upconversion nanoparticles to emit visible light that excites quantum dots for charge separation. Electrons are injected into TiO2 with minimal carrier losses due to continuous electron conducting interface.
一种具有增强近红外光捕获能力的杂化纳米结构光阳极被开发用于光电化学电池。通过将上转换纳米粒子和量子点敏化剂空间涂覆在 TiO2 反蛋白石上，这种结构允许上转换纳米粒子直接受激发射可见光，从而激发量子点进行电荷分离。由于连续的电子传导界面，电子注入 TiO2 时载流子损失最小。
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