Photon Upconversion in Hetero‐nanostructured Photoanodes for Enhanced Near‐Infrared Light Harvesting | Zendy

Su Liap Tat | Zendy; Karuturi Siva Krishna | Zendy; Luo Jingshan | Zendy; Liu Lijun | Zendy; Liu Xinfeng | Zendy; Guo Jun | Zendy; Sum Tze Chien | Zendy; Deng Renren | Zendy; Fan Hong Jin | Zendy; Liu Xiaogang | Zendy; Tok Alfred Iing Yoong | Zendy

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Photon Upconversion in Hetero‐nanostructured Photoanodes for Enhanced Near‐Infrared Light Harvesting

Author(s) -

Su Liap Tat,

Karuturi Siva Krishna,

Luo Jingshan,

Liu Lijun,

Liu Xinfeng,

Guo Jun,

Sum Tze Chien,

Deng Renren,

Fan Hong Jin,

Liu Xiaogang,

Tok Alfred Iing Yoong

Publication year - 2013

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201204353

Subject(s) - photon upconversion , materials science , optoelectronics , quantum dot , infrared , nanoparticle , visible spectrum , electron , photocatalysis , nanotechnology , irradiation , photon , coating , optics , doping , biochemistry , chemistry , physics , quantum mechanics , nuclear physics , catalysis

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 TiO 2 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 TiO 2 with minimal carrier losses due to continuous electron conducting interface.

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