Sub‐5 nm Ln 3+ ‐doped BaLuF 5  Nanocrystals: A Platform to Realize Upconversion via Interparticle Energy Transfer (IPET) | Zendy

Sarkar Shyam | Zendy; Meesaragandla Brahmaiah | Zendy; Hazra Chanchal | Zendy; Mahalingam Venkataramanan | Zendy

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Sub‐5 nm Ln 3+ ‐doped BaLuF 5 Nanocrystals: A Platform to Realize Upconversion via Interparticle Energy Transfer (IPET)

Author(s) -

Sarkar Shyam,

Meesaragandla Brahmaiah,

Hazra Chanchal,

Mahalingam Venkataramanan

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.201203641

Subject(s) - photon upconversion , nanocrystal , materials science , doping , energy transfer , nanotechnology , engineering physics , optoelectronics , physics

The upconversion process is reported to occur via interparticle energy transfer (IPET) achieved with Ln 3+ ‐doped BaLuF 5 (Ln = Tm and Yb) nanocrystals in the size range of sub 5 nm. Both Yb 3+ and Tm 3+ ions are independently doped in BaLuF 5 nanocrystals. Colloidal mixtures containing the above two nanocrystals show strong upconversion emission in the blue, red, and near‐IR regions via IPET.

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