Controllable Synthesis and Luminescence Properties of La(OH) 3  and La(OH) 3 :Tb 3+  Nanocrystals with Multiform Morphologies | Zendy

Jia Guang | Zendy; Huang Yeju | Zendy; Song Yanhua | Zendy; Yang Mei | Zendy; Zhang Lihui | Zendy; You Hongpeng | Zendy

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Controllable Synthesis and Luminescence Properties of La(OH) 3 and La(OH) 3 :Tb 3+ Nanocrystals with Multiform Morphologies

Author(s) -

Jia Guang,

Huang Yeju,

Song Yanhua,

Yang Mei,

Zhang Lihui,

You Hongpeng

Publication year - 2009

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.200900495

Subject(s) - luminescence , phosphor , chemistry , nanocrystal , hydrothermal circulation , doping , ion , ultraviolet , nanotechnology , nanoscopic scale , chemical engineering , catalysis , optoelectronics , materials science , organic chemistry , engineering

One‐dimensional La(OH) 3 nanocrystals with multiform morphologies have been successfully synthesized by a facile hydrothermal process without using any surfactant, catalyst, or template. It can be found that the pH values of the initial solutions and the alkaline sources play a crucial role in controlling the morphologies of the products. The possible formation process of the 1D samples was investigated in detail. Furthermore, the as‐prepared Tb 3+ ‐doped La(OH) 3 samples show a strong green emission corresponding to 5 D 4 – 7 F 5 transition of the Tb 3+ ions under ultraviolet or low‐voltage excitation. The experimental results indicate that the luminescence properties of the as‐obtained phosphors are dependent on their morphologies and sizes. As a result of the unique luminescence properties and controllable morphology and size, these phosphors may find potential applications in fields such as optoelectronic and nanoscale devices or biological technology.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)

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