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In-situ crystal growth and photoluminescence properties of YBO3: Tb3+ microstructures |
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| Authors: | Xianwen Zhang Xin Zhang Zhi Zhao Jharna Chaudhuri |
| Affiliation: | 1. Department of Mechanical Engineering, Texas Tech University, Lubbock, TX, 79409, USA 2. Department of Chemical Engineering, Texas Tech University, Lubbock, TX, 79409, USA 3. Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, Anhui, China |
| Abstract: | Three-dimensional (3D) YBO3:Tb3+ flower-like and dense flower-like hierarchitecture constituted of nanoflakes are solvothermally synthesized in the presence of polyborate precursors in the mixture of ethanol and water. The growth process of the YBO3:Tb3+ flowers and dense flowers was explored based on the time-dependent experiment and the results showed that the growth mechanism follows an in situ growth rather than self-assembly process as reported previously. YBO3:Tb3+ morphologies composed of nanoflakes are achieved by controlling the concentration of ethanol and dependence of photoluminescence on morphology was studied. Remarkable photoluminescence enhancement was observed for YBO3:Tb3+ with flower-like morphology demonstrating the potential of the microstructure in future applications as a green phosphor. Such a synthetic method and growth mechanism may be applied to fabricate complex 3D architectures of other materials. |
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