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1. Plasmon Enhanced Visible Light Photocatalytic Activity of Flower-like Au-TiO2 Core-shell Nanoparticles | |||
Youlong Chen,Liang Ma,Xiang-Bai Chen | |||
Physics 14 September 2020 | |||
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Abstract:Flower-like Au-TiO2 core-shell nanoparticles (NPs) were synthesized by a facile and high-yield hydrothermal method in which gold NPs were used as cores and TiF4 was used as precursor. A series of characterizations were carried out to examine the morphology, crystallinity, and composition of the nanostructures. The Au-TiO2 core-shell NPs exhibit uniform flower-like morphology, porous TiO2 shells, and strong surface plasmon resonance (SPR) absorption band in the visible light region. Hence, compared with the hollow TiO2 NPs, the Au-TiO2 core-shell NPs exhibited greatly improved photocatalytic activity for the degradation of methylene blue under visible light irradiation. Such enhancement can be ascribed to the resonant energy transfer and direct electron transfer between TiO2 and Au parts in the core-shell nanostructures. We believe that such plasmonic photosensitizers based on this enhancement mechanism would offer much more flexibility for designing solar energy materials, photocatalysts and other optoelectronic devices. | |||
TO cite this article:Youlong Chen,Liang Ma,Xiang-Bai Chen. Plasmon Enhanced Visible Light Photocatalytic Activity of Flower-like Au-TiO2 Core-shell Nanoparticles[OL].[14 September 2020] http://en.paper.edu.cn/en_releasepaper/content/4752800 |
2. Ultraviolet Photovoltaic Effects in MgO Single Crystals | |||
Zhao Hui,Zhao Kun,Lv Zhiqing,Zhao Songqing | |||
Physics 18 August 2009 | |||
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Abstract:Nanosecond ultraviolet photovoltaic effects are observed in MgO single crystals at ambient temperature without any bias. The rise time is about 10 ns and the full width at half maximum is about 20 ns when the surfaces of MgO single crystals are irradiated by 248 nm KrF laser pulses. The experimental results show that MgO single crystals may be potential in ultraviolet photodetectors. | |||
TO cite this article:Zhao Hui,Zhao Kun,Lv Zhiqing, et al. Ultraviolet Photovoltaic Effects in MgO Single Crystals[OL].[18 August 2009] http://en.paper.edu.cn/en_releasepaper/content/34539 |
3. Study on measurement of ocular aberrations | |||
Peiming Zhang,Jiabi Chen | |||
Physics 07 January 2009 | |||
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Abstract:The visual quality of human eye is not only limited by objective aberrations, but also suffers from neural processing and subjective perception, both objective and subjective method are needed for the measurement of human eye’s wavefront aberration. We have built an optical setup to integrate the two methods in a system. Then the result datum from both objective measurement and subjective measurement is fused on feature level by information fusion method with the weighting factors, which is helpful to emphasize the advantages of both subjective and objective measurement, can give more detailed advices for ideal corneal customized ablation of human eye. | |||
TO cite this article:Peiming Zhang,Jiabi Chen. Study on measurement of ocular aberrations [OL].[ 7 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27398 |
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