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第八届中国功能材料及其应用学术会议

作者： CANG Li-min JIANG Bing-jie YAN Tao WAN Zhi-gang henan ancai high-tech co. LTD

ISBN: (纸本)9783037859698

The anti-reflective SiO film on glass was prepared by sol-gel process and dip-co.ting *** effect of drawing speed on properties of the SiOfilm was *** transmittance was tested by light spectrum transmittance testing system,the thickness and refractive index of SiO film was tested by spectrosco.ic *** increasing of the drawing speed from 100mm/min to 300 mm/min,the average of transmittance increment at first increased and then decreased,which reached the maximum4.24%at the speed 150mm/*** relations among transmittance,thickness(d) and refractive index(n) of the SiO film was dicussed.

关键词： SiO2 film sol-gel process anti-reflective transmittance drawing speed

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Enhanced photocatalytic degradation properties of nitrogen-doped titania nanotube arrays

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中国有色金属学会会刊：英文版 2009年第6期19卷 1583-1587页

作者：董林曹国喜马莹贾晓林叶国田关绍康 School of Materials Science and Engineering Zhengzhou University ancai Hi-tech co. Ltd.

Nitrogen-doped TiO2 nanotubes array were synthesized to improve the photocatalytic efficiency by annealing the anodized titania nanotubes with ammonia at 500℃.Detailed structural analysis revealed that the nitrogen-doped titania nanotubes are of highly ordered structure,and exhibit a decreased phase transformation temperature co.pared with those that are not doped,as evidenced by the decrease in full width at half maximum(FWHM)of the(110)peak of rutile phase and the occurrence of the typical Raman peaks of rutile phase at 196,235,442,610 cm -1 .Acco.ding to the photocatalytic degradation of methyl orange under visible light irradiation,the nitrogen-doped TiO2 nanotubes exhibit enhanced photocatalytic efficiency co.pared with their non-doped nanotubes,which might be a result of either the nitrogen doping induced band gap narrowing or the synergistic effect produced by both nitrogen and fluorine dopants.

关键词：纳米管阵列光催化降解二氧化钛氮掺杂 TiO2纳米管光催化效率强化结构分析

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Applications and functions of rare-earth ions in perovskite solar cells

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Chinese Physics B 2022年第3期31卷 36-51页

作者： Limin Cang Zongyao Qian Jinpei Wang Libao Chen Zhigang Wan Ke Yang Hui Zhang Yonghua Chen Research Center Ancai Hi-Tech Co.Ltd.Anyang 455000China Key Laboratory of Flexible Electronics Institute of Advanced MaterialsNanjing Tech UniversityNanjing 211800China

The emerging perovskite solar cells have been reco.nized as one of the most promising new-generation photovoltaic technologies owing to their potential of high efficiency and low production co.t. However, the current perovskite solar cells suffer from some obstacles such as non-radiative charge reco.bination, mismatched absorption, light induced degradation for the further improvement of the power co.version efficiency and operational stability towards practical application. The rare-earth elements have been recently employed to effectively overco.e these drawbacks acco.ding to their unique photophysical properties. Herein, the recent progress of the application of rare-earth ions and their functions in perovskite solar cells were systematically reviewed. As it was revealed that the rare-earth ions can be co.pled with both charge transport metal oxides and photosensitive perovskites to regulate the thin film formation, and the rare-earth ions are embedded either substitutionally into the crystal lattices to adjust the optoelectronic properties and phase structure, or interstitially at grain boundaries and surface for effective defect passivation. In addition, the reversible oxidation and reduction potential of rare-earth ions can prevent the reduction and oxidation of the targeted materials. Moreover, owing to the presence of numerous energetic transition orbits, the rare-earth elements can co.vert low-energy infrared photons or high-energy ultraviolet photons into perovskite responsive visible light, to extend spectral response range and avoid high-energy light damage. Therefore, the inco.poration of rare-earth elements into the perovskite solar cells have demonstrated promising potentials to simultaneously boost the device efficiency and stability.

关键词： perovskite solar cells rare-earth ions power co.version efficiency

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