Yb离子掺杂对一步声化学法合成掺铒bivo4的物理、光学和光催化性能的影响

IF 0.7 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Kanokthip Boonyarattanakalin, Tanisara Noinonmueng, Thanaphon Kansaard, Wanichaya Mekprasart, Tirapat Wechprasit, Wisanu Pecharapa
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引用次数: 0

摘要

摘要本文研究了掺杂镱离子对易声化学法制备的掺铒钒酸铋粉体的物理、形态、光学及光催化性能的影响。Er3+掺杂量固定为1%,Yb3+掺杂量指定为2,4,6,8和10%。为了研究制备的样品的相关性质,采用XRD、FE-SEM、FTIR、DRS和uv -可见光谱法分别对其形貌、晶体结构、官能团、能隙和光催化降解进行表征。实验结果表明,Yb离子掺入对样品的粒径减小、形貌改变和单斜向四方相转变有显著影响。DRS结果显示,Er3+和Yb3+的能量跃迁导致了Er3+和Yb3+的特征吸收,同时存在单斜相和四方相的消光吸收边。一定含量的Yb3+离子的掺入使掺铒BiVO4催化剂在可见光照射下的光催化性能明显增强,这可能是由于活性表面积显著增加,混合相电荷分离增加,可能出现上转化过程。关键词:掺铒钒铋掺杂物光催化活性致谢作者要感谢Ladkrabang国王理工学院材料创新与技术学院(KMITL)对表征设施的支持。披露声明作者未报告潜在的利益冲突。本研究经费由蒙古库特国王理工学院资助[批准号:RE-KRIS / 021/64)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of Yb Ion Dopant on Physical, Optical, and Photocatalytic Properties of Er-Doped BiVO 4 Synthesized by One-Step Sonochemical Process
AbstractIn this work, the influence of Yb-incorporated ion on relevant physical, morphological, optical, and also photocatalytic properties of Er-doped bismuth vanadate powders synthesized by the facile sonochemical method was investigated. The Er3+ doping content was fixed at 1% and Yb3+ ion content was designated at 2, 4, 6, 8, and 10%. To study the relevant properties of the prepared samples, XRD, FE-SEM, FTIR, DRS, and UV-visible spectrometry were employed to characterize their morphology, crystal structure, functional group, energy gap, and photocatalytic degradation, respectively. The experimental results show that Yb ion incorporation has a significant effect on the decrease in its particle size and the change in morphology and the monoclinic-to-tetragonal phase change of the sample. The DRS result exhibits two extinct absorption edges belonging to the monoclinic and tetragonal phases, accompanying the characteristic absorption due to energy transitions of both Er3+ and Yb3+. The incorporation of Yb3+ ion with certain content exhibits noticeable enhancement in the photocatalytic performance of the Er-doped BiVO4 catalyst under the visible light illumination, which may be a result of the significant increase in the active surface area, increasing charge separation of mixed phases and possible up-conversion process.Keywords: Er-doped bismuth vanadateYb dopantphotocatalytic activity AcknowledgmentsThe authors would like to thank College of Materials Innovation and Technology, King Mongkut’s Institute of Technology Ladkrabang (KMITL) for characterization facility support.Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis research grant is supported by King Mongkut’s Institute of Technology Ladkrabang [Grant No. RE-KRIS/021/64].
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来源期刊
Integrated Ferroelectrics
Integrated Ferroelectrics 工程技术-工程:电子与电气
CiteScore
1.40
自引率
0.00%
发文量
179
审稿时长
3 months
期刊介绍: Integrated Ferroelectrics provides an international, interdisciplinary forum for electronic engineers and physicists as well as process and systems engineers, ceramicists, and chemists who are involved in research, design, development, manufacturing and utilization of integrated ferroelectric devices. Such devices unite ferroelectric films and semiconductor integrated circuit chips. The result is a new family of electronic devices, which combine the unique nonvolatile memory, pyroelectric, piezoelectric, photorefractive, radiation-hard, acoustic and/or dielectric properties of ferroelectric materials with the dynamic memory, logic and/or amplification properties and miniaturization and low-cost advantages of semiconductor i.c. technology.
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