Ti离子注入SiO2合成TiO2纳米颗粒及其光学性质
Synthesis and optical properties of TiO2 nanoparticles in SiO2 by Ti ion implantation
- 辐射研究与辐射工艺学报 2016年34卷第2期 页码：20301
- 作者机构：
1.天津大学理学院 天津 300072；
2.天津市低维功能材料物理与制备技术重点实验室 天津 300072；
3.北京师范大学射线束与材料改性教育部重点实验室 北京 100875
- 作者简介：
刘晓雨，女，1990年5月出生，2013年于天津大学获得学士学位，现为该校凝聚态物理专业在读硕士研究生
刘昌龙，博士，教授，E-mail:liuchanglong@tju.edu.cn
- 基金信息：国家自然科学基金(11175129、11535008)和天津市自然科学基金(12JCZDJC26900)资助
DOI：10.11889/j.1000-3436.2016.rrj.34.020301
中图分类号：
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刘晓雨, 穆晓宇, 贾光一, 等. Ti离子注入SiO2合成TiO2纳米颗粒及其光学性质[J]. 辐射研究与辐射工艺学报, 2016,34(2):20301.
Xiaoyu LIU, Xiaoyu MU, Guangyi JIA, et al. Synthesis and optical properties of TiO2 nanoparticles in SiO2 by Ti ion implantation[J]. Journal of Radiation Research and Radiation Processing, 2016,34(2):20301.
刘晓雨, 穆晓宇, 贾光一, 等. Ti离子注入SiO2合成TiO2纳米颗粒及其光学性质[J]. 辐射研究与辐射工艺学报, 2016,34(2):20301. DOI： 10.11889/j.1000-3436.2016.rrj.34.020301.
Xiaoyu LIU, Xiaoyu MU, Guangyi JIA, et al. Synthesis and optical properties of TiO2 nanoparticles in SiO2 by Ti ion implantation[J]. Journal of Radiation Research and Radiation Processing, 2016,34(2):20301. DOI： 10.11889/j.1000-3436.2016.rrj.34.020301.
摘要
将105 keV的Ti离子注入到SiO,2,玻璃至1×10,17,、2×10,17 ,cm,-2,并在氧气气氛下进行热处理,借助紫外可见分光光度计、掠入射X射线衍射光谱仪、透射电子显微镜、原子力显微镜等多种测试仪器,详细研究了TiO,2,纳米颗粒的形成、结构、分布及其光吸收和催化性能。研究结果表明,高注量Ti离子注入结合氧气气氛热处理可以在SiO,2,基底中形成TiO,2,纳米颗粒,并以金红石相为主。合成的TiO,2,纳米颗粒的形貌明显依赖于离子的注量,随离子注量增加,形状不规则且分散排列的TiO,2,纳米颗粒会转变成尺寸较为均匀、分布致密的纳米颗粒,进而形成了TiO,2,类颗粒膜结构。另外,光催化降解实验结果表明,合成的纳米颗粒对罗丹明B溶液具有一定的降解作用。
Abstract
105 keV Ti ions were implanted into SiO,2, substrate, and were then subjected to thermal annealing in oxygen atmosphere. The formation, structure, distribution, optical absorption property as well as photocatalytic performance of the formed nanoparticles (NPs) were characterized using various techniques such as ultraviolet-visible spectroscopy, grazing incidence X-ray diffraction spectroscopy, transmission electron microscopy and atomic force microscopy. The results clearly show that high-fluence Ti ion implantation into SiO,2, along with thermal treatments in oxygen atmosphere could cause formation of TiO,2, NPs, which mainly present rutile phase. Morphology of the synthesized TiO,2, NPs depends strongly on the applied fluence of Ti ions. With the fluence increasing, the irregular and isolated NPs could be transferred into densely distributed TiO,2, NPs, resulting in formation of particle-like thin films. In addition, the synthesized TiO,2, NPs at higher fluence show a certain photocatalytic degradation performance on Rhodamine B solution.
关键词
离子注入TiO2 纳米颗粒热退火类颗粒膜
Keywords
Ion implantationTiO2 nanoparticlesAnnealingParticle-like thin films
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