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Morphologically-tunable anatase TiO_2 with exposed (001) facet and related photocatalytic performance

机译：具有（001）刻面的形态可调锐钛矿TiO_2及其相关的光催化性能

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摘要

Anatase TiO_2 microcrystals with exposed (001) facet were fabricated by the hydrothermal treatment of TiF_4, using NH_4HF_2 as the auxiliary capping reagent. The morphology of the products as well as the exposure of (001) facet was tuned by simply controlling the concentration of F~- ion. The TiO_2 microcrystals exhibited facet-dependent photo-response and photocatalytic performance. The sample with higher percentage of exposed (001) facet had extended photo-response and higher efficiency for the degradation of Acid Red dye under UV irradiation.
机译：以NH_4HF_2为辅助封端剂，通过TiF_4的水热处理制备了（001）面裸露的锐钛矿型TiO_2微晶。只需控制氟离子的浓度即可调整产品的形态以及（001）面的暴露程度。 TiO_2微晶表现出刻面依赖性的光响应和光催化性能。暴露的（001）面百分比较高的样品具有更长的光响应，并且在紫外线照射下降解酸性红染料的效率更高。

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  • 来源
    《Materials Letters》 |2014年第1期|167-169|共3页
  • 作者

    Xia Yuan; Bifen Gao; Junxin Shi; Yilin Chen; Bizhou Lin; Zhanjun Gu;

  • 作者单位

    Department of Applied Chemistry, College of Materials Science & Engineering, Huaqiao University, Xiamen 36/021, China;

    Department of Applied Chemistry, College of Materials Science & Engineering, Huaqiao University, Xiamen 36/021, China;

    Department of Applied Chemistry, College of Materials Science & Engineering, Huaqiao University, Xiamen 36/021, China;

    Department of Applied Chemistry, College of Materials Science & Engineering, Huaqiao University, Xiamen 36/021, China;

    Department of Applied Chemistry, College of Materials Science & Engineering, Huaqiao University, Xiamen 36/021, China;

    Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Semiconductors; TiO_2; Surfaces; Crystal structure; Photocatalysts;

    机译：半导体;TiO_2;表面;晶体结构光触媒;

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