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首页> 外文期刊>Inorganic Chemistry Communications >In-situ synthesis of CNT/TiO2 heterojunction nanocomposite and its efficient photocatalytic degradation of Rhodamine B dye
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In-situ synthesis of CNT/TiO2 heterojunction nanocomposite and its efficient photocatalytic degradation of Rhodamine B dye

机译：原位合成CNT / TiO2异质结纳米复合材料及其高效光催化降解罗丹明B染料

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摘要

As future photocatalyst are required to have high activity and structural stability, the requirement for high-performance photocatalyst that improve photocatalytic conversion efficiency is of great importance. Herein, we report a photocatalyst of titanium dioxide (TiO2) grown in situ on the surface of carbon nanotubes (CNT) and photocatalytic degradation of Rhodamine B (Rh-B) under simulated sunlight. The results reveal that the nanocomposites have enhanced photocatalytic degradation of organic pollutants, which is about twice that of pure TiO2. The CNT-TiO2 nanocomposites have a high specific surface area to enhance the adsorption capacity, and the n-n type heterojunction formed by the Ti-O-C bond structure can effectively promote the transport and migration of photo-generated carriers. Therefore, the research can provide an alternative method to explore highly efficient and stable photocatalysts for organic pollutant degradation applying CNT as carriers to improve the oxidation time, photoactivity and structural stability of nanocomposites.
机译：由于未来的光催化剂需要具有高活性和结构稳定性，因此提高光催化转化效率的高性能光催化剂的要求具有重要意义。在此，我们在模拟阳光下报告原位生长的二氧化钛（TiO 2）的光催化剂在碳纳米管（CNT）表面上和罗丹明B（RH-B）的光催化降解。结果表明，纳米复合材料具有增强的有机污染物的光催化降解，这大约是纯TiO2的两倍。 CNT-TiO2纳米复合材料具有高比表面积以增强吸附能力，并且通过Ti-O-C键结构形成的N-N型异质结可以有效地促进光产生的载体的运输和迁移。因此，该研究可以提供一种替代方法，用于探讨高效且稳定的光催化剂，用于施加CNT作为载体的有机污染物降解，以改善纳米复合材料的氧化时间，光性和结构稳定性。

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  • 来源
    《Inorganic Chemistry Communications》 |2020年第1期|共10页
  • 作者

    Chen Yuxin; Qian Jianhua; Wang Ning; Xing Jinjuan; Liu Lin;

  • 作者单位

    Bohai Univ Coll Chem &

    Chem Engn Ctr Expt Management Liaoning Prov Key Lab Synth &

    Applicat Funct Cpds Jinzhou 121013 Peoples R China;

    Liaoning Shihua Univ Coll Chem &

    Mat Sci Fushun Fushun 113006 Peoples R China;

    Bohai Univ Coll Chem &

    Chem Engn Ctr Expt Management Liaoning Prov Key Lab Synth &

    Applicat Funct Cpds Jinzhou 121013 Peoples R China;

    Bohai Univ Coll Chem &

    Chem Engn Ctr Expt Management Liaoning Prov Key Lab Synth &

    Applicat Funct Cpds Jinzhou 121013 Peoples R China;

    Bohai Univ Coll Chem &

    Chem Engn Ctr Expt Management Liaoning Prov Key Lab Synth &

    Applicat Funct Cpds Jinzhou 121013 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无机化学;基本无机化学工业;
  • 关键词

    TiO2 nanoparticles; Carbon nanotubes; Heterojunction; Photocatalysis; Rhodamine B;

    机译：TiO2纳米粒子;碳纳米管;异质结;光催化;罗丹明B;

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