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Anatase TiO2 single crystals with a large percentage of reactive facets

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  • Hua Gui Yang

    (ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute for Bioengineering and Nanotechnology,)

  • Cheng Hua Sun

    (ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute for Bioengineering and Nanotechnology,
    Centre for Computational Molecular Science, Australian Institute for Bioengineering and Nanotechnology,)

  • Shi Zhang Qiao

    (ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute for Bioengineering and Nanotechnology,)

  • Jin Zou

    (Centre for Microscopy and Microanalysis and School of Engineering, The University of Queensland, Queensland 4072, Australia)

  • Gang Liu

    (ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute for Bioengineering and Nanotechnology,
    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China)

  • Sean Campbell Smith

    (ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute for Bioengineering and Nanotechnology,
    Centre for Computational Molecular Science, Australian Institute for Bioengineering and Nanotechnology,)

  • Hui Ming Cheng

    (Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China)

  • Gao Qing Lu

    (ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute for Bioengineering and Nanotechnology,)

Abstract

Surface activation: Changing facets Single crystals of titanium dioxide (TiO2), with highly reactive surfaces, show promise for energy and environmental applications. Unfortunately, the highly reactive surfaces tend to disappear during crystal growth as a result of the minimization of surface energy. Most available samples of anatase, a naturally occurring crystalline form of TiO2, are therefore dominated (to over 90%) by thermodynamically stable {101} facets, rather than the more reactive {001} type. Hua Gui Yang et al. use hydrofluoric acid treatment of anatase TiO2 to remedy this situation. Based on theoretical predictions, they synthesized uniform anatase TiO2 single crystals containing 47% of the reactive {001} facets. This work may pave the way for the more general use of non-metallic atoms as surface controlling agents.

Suggested Citation

  • Hua Gui Yang & Cheng Hua Sun & Shi Zhang Qiao & Jin Zou & Gang Liu & Sean Campbell Smith & Hui Ming Cheng & Gao Qing Lu, 2008. "Anatase TiO2 single crystals with a large percentage of reactive facets," Nature, Nature, vol. 453(7195), pages 638-641, May.
    • Handle: RePEc:nat:nature:v:453:y:2008:i:7195:d:10.1038_nature06964
    DOI: 10.1038/nature06964
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    1. Yongyang Song & Jiajia Zhou & Zhongpeng Zhu & Xiaoxia Li & Yue Zhang & Xinyi Shen & Padraic O’Reilly & Xiuling Li & Xinmiao Liang & Lei Jiang & Shutao Wang, 2023. "Heterostructure particles enable omnidispersible in water and oil towards organic dye recycle," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Zeng, Qingyi & Bai, Jing & Li, Jinhua & Li, Linsen & Xia, Ligang & Zhou, Baoxue & Sun, Yugang, 2018. "Highly-stable and efficient photocatalytic fuel cell based on an epitaxial TiO2/WO3/W nanothorn photoanode and enhanced radical reactions for simultaneous electricity production and wastewater treatme," Applied Energy, Elsevier, vol. 220(C), pages 127-137.
    3. Yufen Chen & Lluís Soler & Claudio Cazorla & Jana Oliveras & Neus G. Bastús & Víctor F. Puntes & Jordi Llorca, 2023. "Facet-engineered TiO2 drives photocatalytic activity and stability of supported noble metal clusters during H2 evolution," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Zedong Zhao & Rong Wang & Chengxin Peng & Wuji Chen & Tianqi Wu & Bo Hu & Weijun Weng & Ying Yao & Jiaxi Zeng & Zhihong Chen & Peiying Liu & Yicheng Liu & Guisheng Li & Jia Guo & Hongbin Lu & Zaiping , 2021. "Horizontally arranged zinc platelet electrodeposits modulated by fluorinated covalent organic framework film for high-rate and durable aqueous zinc ion batteries," Nature Communications, Nature, vol. 12(1), pages 1-14, December.
    5. Li, Zhenzi & Wang, Shijie & Wu, Jiaxing & Zhou, Wei, 2022. "Recent progress in defective TiO2 photocatalysts for energy and environmental applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 156(C).
    6. Huizhen Zhang & Pengfei Sun & Xiaozhen Fei & Xuejiao Wu & Zongyi Huang & Wanfu Zhong & Qiaobin Gong & Yanping Zheng & Qinghong Zhang & Shunji Xie & Gang Fu & Ye Wang, 2024. "Unusual facet and co-catalyst effects in TiO2-based photocatalytic coupling of methane," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    7. Fan Liao & Kui Yin & Yujin Ji & Wenxiang Zhu & Zhenglong Fan & Youyong Li & Jun Zhong & Mingwang Shao & Zhenhui Kang & Qi Shao, 2023. "Iridium oxide nanoribbons with metastable monoclinic phase for highly efficient electrocatalytic oxygen evolution," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    8. Wang, Bin & Leung, Michael K.H. & Lu, Xiao-Ying & Chen, Si-Ying, 2013. "Synthesis and photocatalytic activity of boron and fluorine codoped TiO2 nanosheets with reactive facets," Applied Energy, Elsevier, vol. 112(C), pages 1190-1197.
    9. Anuja Bokare & Folarin Erogbogbo, 2021. "Photocatalysis and Li-Ion Battery Applications of {001} Faceted Anatase TiO 2 -Based Composites," J, MDPI, vol. 4(3), pages 1-31, September.
    10. Arkan, Foroogh & Izadyar, Mohammad, 2018. "Recent theoretical progress in the organic/metal-organic sensitizers as the free dyes, dye/TiO2 and dye/electrolyte systems; Structural modifications and solvent effects on their performance," Renewable and Sustainable Energy Reviews, Elsevier, vol. 94(C), pages 609-655.
    11. Wenjie Zang & Jaeha Lee & Peter Tieu & Xingxu Yan & George W. Graham & Ich C. Tran & Peikui Wang & Phillip Christopher & Xiaoqing Pan, 2024. "Distribution of Pt single atom coordination environments on anatase TiO2 supports controls reactivity," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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