Mendeleev Communications

, том 33 , издание 3 , страницы 349-352

Titanium dioxide nanoparticles heavily doped with niobium: A light-induced electron paramagnetic resonance study

Vladimir Osipov ^{1, 2}

Dong Hao ^{3, 4}

KAZUYUKI TAKAI ¹

Tetsuo Uchikoshi ^{4, 5}

Hironori Ogata ^{1, 4}

Takamasa Ishigaki ^{1, 4}

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Department of Chemical Science and Technology, Faculty of Bioscience and Applied Chemistry, Hosei University, Koganei, Tokyo 184-8584, Japan |

Ioffe Institute, 194021 St. Petersburg, Russian Federation |

Ceramic Research Center, Saga University, Arita, Saga 844-0013, Japan |

⁴

Research Center for Micro-Nano Technology, Hosei University, Koganei, Tokyo 184-0003, Japan |

⁵

Research Center for Functional Materials, National Institute for Material Science, Tsukuba, Ibaraki 305-0047, Japan |

Тип публикации: Journal Article

Дата публикации: 2023-05-19

OOO Zhurnal "Mendeleevskie Soobshcheniya"

Mendeleev Communications

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SJR: 0.305

CiteScore: 3.0

Impact factor: 1.7

ISSN: 09599436, 1364551X

DOI: 10.1016/j.mencom.2023.04.017

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General Chemistry

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Light-induced electron paramagnetic resonance (EPR) spectra of titanium dioxide nanoparticles heavily doped with niobium(v) are studied. At low temperatures, the EPR signal caused by interband illumination is associated with paramagnetic Ti3+ sites in anatase, which, as the temperature rises above 210 K, are discharged to the non-paramagnetic Ti4+ state due to the escape of trapped photoelectrons and their recombination with holes. The temperature dependence of the integral EPR signal has a non-Curie character, especially in the temperature range where the discharge of Ti3+ centers is already significant.

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Osipov V. et al. Titanium dioxide nanoparticles heavily doped with niobium: A light-induced electron paramagnetic resonance study // Mendeleev Communications. 2023. Vol. 33. No. 3. pp. 349-352.

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Osipov V., Hao D., TAKAI K., Uchikoshi T., Ogata H., Ishigaki T. Titanium dioxide nanoparticles heavily doped with niobium: A light-induced electron paramagnetic resonance study // Mendeleev Communications. 2023. Vol. 33. No. 3. pp. 349-352.

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TY - JOUR

DO - 10.1016/j.mencom.2023.04.017

UR - https://doi.org/10.1016/j.mencom.2023.04.017

TI - Titanium dioxide nanoparticles heavily doped with niobium: A light-induced electron paramagnetic resonance study

T2 - Mendeleev Communications

AU - Osipov, Vladimir

AU - Hao, Dong

AU - TAKAI, KAZUYUKI

AU - Uchikoshi, Tetsuo

AU - Ogata, Hironori

AU - Ishigaki, Takamasa

PY - 2023

DA - 2023/05/19

PB - OOO Zhurnal "Mendeleevskie Soobshcheniya"

SP - 349-352

IS - 3

VL - 33

SN - 0959-9436

SN - 1364-551X

ER -

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@article{2023_Osipov,

author = {Vladimir Osipov and Dong Hao and KAZUYUKI TAKAI and Tetsuo Uchikoshi and Hironori Ogata and Takamasa Ishigaki},

title = {Titanium dioxide nanoparticles heavily doped with niobium: A light-induced electron paramagnetic resonance study},

journal = {Mendeleev Communications},

year = {2023},

volume = {33},

publisher = {OOO Zhurnal "Mendeleevskie Soobshcheniya"},

month = {may},

url = {https://doi.org/10.1016/j.mencom.2023.04.017},

number = {3},

pages = {349--352},

doi = {10.1016/j.mencom.2023.04.017}

}

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Osipov, Vladimir, et al. “Titanium dioxide nanoparticles heavily doped with niobium: A light-induced electron paramagnetic resonance study.” Mendeleev Communications, vol. 33, no. 3, May. 2023, pp. 349-352. https://doi.org/10.1016/j.mencom.2023.04.017.