najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2023-14-4-447-453najo-177Research ArticleCHEMISTRY AND MATERIALS SCIENCEХИМИЯ И НАУКА О МАТЕРИАЛАХInduced surface photovoltage in TiO2 sol-gel nanoparticlesИндуцированное поверхностное фотонапряжение в золь-гель наночастицах TiO2https://orcid.org/0000-0001-9229-6758ДорошеваИ. Б.DoroshevaI. B.

Irina B. Dorosheva 

Mira str., 19, Yekaterinburg, 620002;  Amundsena str., 101, Yekaterinburg, 620016

i.b.dorosheva@urfu.ruhttps://orcid.org/0000-0003-2529-3770ВохминцевА. С.VokhmintsevA. S.

Alexander S. Vokhmintsev

Mira str., 19, Yekaterinburg, 620002

a.s.vokhmintsev@urfu.ruhttps://orcid.org/0000-0002-5573-7128ВайнштейнИ. А.WeinsteinI. A.

Ilya A. Weinstein

Mira str., 19, Yekaterinburg, 620002 ; Amundsena str., 101, Yekaterinburg, 620016

i.a.weinstein@urfu.ruhttps://orcid.org/0000-0002-0543-9982РемпельА. А.RempelA. A.

Andrey A. Rempel

Mira str., 19, Yekaterinburg, 620002 ; Amundsena str., 101, Yekaterinburg, 620016

rempel.imet@mail.ruUral Federal University; Institute of Metallurgy of the Ural Branch of the Russian Academy of SciencesRussian FederationUral Federal UniversityRussian Federation202303062025144447453Copyright © Dorosheva I.B., Vokhmintsev A.S., Weinstein I.A., Rempel A.A., 20252025Дорошева И.Б., Вохминцев А.С., Вайнштейн И.А., Ремпель А.А.Dorosheva I.B., Vokhmintsev A.S., Weinstein I.A., Rempel A.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/177

TiO2 nanoparticles synthesized by the sol-gel method and modified by annealing in air and hydrogen atmospheres were studied by surface photovoltage spectroscopy (SPS). SPS measurements showed that the modified in air TiO2 nanoparticles have a more intense signal than those treated in hydrogen. A linear correlation was found between the SPS and the diffuse reflectance spectra of the samples.

Наночастицы TiO2, синтезированные золь-гель методом и модифицированные отжигом в атмосфере воздуха и водорода, были исследованы методом поверхностной фотоэлектрической спектроскопии. Измерения показали, что модифицированные на воздухе наночастицы TiO2 имеют более интенсивный сигнал, чем обработанные в водороде. Обнаружена линейная корреляция между сигналом фото-ЭДС и спектрами диффузного отражения образцов.

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The authors declare that there are no conflicts of interest present.