Charge Distribution between UV-Irradiated TiO2 and Gold Nanoparticles: Determination of Shift in the Fermi Level
Тип публикации: Journal Article
Дата публикации: 2003-02-15
scimago Q1
wos Q1
БС1
SJR: 2.967
CiteScore: 14.9
Impact factor: 9.1
ISSN: 15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Краткое описание
TiO2 nanoparticles when subjected to UV irradiation exhibit blue coloration as electrons are stored within the particles. Upon contact with gold nanoparticles, a partial disappearance of the blue color is seen as the stored electrons are transferred from TiO2 to Au nanoparticles. The charge distribution between the semiconductor and metal nanoparticles causes the Fermi level to shift to more negative potentials. By employing C60/C60•- as a probe−redox couple, we were able to estimate the apparent Fermi levels of TiO2 and TiO2/Au nanoparticles. A Fermi level shift of −22 mV observed for the Au−TiO2 nanocomposite is indicative of improved charge separation in semiconductor−metal systems and demonstrates its usefulness for improving the efficiency of photocatalytic reactions.
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ГОСТ
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Jakob M., Levanon H., Kamat P. V. Charge Distribution between UV-Irradiated TiO2 and Gold Nanoparticles: Determination of Shift in the Fermi Level // Nano Letters. 2003. Vol. 3. No. 3. pp. 353-358.
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Jakob M., Levanon H., Kamat P. V. Charge Distribution between UV-Irradiated TiO2 and Gold Nanoparticles: Determination of Shift in the Fermi Level // Nano Letters. 2003. Vol. 3. No. 3. pp. 353-358.
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TY - JOUR
DO - 10.1021/nl0340071
UR - https://doi.org/10.1021/nl0340071
TI - Charge Distribution between UV-Irradiated TiO2 and Gold Nanoparticles: Determination of Shift in the Fermi Level
T2 - Nano Letters
AU - Jakob, Manuela
AU - Levanon, Haim
AU - Kamat, Prashant V.
PY - 2003
DA - 2003/02/15
PB - American Chemical Society (ACS)
SP - 353-358
IS - 3
VL - 3
SN - 1530-6984
SN - 1530-6992
ER -
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BibTex (до 50 авторов)
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@article{2003_Jakob,
author = {Manuela Jakob and Haim Levanon and Prashant V. Kamat},
title = {Charge Distribution between UV-Irradiated TiO2 and Gold Nanoparticles: Determination of Shift in the Fermi Level},
journal = {Nano Letters},
year = {2003},
volume = {3},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/nl0340071},
number = {3},
pages = {353--358},
doi = {10.1021/nl0340071}
}
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MLA
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Jakob, Manuela, et al. “Charge Distribution between UV-Irradiated TiO2 and Gold Nanoparticles: Determination of Shift in the Fermi Level.” Nano Letters, vol. 3, no. 3, Feb. 2003, pp. 353-358. https://doi.org/10.1021/nl0340071.