A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications

This study examined the absorbance of ruthenium-doped nanocrystalline titanium dioxide and its application to dye-sensitized solar cells (DSSCs). Avaspec 2.1 spectrophotometer revealed that ruthenium-dyed TiO2 can absorb light beyond the ultraviolet region. The well-known Tauc model was employed to...

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Autores principales:	Ozuomba, J., Ekpunobi, A.
Formato:	article
Lenguaje:	EN
Publicado:	D.Ghitu Institute of Electronic Engineering and Nanotechnologies 2013
Materias:	Physics QC1-999 Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/0486946d0cc9468da5053bc8f6fd57cb
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spelling	oai:doaj.org-article:0486946d0cc9468da5053bc8f6fd57cb2021-11-21T11:59:42ZA study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications2537-63651810-648Xhttps://doaj.org/article/0486946d0cc9468da5053bc8f6fd57cb2013-06-01T00:00:00Zhttps://mjps.nanotech.md/archive/2013/article/29765https://doaj.org/toc/1810-648Xhttps://doaj.org/toc/2537-6365This study examined the absorbance of ruthenium-doped nanocrystalline titanium dioxide and its application to dye-sensitized solar cells (DSSCs). Avaspec 2.1 spectrophotometer revealed that ruthenium-dyed TiO2 can absorb light beyond the ultraviolet region. The well-known Tauc model was employed to determine the optical band gap. We observed that the optical band gap of the sensitized TiO2 was reduced, thus enabling the absorbance of the wide-band-gap semiconductor in the visible region. The energy conversion efficiency of the DSSC prepared from the ruthenium-dyed TiO2 anode electrode was 1.71%.Ozuomba, J.Ekpunobi, A.D.Ghitu Institute of Electronic Engineering and NanotechnologiesarticlePhysicsQC1-999ElectronicsTK7800-8360ENMoldavian Journal of the Physical Sciences, Vol 12, Iss 3-4, Pp 165-171 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronics TK7800-8360
spellingShingle	Physics QC1-999 Electronics TK7800-8360 Ozuomba, J. Ekpunobi, A. A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
description	This study examined the absorbance of ruthenium-doped nanocrystalline titanium dioxide and its application to dye-sensitized solar cells (DSSCs). Avaspec 2.1 spectrophotometer revealed that ruthenium-dyed TiO2 can absorb light beyond the ultraviolet region. The well-known Tauc model was employed to determine the optical band gap. We observed that the optical band gap of the sensitized TiO2 was reduced, thus enabling the absorbance of the wide-band-gap semiconductor in the visible region. The energy conversion efficiency of the DSSC prepared from the ruthenium-dyed TiO2 anode electrode was 1.71%.
format	article
author	Ozuomba, J. Ekpunobi, A.
author_facet	Ozuomba, J. Ekpunobi, A.
author_sort	Ozuomba, J.
title	A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
title_short	A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
title_full	A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
title_fullStr	A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
title_full_unstemmed	A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
title_sort	study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications
publisher	D.Ghitu Institute of Electronic Engineering and Nanotechnologies
publishDate	2013
url	https://doaj.org/article/0486946d0cc9468da5053bc8f6fd57cb
work_keys_str_mv	AT ozuombaj astudyofthebandgapofsensitizedtitaniumdioxidenanoparticlesandtheirphotovoltaicapplications AT ekpunobia astudyofthebandgapofsensitizedtitaniumdioxidenanoparticlesandtheirphotovoltaicapplications AT ozuombaj studyofthebandgapofsensitizedtitaniumdioxidenanoparticlesandtheirphotovoltaicapplications AT ekpunobia studyofthebandgapofsensitizedtitaniumdioxidenanoparticlesandtheirphotovoltaicapplications
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A study of the band gap of sensitized titanium dioxide nanoparticles and their photovoltaic applications

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