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Cu(II)-Doped TiO2 Nanoparticles as Photoelectrode in Dye-Sensitized Solar Cells: Improvement of Open-Circuit Voltage and a Light Scattering Effect

Navas, Javier ; Aguilar, Teresa ; Fernández-Lorenzo, Concha ; Alcántara, Rodrigo ; De Santos, Desiré Los M. ; Sánchez-Coronilla, Antonio ; Zorrilla, David ; Sánchez-Márquez, Jesús ; Martín-Calleja, Joaquín

Science of advanced materials, 2014-03, Vol.6 (3), p.473-482

American Scientific Publishers

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Título:
Cu(II)-Doped TiO2 Nanoparticles as Photoelectrode in Dye-Sensitized Solar Cells: Improvement of Open-Circuit Voltage and a Light Scattering Effect
Autor: Navas, Javier ; Aguilar, Teresa ; Fernández-Lorenzo, Concha ; Alcántara, Rodrigo ; De Santos, Desiré Los M. ; Sánchez-Coronilla, Antonio ; Zorrilla, David ; Sánchez-Márquez, Jesús ; Martín-Calleja, Joaquín
Assuntos: Copper ; CU-DOPED TIO2 ; CURRENT DENSITY ; DOPING ; Dye-Sensitized Solar Cells ; DYES ; Electric potential ; ELECTRODES ; Light scattering ; Light Scattering Effect ; Nanoparticles ; Open-Circuit Voltage ; PARTICLES ; Photovoltaic cells ; SCATTERING ; Solar cells ; TITANIUM DIOXIDE ; VOLTAGE
É parte de: Science of advanced materials, 2014-03, Vol.6 (3), p.473-482
Notas: 1947-2935(20140301)6:3L.473;1-
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Cu-doped TiO2 nanoparticles were synthesized for use as photoanodes in dye-sensitized solar cells (DSSCs). The nanoparticles were characterized by using inductively coupled plasma atomic emission spectroscopy, X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, scanning transmission electron microscopy and UV-Vis spectroscopy. Cu-doped TiO2 nanoparticles showed a low band gap energy. Normally, using these nanoparticles in photovoltaic devices leads to an increase in the open-circuit voltage (VOC), caused by a negative displacement of the flat band voltage (VFB), with a simultaneous decrease in the short-circuit current density (Jsc). This study presents a way of resolving this problem by using a second deposition of nanoparticles in the electrode of the cells. This produces a light scattering effect that makes it possible to minimize the decrease in Jsc produced by the cells. The distribution of these types of nanoparticles was confirmed using scanning transmission electron microscopy.
Editor: American Scientific Publishers
Idioma: Inglês

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Cu(II)-Doped TiO2 Nanoparticles as Photoelectrode in Dye-Sensitized Solar Cells: Improvement of Open-Circuit Voltage and a Light Scattering Effect

Navas, Javier ; Aguilar, Teresa ; Fernández-Lorenzo, Concha ; Alcántara, Rodrigo ; De Santos, Desiré Los M. ; Sánchez-Coronilla, Antonio ; Zorrilla, David ; Sánchez-Márquez, Jesús ; Martín-Calleja, Joaquín

American Scientific Publishers

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