Enhancement of Dye-Sensitized Solar Cells Efficiency Using Mixed-Phase TiO2 Nanoparticles as Photoanode

Dye-sensitized solar cell (DSSC) is a potential candidate to replace conventional silicon-based solar cells because of high efficiency, cheap cost, and lower energy consumption in comparison with silicon chip manufacture. In this report, mixed-phase (anatase and rutile nanoparticles) TiO2 photoanode...

Full description

Saved in:
Bibliographic Details
Published inScanning Vol. 2017; no. 2017; pp. 1 - 7
Main Authors Fan, Yi-Hua, Chang, Yaw-Jen, Ho, Ching-Yuan
Format Journal Article
LanguageEnglish
Published Cairo, Egypt Hindawi Publishing Corporation 01.01.2017
Hindawi
Hindawi Limited
Subjects
Anatase
Climate change
Crystallization
Dye-sensitized solar cells
Dyes
Efficiency
Electrical impedance
Electrodes
Electrolytes
Energy consumption
Energy conversion efficiency
Energy measurement
Glass substrates
Investigations
Morphology
Nanomaterials
Nanoparticles
Photoanodes
Photocatalysis
Photoluminescence
Photovoltaic cells
Physical chemistry
Polyethylene glycol
Rutile
Silicon
Titanium dioxide
Titanium oxides
X-ray diffraction
Online AccessGet full text

Cover

More Information
Summary:Dye-sensitized solar cell (DSSC) is a potential candidate to replace conventional silicon-based solar cells because of high efficiency, cheap cost, and lower energy consumption in comparison with silicon chip manufacture. In this report, mixed-phase (anatase and rutile nanoparticles) TiO2 photoanode was synthesized to investigate material characteristics, carriers transport, and photovoltaic performance for future DSSC application. Field-emission scanning electron microscope (SEM), X-ray diffraction (XRD), photoluminescence (PL), and UV-visible spectroscopy were used to characterize mixed TiO2 particles. Subsequently, various mixed-phase TiO2 anodes in DSSC devices were measured by electrical impedance spectra (EIS) and energy efficiency conversion. The overall energy conversion efficiency of DSSC chip was improved as a result of the increase of rutile phase of TiO2 (14%) in anatase matrix. Synergistic effects including TiO2 crystallization, reduction of defect density level in energy band, longer lifetime of photoexcited electrons, and lower resistance of electron pathway all contributed to high efficiency of light energy conversion.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Academic Editor: Guosong Wu
ISSN:0161-0457
1932-8745
DOI:10.1155/2017/9152973