Influence of pH on the DSSC Performance of Template Assisted SnO2 Nanostructures

2021 ◽  
Author(s):  
vasanthapriya R ◽  
NEELAKANDESWARI N ◽  
K. Uthayarani ◽  
M. Chitra
Keyword(s):  
Tin Oxide ◽  
Dye Sensitized Solar Cells ◽  
Spectroscopic Techniques ◽  
Sno2 Nanostructures ◽  
X Ray Diffraction ◽  
Oxide Nanostructures ◽  
Current Voltage ◽  
Tin Oxide Nanoparticles ◽  
First Time ◽  
Sensitized Solar Cells

Abstract This paper reports the performance of alizarin based SnO2 dye-sensitized solar cells. A novel template assisted method has been applied for the preparation of tin oxide nanoparticles. For the first time, onion (Allium cepa) was used as a template for the synthesis of tin oxide nanostructures at different pH values. Tin oxide nanostructures were used for the photoanode preparation. A sandwich cell was prepared by using the dye soaked SnO2 film as a photoanode and platinum as a counter electrode. The structural, morphological and optical properties of the nanoparticles were studied using powder X-ray diffraction (XRD), Scanning Electron microscope (SEM), Photoluminescence (PL), Attenuated Total Reflectance (ATR) spectra and UV-visible spectroscopic techniques. Current-voltage (I-V) characteristics have been measured using electrochemical workstation under the presence of solar illumination. Characteristic parameters of the fabricated cell were determined on the basis of the measured I-V curves.

Chemical Effects of Tin Oxide Nanoparticles in Polymer Electrolytes-Based Dye-Sensitized Solar Cells

2014 ◽  
Vol 118 (30) ◽  
pp. 16510-16517 ◽  
Author(s):  
Hwaseok Chae ◽  
Donghoon Song ◽  
Yong-Gun Lee ◽  
Taewook Son ◽  
Woohyung Cho ◽  
...  
Keyword(s):  
Solar Cells ◽  
Tin Oxide ◽  
Polymer Electrolytes ◽  
Dye Sensitized Solar Cells ◽  
Oxide Nanoparticles ◽  
Dye Sensitized ◽  
Chemical Effects ◽  
Tin Oxide Nanoparticles ◽  
Sensitized Solar Cells

One pot synthesis of multi-functional tin oxide nanostructures for high efficiency dye-sensitized solar cells

2015 ◽  
Vol 646 ◽  
pp. 32-39 ◽  
Author(s):  
Qamar Wali ◽  
Azhar Fakharuddin ◽  
Amina Yasin ◽  
Mohd Hasbi Ab Rahim ◽  
Jamil Ismail ◽  
...  
Keyword(s):  
Solar Cells ◽  
Tin Oxide ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
One Pot ◽  
Dye Sensitized ◽  
One Pot Synthesis ◽  
Oxide Nanostructures ◽  
Sensitized Solar Cells

A low-cost, vein graphite/tin oxide nanoparticles based composite counter electrode for efficient dye-sensitized solar cells

2021 ◽  
Vol 273 ◽  
pp. 115440
Author(s):  
M.A.K.L. Dissanayake ◽  
J.M.K.W. Kumari ◽  
G.K.R. Senadeera ◽  
T. Jaseetharan ◽  
Janith Weerasinghe ◽  
...  
Keyword(s):  
Solar Cells ◽  
Tin Oxide ◽  
Counter Electrode ◽  
Low Cost ◽  
Dye Sensitized Solar Cells ◽  
Oxide Nanoparticles ◽  
Dye Sensitized ◽  
Tin Oxide Nanoparticles ◽  
Sensitized Solar Cells ◽  
Vein Graphite

Influence of Graphene (0.01 wt. %) on Structural, Morphological and Photovoltaic Properties of TiO2-Based DSSC Using Electrolyte Gel

2016 ◽  
Vol 846 ◽  
pp. 298-307 ◽  
Author(s):  
Huda Abdullah ◽  
Savisha Mahalingam ◽  
Azimah Omar ◽  
Mohd Zikri Razali ◽  
Aisyah Bolhan ◽  
...  
Keyword(s):  
Thin Films ◽  
Dye Sensitized Solar Cells ◽  
Open Circuit ◽  
X Ray Diffraction ◽  
Photovoltaic Properties ◽  
X Ray ◽  
Current Voltage ◽  
Reduced Graphene ◽  
The Stability ◽  
Sensitized Solar Cells

Titanium dioxide (TiO2) based dye-sensitized solar cells (DSSCs) doped with reduced graphene oxide, rGO also known as graphene were fabricated at concentrations of 0.01 wt.% . The performance of TiO2/graphene based DSSC and TiO2 based DSSC were studied using electrolytes; PAN-based gel electrolyte. The thin films were characterized using several characterizations such as scanning electron microscope (SEM), Energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD) and current-voltage (I-V) measurement. The micrograph images obtained by SEM demonstrated that the thin films are highly porous. The XRD characterization showed that the crystalline particle of thin films is an anatase state and high percentage of carbon composition can be determined using EDX analysis. Through I-V characteristic, the current density Jsc, open circuit-voltage Voc, fill-factor FF, and efficiency η of the TiO2-based DSSC were 0.196 mA/cm2, 0.44 V, 0.496 and 0.043% respectively. I-V characteristic showed an increase in values for rGO/TiO2 based DSSC such as Jsc = 1.177 mA/cm2, Voc = 0.66 V, FF = 0.656 and η = 0.509%. The addition of rGO concentration has improved the efficiency of DSSC while the use of electrolyte gel can sustain the stability of the cell.

scholarly journals How Can the Introduction of Zr4+ Ions into TiO2 Nanomaterial Impact the DSSC Photoconversion Efficiency? A Comprehensive Theoretical and Experimental Consideration

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2955
Author(s):  
Aleksandra Bartkowiak ◽  
Oleksandr Korolevych ◽  
Gian Luca Chiarello ◽  
Malgorzata Makowska-Janusik ◽  
Maciej Zalas
Keyword(s):  
Density Functional ◽  
Sol Gel ◽  
Dye Sensitized Solar Cells ◽  
Positive Influence ◽  
Photoconversion Efficiency ◽  
Doped Tio2 ◽  
Computational Calculations ◽  
Tio2 Nanomaterials ◽  
First Time ◽  
Sensitized Solar Cells

A series of pure and doped TiO2 nanomaterials with different Zr4+ ions content have been synthesized by the simple sol-gel method. Both types of materials (nanopowders and nanofilms scratched off of the working electrode’s surface) have been characterized in detail by XRD, TEM, and Raman techniques. Inserting dopant ions into the TiO2 structure has resulted in inhibition of crystal growth and prevention of phase transformation. The role of Zr4+ ions in this process was explained by performing computer simulations. The three structures such as pure anatase, Zr-doped TiO2, and tetragonal ZrO2 have been investigated using density functional theory extended by Hubbard correction. The computational calculations correlate well with experimental results. Formation of defects and broadening of energy bandgap in defected Zr-doped materials have been confirmed. It turned out that the oxygen vacancies with substituting Zr4+ ions in TiO2 structure have a positive influence on the performance of dye-sensitized solar cells. The overall photoconversion efficiency enhancement up to 8.63% by introducing 3.7% Zr4+ ions into the TiO2 has been confirmed by I-V curves, EIS, and IPCE measurements. Such efficiency of DSSC utilizing the working electrode made by Zr4+ ions substituted into TiO2 material lattice has been for the first time reported.

GROWTH OF ANTIMONY DOPED ZnO FIBER AND ITS APPLICATION IN DYE SENSITIZED SOLAR CELLS

2010 ◽  
Vol 03 (04) ◽  
pp. 279-283 ◽  
Author(s):  
LEI GUO ◽  
LEI L. KERR
Keyword(s):  
Thermal Evaporation ◽  
Dye Sensitized Solar Cells ◽  
Antimony Oxide ◽  
Dye Sensitized Solar Cell ◽  
Evaporation Process ◽  
Electron Backscattered Diffraction ◽  
Dye Sensitized ◽  
Current Voltage ◽  
Doped Zno ◽  
Sensitized Solar Cells

Antimony doped ZnO (ZnO:Sb) fiber was grown by a simple thermal evaporation process of Zn powder and Sb2O3 . Scanning Electron Microscopy (SEM) shows that the grown fiber reaches more than 70 μm, which is the longest ZnO fiber reported in literature. Electron Backscattered Diffraction (EBSD) study indicates that this crystal is composed of three main phases: antimony doped zinc oxide (ZnO:Sb) , ordonezite (ZnSb2O6) and zinc antimony oxide (Zn7Sb2O12) . The current–voltage (I–V) characteristics demonstrate that the conversion efficiency of dye sensitized solar cell was greatly enhanced by ZnO:Sb fiber.

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