scholarly journals Electrophoretic graphene oxide surface passivation on titanium dioxide for dye sensitized solar cell application

2020 ◽  
Vol 5 (3) ◽  
pp. 316-321
Author(s):  
Arya Vasanth ◽  
Niket Suresh Powar ◽  
Divya Krishnan ◽  
Shantikumar V. Nair ◽  
Mariyappan Shanmugam
Keyword(s):  
Titanium Dioxide ◽  
Graphene Oxide ◽  
Solar Cell ◽  
Surface Passivation ◽  
Dye Sensitized Solar Cell ◽  
Oxide Surface ◽  
Solar Cell Application ◽  
Dye Sensitized

Chemical, optical and photovoltaic properties of TiO2/reduced graphene oxide photoanodes sensitized with Roselle and N719 dyes for dye-sensitized solar cell application

2020 ◽  
Vol 49 (4) ◽  
pp. 315-324
Author(s):  
Azimah Omar ◽  
Muhamad Saipul Fakir ◽  
Khairus Syifa Hamdan ◽  
Nurul Hidayah Rased ◽  
Nasrudin Abd. Rahim
Keyword(s):  
Graphene Oxide ◽  
Solar Cell ◽  
Reduced Graphene Oxide ◽  
Dye Sensitized Solar Cell ◽  
Lambert W Function ◽  
Photovoltaic Properties ◽  
Solar Cell Application ◽  
Content Type ◽  
Dye Sensitized ◽  
Reduced Graphene

Purpose The purpose of this paper is to investigate the chemical, optical and photovoltaic properties of titanium dioxide/reduced graphene oxide (TiO2/rGO) photoanodes immersed in natural Roselle and synthetic (N719) dyes for dye-sensitized solar cell (DSSC) application. Design/methodology/approach TiO2 mixed with rGO were doctor-bladed on fluorine doped tin oxide (FTO) glass substrate. The chemical and optical properties of TiO2/rGO photoanodes immersed in Roselle and N719 dyes were characterized using Fourier-transformed infrared (FTIR) and ultraviolet–visible (UV–vis) spectroscopies, respectively. The DSSC’s photovoltaic performances were tested using Visiontec Solar I-V tester at standard illumination of AM1.5 and irradiance level of 100 mW/cm2. Findings The presence of anthocyanin dye from Roselle flower was detected at 604 nm and 718 nm. TiO2/rGO+Roselle dye sample revealed the smallest energy gap of 0.17 eV for ease of electron movement from valence band to conduction band. The TiO2/rGO-based DSSC fabricated with Roselle dye had a power conversion efficiency, ƞ of 0.743 per cent higher than TiO2/rGO photoanode sensitized with N719 dye (0.334 per cent). The obtained J-V curves were analyzed by a single-diode model of Lambert W-function and manual optimization to determine the internal electrical parameters of the DSSC. The average and uncertainty values of Jsc and ƞ were evaluated at different Rsh range of 1362 Ω to 32 k Ω. Research limitations/implications Rs values were kept constant during optimization work. Originality/value New ideality factor of TiO2/rGO-based DSSC was re-determined around 0.9995.

scholarly journals The Synchronization of Electron Enricher and Electron Extractor as Ternary Composite Photoanode for Enhancement of DSSC Performance

2020 ◽  
Vol 2020 ◽  
pp. 1-11 ◽  
Author(s):  
Weradesh Sangkhun ◽  
Sompit Wanwong ◽  
Nutthapon Wongyao ◽  
Teera Butburee ◽  
Pisist Kumnorkaew ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Graphene Oxide ◽  
Solar Cell ◽  
Power Conversion ◽  
Dye Sensitized Solar Cell ◽  
Ternary Composite ◽  
Dye Sensitized ◽  
Commercial Titanium ◽  
Reduced Graphene ◽  
Doped Titanium Dioxide

This work developed a novel ternary composite photoanode of dye-sensitized solar cell (DSSC) composed of (i) N-, S-doped titanium dioxide with exposed {001} facet (N-, S-TiO2{001}), (ii) N-, S-doped reduced graphene oxide (N-, S-rGO), and (iii) commercial titanium dioxide (P25). The DSSC device fabricated with the ternary composite photoanode showed the greatest of power conversion efficiency (8.62%) compared to the device fabricated with P25 photoanode (3.20%). This enhancement was attributed to the synergistic effect of the N-, S-TiO2{001} and the N-, S-rGO, which act as an electron enricher and an electron extractor, respectively.

Theoretical studies on the spectroscopic properties of porphyrin derivatives for dye-sensitized solar cell application

RSC Advances ◽  
2015 ◽  
Vol 5 (42) ◽  
pp. 33653-33665 ◽  
Author(s):  
Miao Xie ◽  
Jian Wang ◽  
Hong-Qiang Xia ◽  
Fu-Quan Bai ◽  
Ran Jia ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Solar Cell ◽  
Spectroscopic Properties ◽  
Dye Sensitized Solar Cell ◽  
Theoretical Studies ◽  
Solar Cell Application ◽  
Dye Sensitized ◽  
Porphyrin Derivatives ◽  
Titanium Dioxide Surface ◽  
Photovoltaic Parameters

Three natural porphyrin derivatives as dyes adsorbed on the semiconductor titanium dioxide surface were studied theoretically to explore their spectroscopic properties, photovoltaic parameters and potential application future in DSSCs.

Optimization of titanium dioxide film prepared by electrophoretic deposition for dye-sensitized solar cell application

2009 ◽  
Vol 517 (16) ◽  
pp. 4663-4667 ◽  
Author(s):  
Wirat Jarernboon ◽  
Samuk Pimanpang ◽  
Santi Maensiri ◽  
Ekaphan Swatsitang ◽  
Vittaya Amornkitbamrung
Keyword(s):  
Titanium Dioxide ◽  
Solar Cell ◽  
Electrophoretic Deposition ◽  
Dye Sensitized Solar Cell ◽  
Titanium Dioxide Film ◽  
Solar Cell Application ◽  
Dye Sensitized ◽  
Dioxide Film
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