Peningkatan prestasi bagi sel suria pemeka warna menggunakan grafin oksida di dalam titanium dioksida sebagai fotoelektrod

Translated title of the contribution: Performance enhancement of dye sensitized solar cell using graphene oxide doped titanium dioxide photoelectrode

Ahmad Muslihin Ramli, Mohd Zikri Razali, Norasikin Ahmad Ludin

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Dye-sensitized solar cell (DSSCs) is one of the photovoltaic cells that have attracted extensive research over decade. In this study, different weight percentage (wt.%) of graphene oxide (GO) was used with titanium dioxide (TiO2) as photoelectrode in DSSCs. GO was synthesized by simplified Hummer’s method at ambient temperature. The amount of GO in composite film are designed from 0.0 wt.%, 0.4 wt.%, 0.6 wt. % and 0.8 wt.%. The prepared samples were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray Diffraction (XRD), Atomic Force Microscopy (AFM) and Incident Photon to Current Efficiency (IPCE). The photocurrent-voltage characteristics of the fabricated dye sensitized solar cells were examined using a solar simulator under 100 mW/cm2AM 1.5 xenon illumination. The results indicated that optimum the power conversion efficiency (PCE) was obtained for the device doped with 0.6 wt.% GO with the short circuit current density (Jsc), open circuit voltage (Voc) and PCE of 9.8 mA/cm2, 0.7 V and 3.7 %, respectively. It was observed that the introduction of 0.6 wt.% GO into TiO2photoelectrode has successfully increased the performance of DSSCs as much as 28% compared to the sample without GO. This is due to the increment in dye absorption and enhanced electron transportation as proven by IPCE analysis.

Original languageMalay
Pages (from-to)928-940
Number of pages13
JournalMalaysian Journal of Analytical Sciences
Volume21
Issue number4
DOIs
Publication statusPublished - 1 Aug 2017

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Graphite
Oxides
Conversion efficiency
Photons
Xenon
Photovoltaic cells
Composite films
Open circuit voltage
Photocurrents
Short circuit currents
Field emission
titanium dioxide
Dye-sensitized solar cells
Atomic force microscopy
Coloring Agents
Current density
Lighting
Simulators
X ray diffraction
Scanning electron microscopy

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Peningkatan prestasi bagi sel suria pemeka warna menggunakan grafin oksida di dalam titanium dioksida sebagai fotoelektrod. / Ramli, Ahmad Muslihin; Razali, Mohd Zikri; Ahmad Ludin, Norasikin.

In: Malaysian Journal of Analytical Sciences, Vol. 21, No. 4, 01.08.2017, p. 928-940.

Research output: Contribution to journalArticle

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abstract = "Dye-sensitized solar cell (DSSCs) is one of the photovoltaic cells that have attracted extensive research over decade. In this study, different weight percentage (wt.{\%}) of graphene oxide (GO) was used with titanium dioxide (TiO2) as photoelectrode in DSSCs. GO was synthesized by simplified Hummer’s method at ambient temperature. The amount of GO in composite film are designed from 0.0 wt.{\%}, 0.4 wt.{\%}, 0.6 wt. {\%} and 0.8 wt.{\%}. The prepared samples were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray Diffraction (XRD), Atomic Force Microscopy (AFM) and Incident Photon to Current Efficiency (IPCE). The photocurrent-voltage characteristics of the fabricated dye sensitized solar cells were examined using a solar simulator under 100 mW/cm2AM 1.5 xenon illumination. The results indicated that optimum the power conversion efficiency (PCE) was obtained for the device doped with 0.6 wt.{\%} GO with the short circuit current density (Jsc), open circuit voltage (Voc) and PCE of 9.8 mA/cm2, 0.7 V and 3.7 {\%}, respectively. It was observed that the introduction of 0.6 wt.{\%} GO into TiO2photoelectrode has successfully increased the performance of DSSCs as much as 28{\%} compared to the sample without GO. This is due to the increment in dye absorption and enhanced electron transportation as proven by IPCE analysis.",
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