Pengabungan grafin dalam elektrod lawan untuk meningkatkan prestasi sel suria terpeka pewarna

Translated title of the contribution: Incorporation of graphene into counter electrode to enhance the performance of dye-sensitized solar cells

Aisyah Bolhan, Norasikin Ahmad Ludin

Research output: Contribution to journalArticle

Abstract

Platinum (Pt) is a conventional material for counter electrodes of dye-sensitized solar cells (DSSCs) due to its excellent electrocatalytic activity in the redox process. However, the high cost of Pt motivates researchers to search for composite materials of Pt to reduce its consumption. This study is aimed to reduce Pt usage by incorporating reduced graphene oxide (rGO) with Pt of different ratios in counter electrode thin films and to determine the optimum ratio with the highest efficiency. A DSSC-based platinum/rGO (Pt/rGO) counter electrode composite was fabricated using doctor-blade method. X-ray diffraction analysis was performed to examine the crystallite structure of the Pt/rGO thin film. The optimum ratio was found to be 70:30 of Pt:rGO, with current-voltage characterization showing an efficiency of 5.5%, open-circuit voltage of 0.739 V, current density of 12.5 mA/cm2, and fill factor of 59.24%.

Original languageMalay
Pages (from-to)1120-1126
Number of pages7
JournalMalaysian Journal of Analytical Sciences
Volume21
Issue number5
DOIs
Publication statusPublished - 1 Oct 2017

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Platinum
Electrodes
Oxides
Thin films
Dye-sensitized solar cells
Composite materials
Open circuit voltage
X ray diffraction analysis
Oxide films
Current density
Electric potential

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Pengabungan grafin dalam elektrod lawan untuk meningkatkan prestasi sel suria terpeka pewarna. / Bolhan, Aisyah; Ahmad Ludin, Norasikin.

In: Malaysian Journal of Analytical Sciences, Vol. 21, No. 5, 01.10.2017, p. 1120-1126.

Research output: Contribution to journalArticle

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