Effect of graphite oxide solution concentration on the properties of multilayer graphene

Marjoni Imamora Ali Umar, Chi Chin Yap, Rozidawati Awang, Muhamad Mat Salleh, Muhammad Yahaya

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper reports the influence of graphite oxide (GO) solution concentration on the optical and electrical properties of multilayer graphene (MLG) films. Graphene oxide (GrO) films were deposited on the glass substrates by spin coating aqueous solutions of GO with different concentrations (7, 8, 9, 10 and 11 mg/ml). The GrO films were then thermally reduced at temperature of 500°C in argon flow for half an hour to form MLG films. Both the transmittance and sheet resistance decreased with the GO concentration from 8 mg/ml to 9 mg/ml, possibly due to thicker and uniform coverage of MLG over the substrate. However, the transmittance and sheet resistance increased rapidly as the GO concentration reached 11 mg/ml, which can be attributed to poor film quality. The MLG film obtained at concentration of 10 mg/ml showed the highest transmittance/sheet resistance ratio with 69 % transmittance and sheet resistance of 292 ± 63 kΩ/sq. The optimum MLG film was utilized as counter electrode in dye sensitized solar cells based on ZnO nanorods.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages115-119
Number of pages5
Volume1571
DOIs
Publication statusPublished - 2013
Event2013 UKM Faculty of Science and Technology Post-Graduate Colloquium - Selangor
Duration: 3 Jul 20134 Jul 2013

Other

Other2013 UKM Faculty of Science and Technology Post-Graduate Colloquium
CitySelangor
Period3/7/134/7/13

Fingerprint

graphene
graphite
oxides
transmittance
oxide films
nanorods
coating
counters
solar cells
dyes
electrical properties
argon
aqueous solutions
optical properties
electrodes
glass
temperature

Keywords

  • Dye sensitized solar cells
  • Sheet resistance
  • Transmittance

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Umar, M. I. A., Yap, C. C., Awang, R., Mat Salleh, M., & Yahaya, M. (2013). Effect of graphite oxide solution concentration on the properties of multilayer graphene. In AIP Conference Proceedings (Vol. 1571, pp. 115-119) https://doi.org/10.1063/1.4858639

Effect of graphite oxide solution concentration on the properties of multilayer graphene. / Umar, Marjoni Imamora Ali; Yap, Chi Chin; Awang, Rozidawati; Mat Salleh, Muhamad; Yahaya, Muhammad.

AIP Conference Proceedings. Vol. 1571 2013. p. 115-119.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Umar, MIA, Yap, CC, Awang, R, Mat Salleh, M & Yahaya, M 2013, Effect of graphite oxide solution concentration on the properties of multilayer graphene. in AIP Conference Proceedings. vol. 1571, pp. 115-119, 2013 UKM Faculty of Science and Technology Post-Graduate Colloquium, Selangor, 3/7/13. https://doi.org/10.1063/1.4858639
Umar MIA, Yap CC, Awang R, Mat Salleh M, Yahaya M. Effect of graphite oxide solution concentration on the properties of multilayer graphene. In AIP Conference Proceedings. Vol. 1571. 2013. p. 115-119 https://doi.org/10.1063/1.4858639
Umar, Marjoni Imamora Ali ; Yap, Chi Chin ; Awang, Rozidawati ; Mat Salleh, Muhamad ; Yahaya, Muhammad. / Effect of graphite oxide solution concentration on the properties of multilayer graphene. AIP Conference Proceedings. Vol. 1571 2013. pp. 115-119
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