Physical Properties of MEH-PPV Thin Films at Different Ageing

Najwa Ezira Ahmed Azhar; A.K.S. Shafura; Irma Hidayanti Halim Affendi; Shafinaz Shariffudin; Mohamad Rusop

doi:10.4028/www.scientific.net/AMR.1109.534

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1109Physical Properties of MEH-PPV Thin Films at...

Physical Properties of MEH-PPV Thin Films at Different Ageing

Abstract:

Poly (2-methoxy-5(2’-ethylhexyloxy)-phenylene vinylene) (MEH-PPV) thin films were deposited by spin-coating technique. The MEH-PPV powders were dissolved in toluene solution. In this study, we report the effect of ageing on electrical and optical properties MEH-PPV thin films. The thickness of MEH-PPV increased as ageing time increased. The electrical properties were obtained using 2-point probe. The resistivity of thin films decreased as ageing time increased and vice versa with conductivity. The optical properties were investigated using UV-Visible-NIR (UV-VIS-NIR) and atom force microscope (AFM). From UV-Vis result shows the lower band gaps of films in toluene solution proved MEH-PPV has longer conjugation segments. The surface roughness of thin films decreased with the increased of ageing time; which is caused by the aggregation of the MEH-PPV. The PL spectra show the quenching of emission might be due to the conjugation of length polymer changes in different ageing times.

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Periodical:

Advanced Materials Research (Volume 1109)

Pages:

534-538

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1109.534

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Online since:

June 2015

Authors:

Najwa Ezira Ahmed Azhar*, A.K.S. Shafura, Irma Hidayanti Halim Affendi, Shafinaz Shariffudin, Mohamad Rusop

Keywords:

Ageing Time, Electrical Properties, MEH-PPV, Optical, Spin-Coating

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References

[1] K. H. Ibnaouf, Excimer state of a conjugated polymer (MEH-PPV) in thin films, Opt. Laser Technol., vol. 48, p.401–404, Jun. (2013).

DOI: 10.1016/j.optlastec.2012.11.015

Google Scholar

[2] N. Juhari, W. H. a. Majid, and a. I. Zainol, The SEM & AFM Images of MEH-PPV Films below CLA Region, Procedia Eng., vol. 53, p.354–361, Jan. (2013).

DOI: 10.1016/j.proeng.2013.02.046

Google Scholar

[3] Nurjuliana Juhari, Wan Haliza Abd. Majid and Zainol Abidin Ibrahim, Structural And Optical Studies Of Meh-Ppv Using Two Different Solvents Prepared By Spin Coating Technique, S. S. Science, vol. 15, no. 1, p.141–146, (2007).

Google Scholar

[4] E. D. Oled, N. Juharia, W. Haliza, A. Majidb, and Z. A. Ibrahimb, Degradation of Single Layer MEH-PPV Organic Light, p.112–115, (2006).

Google Scholar

[5] S. H. Chen, A. C. Su, C. S. Chang, H. L. Chen, D. L. Ho, C. S. Tsao, K. Y. Peng, and S. A. Chen, Aging of Solutions and Subsequent Effects on Luminescence Behavior of Cast Films, vol. 173, no. 13, p.8909–8915, (2014).

DOI: 10.1021/la049083d

Google Scholar

[6] S. Adachi, Optical Properties, p.307–356, Mar. (2009).

Google Scholar

[7] F. Kong, S. Y. Zhang, C. Z. Yang, and R. K. Yuan, Interchain excited states in annealed poly [2-methoxy-5-(2'-ethyl-hexyloxy)-p-phenylene vinylene] films, Mater. Lett., vol. 60, no. 29–30, p.3887–3890, Dec. (2006).

DOI: 10.1016/j.matlet.2006.03.134

Google Scholar

[8] S. S. Shariffudin, N. Z. Abidin, N. Z. Yahya, A. A. Aziz, S. H. Herman, and M. Rusop, Effect of solution concentration on the morphology, electrical, and optical properties of MEH-PPV thin films, 2012 10th IEEE Int. Conf. Semicond. Electron., p.293–297, Sep. (2012).

DOI: 10.1109/smelec.2012.6417144

Google Scholar

[9] T. -Q. Nguyen, V. Doan, and B. J. Schwartz, Conjugated polymer aggregates in solution: Control of interchain interactions, J. Chem. Phys., vol. 110, no. 8, p.4068, (1999).

DOI: 10.1063/1.478288

Google Scholar