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Polymers 2017, 9(2), 71; doi:10.3390/polym9020071

Optical Properties and Amplified Spontaneous Emission of Novel MDMO-PPV/C500 Hybrid

1
Department of Physics & Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
2
Research Chair in Laser Diagnosis of Cancers, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
3
Department of Physics, Faculty of Science, Sana’a University, P.O. Box 12544 Sana’a, Yemen
*
Authors to whom correspondence should be addressed.
Academic Editor: Shiao-Wei Kuo
Received: 25 January 2017 / Revised: 13 February 2017 / Accepted: 15 February 2017 / Published: 17 February 2017
(This article belongs to the Special Issue Polymer Blends 2017)
View Full-Text   |   Download PDF [2278 KB, uploaded 17 February 2017]   |  

Abstract

The influence of the solvent nature on optical properties of poly[2-methoxy-5-3,7-dimethyloctyloxy-1,4-phenylenevinylene] (MDMO-PPV)/Coumarine 500 (C500) have been investigated. In addition, the amplified spontaneous emission (ASE) from MDMO-PPV and efficient energy transfer between the MDMO-PPV and C500 has been verified. The MDMO-PPV was dissolved in aromatic and nonaromatic solvents, while the solution blending method was employed to prepare the MDMO-PPV:C500 hybrid. The quantum yield of the MDMO-PPV was found to increase with the reduction of a few factors such as polarity index of the solvent, absorption cross section (σa), emission cross section (σe), and extinction coefficient (εmax). The fluorescence spectra of the MDMO-PPV appears from two vibronic band transitions (0-0, 0-1) and the ASE occurs at 0-1 transition, which was verified by the ASE from MDMO-PPV. The MDMO-PPV in toluene exhibited the best ASE efficiency due to its high quantum yield compared with other solvents. Strong overlap between the absorption spectrum of MDMO-PPV and emission spectrum of C500 confirmed the efficient energy transfer between them. Moreover, the ASE for energy transfer of the MDMO-PPV:C500 hybrid was proved. View Full-Text
Keywords: optical properties; quantum yield; amplified spontaneous emission; energy transfer optical properties; quantum yield; amplified spontaneous emission; energy transfer
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MDPI and ACS Style

Abumosa, R.A.; Al-Asbahi, B.A.; AlSalhi, M.S. Optical Properties and Amplified Spontaneous Emission of Novel MDMO-PPV/C500 Hybrid. Polymers 2017, 9, 71.

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