Preparation and Inverstigation of MEH-PPV Films Used for White Light Emitting Diodes

Nguyen Nang Dinh; Do Ngoc Chung; Nguyen Phuong Hoai Nam; Pham Hong Duong

doi:10.15625/0868-3166/21/2/111

Preparation and Inverstigation of MEH-PPV Films Used for White Light Emitting Diodes

Nguyen Nang Dinh, Do Ngoc Chung, Nguyen Phuong Hoai Nam, Pham Hong Duong

Author affiliations

Authors

Nguyen Nang Dinh University of Engineering and Technology, Vietnam National University, Hanoi
Do Ngoc Chung University of Engineering and Technology, Vietnam National University, Hanoi
Nguyen Phuong Hoai Nam University of Engineering and Technology, Vietnam National University, Hanoi
Pham Hong Duong Institute of Materials Science

DOI:

https://doi.org/10.15625/0868-3166/21/2/111

Abstract

With the aim to prepare white Light Emitting Diode (WLED), the conjugate polymer films like (Poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) were investigated. Spectroscopic (absorption and emission) spectra of the MEH-PPV films showed that this polymer is suitable for casting onto the chips of the blue InGaN LED to make WLED. The luminous flux measured on the WLEDs in the integrating sphere proved that the white light emission can be obtained from the combination of inorganic LED and conjugate (MEH-PPV) polymers with an optimal thickness and a high quality. The aging process of MEH-PPV films was found to be strongly dependent post-treatment conditions. Reasonable heat treatment condition for the MEH-PPV polymers was suggested as in vacuum of 5×10^-2 Pa at a temperature of 120°C in, for 2 hous.

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Published

30-06-2011

How to Cite

[1]

N. N. Dinh, D. N. Chung, N. P. H. Nam, and P. H. Duong, “Preparation and Inverstigation of MEH-PPV Films Used for White Light Emitting Diodes”, Comm. Phys., vol. 21, no. 2, p. 153, Jun. 2011.

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Issue

Vol. 21 No. 2 (2011)

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Papers

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