DOI: 10.1063/1.1579557. Molecular oxygen and moisture as traps in poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene]: locations and detrapping by chain relaxation

Molecular oxygen and moisture as traps in poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene]: locations and detrapping by chain relaxation

10.1063/1.1579557

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We investigate locations of molecular oxygen and moisture (O2/H2O) serving as traps in poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) by measurements of field-induced thermally stimulated current, photoexcitation thermally stimulated current (PE-TSC), and dynamic mechanical analysis. Two broad peaks of PE-TSC are found at 212 and 325 K in the samples with O2/H2O-rich MEH-PPV, which are in reasonable agreement with those of the side chain and main chain relaxation, respectively. These traps can be attributed to the presence of O2/H2O (most likely molecular oxygen) in the side chain region and the amorphous main chain region, and the detrapping process is induced by chain motions under elevated temperatures.

Bibliography

Tseng, H.-E., Peng, K.-Y., & Chen, S.-A. (2003). Molecular oxygen and moisture as traps in poly[2-methoxy-5-(2â²-ethylhexyloxy)-1,4-phenylene vinylene]: locations and detrapping by chain relaxation. Applied Physics Letters, 82(23), 4086â4088.

Authors 3

Hao-En Tseng (first)
Kang-Yung Peng (additional)
Show-An Chen (additional)

References 19 Referenced 28

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Dates

Type	When
Created	22 years, 2 months ago (June 6, 2003, 2:43 p.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 7:41 p.m.)
Indexed	1 year, 2 months ago (June 5, 2024, 8:12 a.m.)
Issued	22 years, 2 months ago (June 9, 2003)
Published	22 years, 2 months ago (June 9, 2003)
Published Print	22 years, 2 months ago (June 9, 2003)

Funders 0

None

BibTeX

@article{Tseng_2003, title={Molecular oxygen and moisture as traps in poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene]: locations and detrapping by chain relaxation}, volume={82}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1579557}, DOI={10.1063/1.1579557}, number={23}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Tseng, Hao-En and Peng, Kang-Yung and Chen, Show-An}, year={2003}, month=jun, pages={4086–4088} }

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