Photo-oxidation of polymer-like amorphous hydrogenated carbon under visible light illumination

Baxamusa, Salmaan; Laurence, Ted; Worthington, Matthew; Ehrmann, Paul

doi:10.1016/j.polymdegradstab.2015.11.001

Title: Photo-oxidation of polymer-like amorphous hydrogenated carbon under visible light illumination

Journal Article · 09 November 2015 · Polymer Degradation and Stability

DOI: https://doi.org/10.1016/j.polymdegradstab.2015.11.001 · OSTI ID:1240985

Baxamusa, Salmaan ^[1]; Laurence, Ted ^[1]; Worthington, Matthew ^[1]; Ehrmann, Paul ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Materials Science Division

Amorphous hydrogenated carbon (a-C:H), a polymer-like network typically synthesized by plasma chemical vapor deposition, has long been understood to exhibit optical absorption of visible light (λ > 400 nm). In this report we explain that this absorption is accompanied by rapid photo-oxidation (within minutes) that behaves in most respects like classic polymer photo-oxidation with the exception that it occurs under visible light illumination rather than ultraviolet illumination.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1240985

Report Number(s):: LLNL-JRNL-677678

Journal Information:: Polymer Degradation and Stability, Journal Name: Polymer Degradation and Stability Journal Issue: C Vol. 122; ISSN 0141-3910

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Hydrodynamic instability seeding by oxygen nonuniformities in glow discharge polymer inertial fusion ablators Ali, S. J.; Celliers, P. M.; Haan, S. W. Physical Review E, Vol. 98, Issue 3 https://doi.org/10.1103/physreve.98.033204	journal	September 2018

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36 MATERIALS SCIENCE
Aging
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Visible light

Title: Photo-oxidation of polymer-like amorphous hydrogenated carbon under visible light illumination

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