Study on damage effects of low energy protons on ZnO/silicone white paint using infrared spectrum

xiao hai-ying; li chun-dong; yang de-zhuang; he shi-yu

Volume 20 Issue 07

Jul. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(07): 0-

Yan Hong, Ye Yidong, Lu Fei, et al. Coherent beam combining based on polarization phase discrimination[J]. High Power Laser and Particle Beams, 2013, 25: 5-8.

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xiao hai-ying, li chun-dong, yang de-zhuang, et al. Study on damage effects of low energy protons on ZnO/silicone white paint using infrared spectrum[J]. High Power Laser and Particle Beams, 2008, 20.

Yan Hong, Ye Yidong, Lu Fei, et al. Coherent beam combining based on polarization phase discrimination[J]. High Power Laser and Particle Beams, 2013, 25: 5-8.

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Study on damage effects of low energy protons on ZnO/silicone white paint using infrared spectrum

1.
Space Materials and Environment Engineering Laboratory,Harbin Institute of Technology,Harbin 150001,China

Publish Date: 2008-07-15

Abstract

Abstract

The change in optical properties and the damage mechanism of ZnO/silicone white paint caused by low energy protons were investigated in terms of ground-based simulation testing. The results show that the solar absorptance ratio increases with the increase of irradiation fluence of proton as well as the proton energy. Under proton exposure, the degradation in optical properties of ZnO/silicone white paint mainly occurs in the visible radiation region of the solar spectrum. The damage mechanism was studied by Fourier transform infrared spectrum. The amount of free oxygen increases under proton exposure. Free oxygen would oxidate the radicals in the silicone binder and form active hydroxide radical (—OH), which could accelerate the break of Si—O—Si bond. Meanwhile, the no-bonding lone-pair
- proton exposuse,
- zno/silicone white paint,
- optical degradation,
- infrared spectrum,
- damage effect

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