Sensitivity of the Ag/SiO<suB>2</suB> Mesoporous Composite on Ambiences in the Optical Absorption

Chin. Phys. Lett.

1997, Vol. 14

Issue (2): 138-140 DOI:

Original Articles

Sensitivity of the Ag/SiO₂ Mesoporous Composite on Ambiences in the Optical Absorption

CAI Wei-ping;ZHANG Li-de

Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031

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CAI Wei-ping, ZHANG Li-de 1997 Chin. Phys. Lett. 14 138-140

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Abstract The influence of ambient conditions on the optical absorption has been investigated for the porous silica dispersed with silver nano-particles (about 3nm) within its pores. It has been shown that in the process of alternative exposure to the ambience and annealing, this new material assumes the optical memory effect and the reversible transition between the transparency and opacity in the visible wave band.

Keywords: 78.40.-q

Published: 01 February 1997

PACS:

78.40.-q

(Absorption and reflection spectra: visible and ultraviolet)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I2/0138

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