Low transparency copper oxide coating for electrochromic device

Details Low transparency copper oxide coating for electrochromic device Low transparency copper oxide coating for electrochromic device

1993-01-15

1996-12-17

Saadat, Mahshid

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359265, 359269, 359275, G02F 115, G02F 1153

Patent

active

055859593

ABSTRACT:
Low transparency, or colored, copper oxide is taught as a new electrochromic material, in combination with a metallic oxide. The material is formed by application of the copper oxide to a substrate followed by application of the metallic oxide. A low-E glass substrate is heated, and cupric acetylacetonate powder is sprayed at the glass; the cupric acetylacetonate powder is atomized with dry oxygen. The glass/SN.sub.N O.sub.2 F/Cu.sub.x O system is then re-heated. After reheating, tungsten hexachloride dissolved in N,N-dimethyl formamide is sprayed at the copper oxide on the substrate. In a sample material, visible transmission is improved from 33% for copper oxide alone, to 65%.

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