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Title: Conductive transition metal oxide nanostructured electrochromic material and optical switching devices constructed thereof

An electrochromic device includes a nanostructured transition metal oxide bronze layer that includes one or more transition metal oxide and one or more dopant, a solid state electrolyte, and a counter electrode. The nanostructured transition metal oxide bronze selectively modulates transmittance of near-infrared (NIR) spectrum and visible spectrum radiation as a function of an applied voltage to the device.
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1398977
Assignee:
HELIOTROPE TECHNOLOGIES, INC. LBNL
Patent Number(s):
9,785,031
Application Number:
14/671,061
Contract Number:
AC02-05CH11231
Resource Relation:
Patent File Date: 2015 Mar 27
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Other works cited in this record:

Solid dry electrochromic display
patent, April 1979

Electrochromic material and electro-optical display using same
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Variable transmission optical device
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Electrochromic device
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Infrared shielding nanoparticle, its manufacturing method, infrared shielding nanoparticle dispersion using the same, and infrared shielding base material
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Poly (3,4-alkylenedioxythiophene) -based capacitors using ionic liquids as supporting electrolytes
patent-application, June 2004

Electrochromic device comprising protective inorganic solid electrolyte film and manufacturing method thereof
patent-application, April 2007

Conductive particle, visible light transmissive particle dispersed conductor, method for producing same, transparent conductive thin film, method for producing same, transparent conductive article using same, and infrared shielding article
patent-application, August 2007

Electrochromic Multi-Layer Devices With Spatially Coordinated Switching
patent-application, August 2012

Fabrication of Low Defectivity Electrochromic Devices
patent-application, May 2013

Electrochromic Nickel Oxide Simultaneously Doped With Lithium and a Metal Dopant
patent-application, July 2013

Electrochromic Device
patent-application, October 2013

Chromatic instabilities in cesium-doped tungsten bronze nanoparticles
journal, November 2013
  • Adachi, Kenji; Ota, Yosuke; Tanaka, Hiroyuki
  • Journal of Applied Physics, Vol. 114, Issue 19, Article No. 194304
  • DOI: 10.1063/1.4831950

Near Infrared Shielding Properties of Quaternary Tungsten Bronze Nanoparticle Na0.11Cs0.22WO3
journal, March 2013
  • Moon, Kyunghwan; Cho, Jin-Ju; Lee, Ye-Bin
  • Bulletin of the Korean Chemical Society, Vol. 34, Issue 3, p. 731-734
  • DOI: 10.5012/bkcs.2013.34.3.731

Activation of plasmons and polarons in solar control cesium tungsten bronze and reduced tungsten oxide nanoparticles
journal, February 2012
  • Adachi, Kenji; Asahi, Tsuyoshi
  • Journal of Materials Research, Vol. 27, Issue 6, p. 965-970
  • DOI: 10.1557/jmr.2012.25

Visualization of the conductive channel in a planar resistance switching device based on electrochromic materials
journal, March 2012
  • Shang, Da Shan; Shi, Lei; Sun, Ji-Rong
  • Journal of Applied Physics, Vol. 111, Issue 5, Article No. 053504
  • DOI: 10.1063/1.3691204

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