Optics and materials research for controlled radiant energy transfer in buildings: Sixth annual report of research, 1 January 1988--28 February 1989
There is currently world-wide interest in developing practical electrochromic smart windows. This is because the use of such windows could have significant impact on making buildings more energy efficient, and therefore could significantly influence the world's economy and international policies. This is especially important since more than 1/3 of the energy consumed in the US is used to control the climate of buildings. The Tufts research program has focused on theoretically and experimentally: identifying, designing, depositing, and evaluating thin film materials as individual layers and in multilayer window device structures. The current window device design is based on electrically varying the reflectivity of a EC (electrochromic) layer in a 5-layer structure: (TC(=ITO)/vert bar/EC (=C-WO/sub 3/)/vert bar/IC (= a /minus/ LNO)/vert bar/ CE (=In/sub 2/O/sub 3/)/vert bar/TC (=ITO)); where TC = transparent conducting layer, ITO = tin-doped indium oxide, c /minus/ WO/sub 3/ = (poly)crystalline tungsten trioxide, IC = ion conducting layer, a /minus/ LNO = amorphous lithium niobate, and CE = counterelectrode layer. 4 refs.
- Research Organization:
- Tufts Univ., Medford, MA (USA)
- DOE Contract Number:
- FG03-85SF15927
- OSTI ID:
- 6340258
- Report Number(s):
- DOE/SF/15927-T1; ON: DE89009099
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
320107* -- Energy Conservation
Consumption
& Utilization-- Building Systems-- (1987-)
36 MATERIALS SCIENCE
360603 -- Materials-- Properties
ALKALI METAL COMPOUNDS
BUILDINGS
CHALCOGENIDES
DEPOSITION
DESIGN
DOCUMENT TYPES
EFFICIENCY
ELECTRO-OPTICAL EFFECTS
ELECTROCHROMISM
ENERGY BEAM DEPOSITION
ENERGY EFFICIENCY
ENERGY TRANSFER
EVALUATION
FILMS
HEAT TRANSFER
INDIUM COMPOUNDS
INDIUM OXIDES
LITHIUM COMPOUNDS
NIOBATES
NIOBIUM COMPOUNDS
OPENINGS
OXIDES
OXYGEN COMPOUNDS
PROGRESS REPORT
RADIANT HEAT TRANSFER
REFRACTORY METAL COMPOUNDS
SURFACE COATING
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES
WINDOWS
ZINC COMPOUNDS
ZINC OXIDES