Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume 22, Issue 1, Pages 275-283Publisher
SPRINGER
DOI: 10.1007/s10008-017-3742-9
Keywords
Monolithic electrochromic device; Smart windows; Lithium magnesiumnitride; Electro-optical performance
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Funding
- National Program on Key Research Project of China [2016YFB0303901]
- Beijing Natural Science Foundation [2161001]
- Fundamental Research Funds for the Central Universities [YWF-16-JCTD-B-03]
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Lithium magnesium nitride (Li (x) Mg (y) N) thin films were deposited by pulsed DC reactive magnetron sputtering from a LiMg alloy target in the mixture gas of Ar and N-2. The as-prepared Li (x) Mg (y) N films were amorphous. A monolithic inorganic electrochromic device (ECD) based on WO3/NiO complementary structure was fabricated using the Li (x) Mg (y) N as the ion conductor layer. The addition of a 150-nm thick Si3N4 buffer layer between Li (x) Mg (y) N and NiO made coloration and bleaching reversible and stable. Electrochemical and optical characterizations were conducted to evaluate the performance of the ECD. Electro-optical data were recorded for both 1000 chronoamperometric cycles and 1000 voltammetric cycles. Activation and degradation of the electro-optical properties of the ECD were observed.
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