Electrochromic Properties of Perovskite NdNiO3 Thin Films for Smart Windows

2021 ◽  
Author(s):  
Yifei Sun ◽  
Qi Wang ◽  
Tae Joon Park ◽  
Thomas Edward Gage ◽  
Zhen Zhang ◽  
...  
Keyword(s):  
Thin Films ◽  
Smart Windows ◽  
Electrochromic Properties

scholarly journals Enhanced Electrochromic Properties by Improvement of Crystallinity for Sputtered WO3 Film

Coatings ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 577
Author(s):  
Zhu-jie Xia ◽  
Hong-li Wang ◽  
Yi-fan Su ◽  
Peng Tang ◽  
Ming-jiang Dai ◽  
...  
Keyword(s):  
Thin Films ◽  
Substrate Temperature ◽  
Amorphous State ◽  
Xrd Analysis ◽  
Optical Modulation ◽  
Modulation Amplitude ◽  
Cyclic Stability ◽  
Smart Windows ◽  
Electrochromic Properties ◽  
Wo3 Thin Films

Tungsten oxide (WO3) is widely used as a functional material for “smart windows” due to its excellent electrochromic properties, however it is difficult to overcome the conflict between its optical modulation and cyclic stability. In this work, WO3 thin films with different crystal structures were prepared by DC reactive magnetron sputtering method. The effects of substrate temperature on the structure, composition, and electrochromic properties of WO3 films were investigated. The results show that the crystallinity of the WO3 film increases with increasing deposition temperature, indicating that temperature plays an important role in controlling the structure of the WO3 film. For WO3 thin films formed at a substrate temperature of 573 K, the film is in an amorphous state to a crystalline transition state. From X-ray diffraction (XRD) analysis, the thin film showed a weak WO3 crystallization peak, which was in the composite structure of amorphous and nanocrystalline. Which has the best electrochromic properties, with modulation amplitude of 73.1% and bleached state with a coloration efficiency of 42.9 cm2/C at a wavelength of 550 nm. Even after 1500 cycles, the optical modulation still contains 65.4%, delivering the best cyclic stability.

Surface-Facet-Dependent Electrochromic Properties of WO3 Nanorod Thin Films: Implications for Smart Windows

2021 ◽  
Author(s):  
R. Colby Evans ◽  
Rachelle Austin ◽  
Rebecca C. Miller ◽  
Alexander Preston ◽  
Zach N. Nilsson ◽  
...  
Keyword(s):  
Thin Films ◽  
Smart Windows ◽  
Electrochromic Properties ◽  
Wo3 Nanorod ◽  
Surface Facet

scholarly journals Strong texture tuning along different crystalline directions in glass-supported CeO2 thin films by ultrasonic spray pyrolysis

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Inti Zumeta-Dubé ◽  
José Manuel García Rangel ◽  
Jorge Roque ◽  
Issis Claudette Romero-Ibarra ◽  
Mario Fidel García Sánchez
Keyword(s):  
Thin Films ◽  
Spray Pyrolysis ◽  
Spray Pyrolysis Technique ◽  
Morphological Characteristics ◽  
Ultrasonic Spray Pyrolysis ◽  
Cost Effective ◽  
Growth Direction ◽  
Large Area ◽  
Smart Windows ◽  
Ultrasonic Spray

AbstractThe strong facet-dependent performance of glass-supported CeO2 thin films in different applications (catalysis, smart windows, etc.) has been the target of diverse fundamental and technological approaches. However, the design of accurate, cost-effective and scalable methods with the potential for large-area coverage that produce highly textured glass-supported CeO2 thin films remains a technological challenge. In the present work, it is demonstrated that under proper tuning conditions, the ultrasonic spray pyrolysis technique enables one to obtain glass-supported polycrystalline CeO2 films with noticeable texture along both the (100) and (111) directions, as well as with randomly oriented crystallites (no texture). The influence of flow rates, solution molarity, and substrate temperature on the texture and morphological characteristics, as well as optical absorption and Raman response of the deposited films, is evaluated. The obtained results are discussed on the basis of the combined dependence of the CeO2-exposed surfaces on the thermodynamic stability of the corresponding facets and the reaction kinetics, which modulate the crystallite growth direction.

Electrochromic properties of nickel oxide thin films prepared by the sol-gel method

1995 ◽  
Author(s):  
Takeshi Miki ◽  
Kazuki Yoshimura ◽  
Yutaka Tai ◽  
Masato Tazawa ◽  
Ping Jin ◽  
...  
Keyword(s):  
Thin Films ◽  
Nickel Oxide ◽  
Sol Gel ◽  
Oxide Thin Films ◽  
Gel Method ◽  
Electrochromic Properties ◽  
Sol Gel Method ◽  
Nickel Oxide Thin Films

Electrochromic Properties of Sputtered Ni Oxide Thin Films in Neutral KCl Electrolytes

2006 ◽  
Vol 9 (1) ◽  
pp. G17 ◽  
Author(s):  
Yoshio Abe ◽  
Se-Hee Lee ◽  
Esra Ozkan Zayim ◽  
C. Edwin Tracy ◽  
J. Roland Pitts ◽  
...  
Keyword(s):  
Thin Films ◽  
Oxide Thin Films ◽  
Electrochromic Properties ◽  
Ni Oxide

Electrochromic properties of manganese oxide (MnOx) thin films made by electron beam deposition

1993 ◽  
Author(s):  
Olof Erlandsson ◽  
Johannes Lindvall ◽  
Ngoc T. Nguyen ◽  
Van H. Nguyen ◽  
Thi Bich Vu ◽  
...  
Keyword(s):  
Thin Films ◽  
Electron Beam ◽  
Manganese Oxide ◽  
Electrochromic Properties ◽  
Electron Beam Deposition ◽  
Beam Deposition
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