scholarly journals A fast-switching light-writable and electric-erasable negative photoelectrochromic cell based on Prussian blue films

2012 ◽  
Vol 98 ◽  
pp. 154-160 ◽  
Author(s):  
Zhihui Jiao ◽  
Jun Ling Song ◽  
Xiao Wei Sun ◽  
Xue Wei Liu ◽  
Jin Min Wang ◽  
...  
Keyword(s):  
Prussian Blue ◽  
Fast Switching

Fast switching Prussian blue film by modification with cetyltrimethylammonium bromide

2012 ◽  
Vol 99 ◽  
pp. 129-134 ◽  
Author(s):  
Dung-Jing Yang ◽  
Chih-Yu Hsu ◽  
Cheng-Lan Lin ◽  
Po-Yen Chen ◽  
Chih-Wei Hu ◽  
...  
Keyword(s):  
Prussian Blue ◽  
Cetyltrimethylammonium Bromide ◽  
Fast Switching

Electrochromic Studies of Prussian Blue Intercalated Compounds

2008 ◽  
Vol 587-588 ◽  
pp. 288-292 ◽  
Author(s):  
L.F.F.T.T.G. Rodrigues ◽  
César A.C. Sequeira
Keyword(s):  
Prussian Blue ◽  
Film Formation ◽  
Supporting Electrolyte ◽  
Electrochemical Technique ◽  
Solution Ph ◽  
Switching Speed ◽  
Film Stability ◽  
Fast Switching ◽  
Intercalated Compounds ◽  
Related Compounds

The electrochromic response of the Prussian blue (PB) system is produced by the electrochemical reaction of the colourless Everitt’s salt (ES), K2FeFe(CN)6, to form the blue oxidation product, KFeFe(CN)6. Reviews on the electrochemistry of PB and related compounds are available. Very little work, however, has been published on the quantitative aspects that affect film stability. The reported electrochemical deposition conditions for PB film formation vary considerably in terms of the electrochemical technique, pH, ferricyanide concentration, supporting electrolyte, as well as composition and concentration of the iron (III) salt. In this study, most PB films were prepared at ambient temperature from acidic K2SO4/H2SO4 (pH ≅ 2.0) solutions containing either Fe(ClO4)3 or FeCl3 and K3Fe(CN)6, using potentiostatic conditions. Dramatic increases in the film stability are obtained by simple acidifying; in fact, the switching speed increased from about 2 seconds at a pH of 7 to about 0.2 seconds at a pH of 2. Cycle lifetimes of at least 100,000 cycles were obtained in all of the acidified solutions. Factors such as the solution pH and heat treatment of the PB film also affect the position and shape of the observed cyclic voltammetric peaks. Summarizing, the PB films prepared by an electrodeposition method appear to be very promising for reaching stable, reversible and fast switching time (2 Hz) materials.

Iron Loss Characteristics of Motors Fed by Fast Switching GaN-FET Inverters

2020 ◽  
Vol 140 (6) ◽  
pp. 488-494
Author(s):  
Haruo Naitoh ◽  
Takaya Sugimoto ◽  
Keisuke Fujisaki
Keyword(s):  
Iron Loss ◽  
Fast Switching ◽  
Gan Fet

Methodology for Analysis of Schottky Diode Failures

2010 ◽  
Author(s):  
Bhanu P. Sood ◽  
Michael Pecht ◽  
John Miker ◽  
Tom Wanek
Keyword(s):  
Failure Mode ◽  
Schottky Diode ◽  
Failure Modes ◽  
Schottky Diodes ◽  
Failure Mechanisms ◽  
Forward Voltage ◽  
Fast Switching ◽  
Voltage Drops ◽  
The Common

Abstract Schottky diodes are semiconductor switching devices with low forward voltage drops and very fast switching speeds. This paper provides an overview of the common failure modes in Schottky diodes and corresponding failure mechanisms associated with each failure mode. Results of material level evaluation on diodes and packages as well as manufacturing and assembly processes are analyzed to identify a set of possible failure sites with associated failure modes, mechanisms, and causes. A case study is then presented to illustrate the application of a systematic FMMEA methodology to the analysis of a specific failure in a Schottky diode package.

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