A Novel Synthetic Route to Nb2 O 5 Thin Films for Electrochromic Devices

1994 ◽  
Vol 141 (3) ◽  
pp. L29-L30 ◽  
Author(s):  
Ronaldo C. Faria ◽  
Luis‐Otavio de S. Bulhões
Polymers ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 179 ◽  
Author(s):  
Delphin Levasseur ◽  
Issam Mjejri ◽  
Thomas Rolland ◽  
Aline Rougier

Poly(3,4-ethylenedi-oxythiophene) (PEDOT) derivatives conducting polymers are known for their great electrochromic (EC) properties offering a reversible blue switch under an applied voltage. Characterizations of symmetrical EC devices, built on combinations of PEDOT thin films, deposited with a bar coater from commercial inks, and separated by a lithium-based ionic membrane, show highest performance for 800 nm thickness. Tuning of the color is further achieved by mixing the PEDOT film with oxides. Taking, in particular, the example of optically inactive iron oxide Fe2O3, a dark blue to reddish switch, of which intensity depends on the oxide content, is reported. Careful evaluation of the chromaticity parameters L*, a*, and b*, with oxidizing/reducing potentials, evidences a possible monitoring of the bluish tint.


2014 ◽  
Vol 5 (16) ◽  
pp. 4764-4771 ◽  
Author(s):  
Yuri Kamon ◽  
Ryo Matsuura ◽  
Yukiya Kitayama ◽  
Tooru Ooya ◽  
Toshifumi Takeuchi

We demonstrate a novel synthetic route for molecularly imprinted polymer (MIP) thin films using a bottom-up approach utilizing protein–ligand specific interactions.


2017 ◽  
Vol 25 (2) ◽  
pp. 243-250
Author(s):  
Nguyen Nang Dinh ◽  
Le Dinh Trong ◽  
Pham Duy Long

Bulk nanostructured perovskites of La0.67-xLi3xTiO3 (LLTO) were prepared by using thermally ball-grinding from compounds of La2O3, Li2CO3 and TiO2. From XRD analysis, it was found that LTTO materials were crystallized with nano-size grains of an average size of 30 nm. The bulk ionic conductivity was found strongly dependent on the Li+ composition, the samples with x = 0.11 (corresponding to a La0.56Li0.33TiO3 compound) have the best ionic conductivity, which is ca. 3.2 x 10-3 S/cm at room temperature. The LLTO amorphous films were made by electron beam deposition. At room temperature the smooth films have ionic conductivity of 3.5 x 10-5  S/cm and transmittance of 80%. The optical bandgap of the films was found to be of 2.3 eV. The results have shown that the perovskite La0.56Li0.33TiO3  thin films can be used for a transparent solid electrolyte in ionic battery and in all-solid-state electrochromic devices, in particular.    


2017 ◽  
Vol 113 ◽  
pp. 142-148 ◽  
Author(s):  
Jianyun Zheng ◽  
Yanhong Lv ◽  
Shusheng Xu ◽  
Xi Han ◽  
Shuaituo Zhang ◽  
...  
Keyword(s):  

1995 ◽  
Vol 14 (22) ◽  
pp. 1568-1570 ◽  
Author(s):  
A. Pawlicka ◽  
M. Atik ◽  
M. A. Aegerter

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