25069-86-7Relevant articles and documents
New electroactive and electrochromic aromatic polyamides with ether-linked bis(triphenylamine) units
Hsiao, Sheng-Huei,Cheng, Shou-Lun
, p. 496 - 510 (2015)
A new class of electroactive polyamides with etherlinked bis(triphenylamine) [O(TPA)2] units were prepared through the direct phosphorylation polycondensation from N,N-di(4-aminophenyl)-N′,N′-diphenyl-4,4′-oxydianiline and aromatic dicarboxylic acids. These polyamides were amorphous with good solubility in many organic solvents, such as NMP and DMAc, and could be solution-cast into strong and flexible polymer films. Their decomposition temperatures (Td) at a 10% weight-loss in nitrogen and air were recorded at 556-568°C and 537-555°C, respectively. The glass-transition temperatures (Tg) of all the polyamides were observed in the range of 218-253°C by DSC. Cyclic voltammograms of the polyamide films cast onto an indium-tin oxide (ITO)-coated glass substrate exhibited two reversible oxidation redox couples at 0.80-0.82 V and 0.96-0.98 V versus Ag/AgCl in an electrolyte containing acetonitrile solution. The polyamide films showed excellent electrochemical and electrochromic stability, with a color change from a colorless or pale yellowish neutral form to green and purple oxidized forms at applied potentials ranging from 0 to 1.2 V. These polymers can also be used to fabricate electrochromic devices, and they showed high coloration efficiency, high redox stability, and fast response time.
PHOTOCHROMIC COMPOUND, TEMPERATURE SENSOR MATERIAL, TEMPERATURE PROBE MATERIAL, OXYGEN CONCENTRATION SENSOR MATERIAL AND OXYGEN CONCENTRATION PROBE MATERIAL
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Paragraph 0044, (2018/05/03)
PROBLEM TO BE SOLVED: To provide a photochromic compound that can show light emission in both isomers and has temperature responsiveness and oxygen concentration responsiveness. SOLUTION: A photochromic compound is represented by the following formula (1). (where, A and B are substituents as electron donating groups. Z1 and Z2 are each a substituent selected from hydrogen or an electron acceptor group). SELECTED DRAWING: Figure 4 COPYRIGHT: (C)2018,JPOandINPIT
SalenZn-bridged D-π-A dyes for dye-sensitized solar cells
Jia, Yongjian,Gou, Faliang,Fang, Ran,Jing, Huanwang,Zhu, Zhenping
, p. 513 - 520 (2014/07/08)
A series of SalenZn based dyes with triphenylamine derivatives as the donor, benzoic acid as the acceptor, and coplanar Salen complexes as the spacer have been designed and synthesized for dye-sensitized solar cells. The absorption, electrochemical, and photovoltaic properties for all sensitizers have been systematically investigated. When the tail length of the alkyl substituents is increased from C-0 to C-8 on the donor part, the efficiency of its DSSC augments evidently. It is found that the incorporation of bis-carboxyl groups instead of the single carboxyl group as anchoring groups induces a remarkable enhancement of the electron injection efficiency from the excited dyes to the TiO2 semiconductor and generates higher electron density and voltage. Copyright
