NDLI: Electrochemical self-assembly of CuSCN-DAST hybrid thin films

Content Provider	Springer Nature Link
Author	Tsuda, Yuki Sun, He Sun, Lina Okada, Shuji Masuhara, Akito Stadler, Philipp Sariciftci, Niyazi Serdar White, Matthew Schuette Yoshida, Tsukasa
Copyright Year	2017
Abstract	Nanostructured inorganic–organic hybrid thin films of copper(I) thiocyanate (CuSCN) and 4-(N,N-dimethylamino)-4′-(N′-methyl)stilbazolium tosylate (DAST) were electrochemically self-assembled by adding DAST into methanolic bath containing Cu2+ and SCN− ions. Loading of the stilbazolium organic chromophore (DAS+) increased linearly on increasing DAST concentration, accompanied with changes of the film morphology, crystallographic orientation of CuSCN and transition from β- to α-CuSCN. At low DAST concentrations, transport limited passive occlusion of DAS+ has been suggested with its diffusion coefficient of 1.25 × 10−6 cm2 s−1 in methanol at 298 K, while the loading receives kinetic limitation by the surface chemical reaction to yield definitive hybrid structures, resulting in unique “hair comb” shape β-CuSCN-DAST and “nano-platelets” shape α-CuSCN-DAST hybrid structures. Both the inorganic and organic components are interconnected and bi-continuous, as the loaded DAS+ could be totally extracted by dimethylacetamide to leave porous skeleton of crystalline CuSCN, making them highly interesting for device applications.
Starting Page	845
Ending Page	854
Page Count	10
File Format	PDF
ISSN	00269247
Journal	Monatshefte für Chemie - Chemical Monthly
Volume Number	148
Issue Number	5
e-ISSN	14344475
Language	English
Publisher	Springer Vienna
Publisher Date	2017-03-07
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electrochemistry Dyes Nanostructures UV/Vis spectroscopy Absorption spectra Material science Chemistry/Food Science Organic Chemistry Inorganic Chemistry Analytical Chemistry Physical Chemistry Theoretical and Computational Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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