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855342-02-8

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855342-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 855342-02-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,3,4 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 855342-02:
(8*8)+(7*5)+(6*5)+(5*3)+(4*4)+(3*2)+(2*0)+(1*2)=168
168 % 10 = 8
So 855342-02-8 is a valid CAS Registry Number.

855342-02-8Downstream Products

855342-02-8Relevant articles and documents

Nanostructured oligo(p-phenylene vinylene)/silicate hybrid films: One-step fabrication and energy transfer studies

Tajima, Keisuke,Li, Liang-Shi,Stupp, Samuel I.

, p. 5488 - 5495 (2006)

Novel hybrid materials containing silicate and charged oligo(p-phenylene vinylene) (OPV) amphiphiles were fabricated in one step by spin casting using evaporation-induced self assembly. The conjugated segments were substituted with trimethylammonium bromide groups at both termini, and tetraethyl orthosilicate served as the silicate precursor. X-ray diffraction scans of the hybrid films revealed Bragg diffraction peaks with d-spacings of 2.76 and 1.37 nm, indicating the presence of order in the hybrid structure. Optical properties of the hybrid films were characterized by UV-vis absorption and fluorescence spectra, and molecular orientation was characterized by IR spectroscopy. A rhodamine B derivative containing a triethoxysilane group was covalently incorporated into the silicate network of the films during the sol-gel reaction. Relative to disordered polymer films with identical organic composition, the ordered hybrid films revealed significantly enhanced emission from rhodamine B and also fluorescence quenching from OPV segments. These results indicate that the ordered and nanostructured environment leads to highly efficient energy transfer among organic components in these hybrid films.

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