Reference of 10045-45-1, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 10045-45-1, Name is 1-Ethyl-1H-benzo[d]imidazol-2(3H)-one, SMILES is O=C1N(CC)C2=CC=CC=C2N1, belongs to imidazoles-derivatives compound. In a article, author is Chen, Ximing, introduce new discover of the category.
Organic dyes with imidazole derivatives as auxiliary donors for dye-sensitized solar cells: Experimental and theoretical investigation
In order to study the influence of different imidazole derivatives in triphenylamine-based organic dyes, two different imidazole derivatives are introduced into the phenyl ring of the triphenylamine core, coded as CD-4 and CD-6, respectively. Their photophysical, electrochemical properties and the performances of the corresponding dye-sensitized solar cells (DSSCs) are further investigated. Due to the better molar extinction coefficient, quantum efficiency (QE) and longer lifetime of excited electron, the DSSC based on CD-4 has the higher overall conversion efficiencies as 4.11% than that of CD-6 as 1.51% under full sunlight (AM 1.5G, 100 mW cm(-2)) irradiation. Density functional theory (DFT) and time dependent density functional theory (TD-DFT) calculations were carried out to study the ground state structures, the electronic structures and the optical properties of the two dyes. The simulated UV-vis absorption spectra for the two dyes are in excellent agreement with the experimental results. (C) 2014 Elsevier Ltd. All rights reserved.
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