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The structural and optoelectronic properties of several substituted poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole) (PCDTBT) conjugated oligomers have been investigated by density functional theory (DFT) and time-dependent density functional theory (TD-DFT). Various electron-withdrawing and electron-donating groups were attached to the 5′ position of the...
Ethylene adsorption on regularly stepped Cu(210) surface was investigated with infrared reflection–adsorption spectroscopy and temperature programmed desorption. At 90K, π-bonded ethylene was adsorbed on Cu(210) molecularly and all species were desorbed below 160K. There were three types of π-bonded ethylene on the surface. Recent experimental studies have suggested that ethylene is dehydrogenated...
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