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In this study, a strategy to modify photovoltaic properties of a known material by integrating certain optoelectronic moieties in its side chains has been described. Thus, a plenty of single and dendritic carbazole units were introduced into the side chains of poly(2,7-(9,9-dialkyl-fluorene)-alt-5,5′-(4,7-di-2-thienyl-2,1,3-benzothiadiazole)) (PFDTBT), a famous donor-acceptor alternative conjugated...
Polyethylene glycol (PEG) and poly(PEGMA) conjugated nanodiamond (ND) have been synthesized via “grafting to” and “grafting from” methods, respectively. In “grafting to” method, hydroxyl groups on ND surface were firstly oxidized to carboxyl groups, and then reacted with thionyl chloride to form acyl chloride groups. The acyl chloride functionalized ND (ND–COCl) was subsequently reacted with poly(ethylene...
A new simple approach was developed to obtain a super-hydrophobic PVC surface via solvent–nonsolvent coating without addition of low-surface-energy compounds. Also, the PVC film is nearly or still maintains its super-hydrophobicity when contacting with acid, alkali or salt solutions. SEM shows that compared with common smooth PVC surface, a lotus-like structure with micro- and nano-papillae was obviously...
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