Abstract
In situ growth of cadmium sulfide (CdS) quantum dots (QDs) was achieved directly through solvent-assisted grafting in the self-assembled templates of amphiphilic all conjugated diblock copolythiophene, poly(3-hexylthiophene)-b-poly(3-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)methylthiophene) (P3HT-b-P3TEGT) and gas–solid reaction. Such diblock polymer templates allowed a desired amount of cadmium sulfide salt (Cd(Ac)2) to easily accomplish dispersion and self-assembly via controlled assembling block copolymers in selective solvents. After P3HT-b-P3TEGT polymer templates grafted with Cd2+ precursor (P3HT-b-P3TEGT/Cd2+) reacting in hydrogen sulfide (H2S) gas, one-dimensional core–shell nanobeams network P3HT-b-P3TEG/CdS (donor–acceptor) was formed with excellent phase separation between P3HT-b-P3TEGT crystalline domains and inorganic CdS QDs domains at nanoscales, which was driven by the interaction between oxygen atoms of ethylene oxide side chains and Cd2+ ions, and the thermodynamic equilibrium between polyme...
Published Version
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