Abstract
AbstractThis study reports a new biomimetic approach to fabricate ZnO quantum dots (QDs) directed by surface‐immobilized acidic‐polymer brushes. Through multiple characterization methods including XPS, high‐resolution TEM, SEM, AFM, XRD, UV‐vis absorption and fluorescence spectroscopy, we found that surface‐photografted poly(acrylic acid) chains could mediate the heterogeneous nucleation and growth processes of zinc precursors to obtain ZnO QDs with a diameter of 4–5 nm. These QDs show quantum effects such as a blue shift of the excitation energy and enhanced UV emission, and more importantly, could be further formed in situ within the polymer matrix to fabricate transparent inorganic/organic hybrid nanocomposites and large‐area arrays on flexible plastic (poly(propylene)) substrate. It is expected that the results presented could instantly raise interest in the research and industrial fields, such as polymer‐supported advanced technologies, ZnO nanocrystals, biomineralization, and macroelectronics.magnified image
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