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Laser-induced fabrication of highly branched CuS nanocrystals with excellent near-infrared absorption properties 下载免费PDF全文
We report on the successful fabrication of highly branched Cu S nanocrystals by laser-induced photochemical reaction.Surprisingly, the single-crystalline nature with preferential alignment of the(107) orientation can be well improved during the moderate growth process. The branch length drastically increases from about 5 nm to 6 μm with an increase of photochemical reaction time(0-40 min). The absorption spectra of as-prepared Cu S nanodendrites show that localized surface plasmon resonance(LSPR) peaks can be modulated from about 1037 nm to 1700 nm with an increase of branch length. Our results have a promising potential for photodynamic therapy and biological imaging application. 相似文献
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