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All‐inorganic semiconductor perovskite quantum dots (QDs) with outstanding optoelectronic properties have already been extensively investigated and implemented in various applications. However, great challenges exist for the fabrication of nanodevices including toxicity, fast anion‐exchange reactions, and unsatisfactory stability. Here, the ultrathin, core–shell structured SiO2 coated Mn2+ doped CsPbX...
In article number 1900484, Juan Du, Yu Chen, Yuxin Leng, and co‐workers fabricate ultrathin, core–shell structured CsPbMnX3@SiO2 (X=Cl, Br) quantum dots (QDs) by slowly hydrolyzing tetraethoxysilane at room temperature, showing high water and thermal stability, which reveals that these QDs are suitable as color‐conversion materials. White light‐emitting diodes fabricated with CsPbMnX3@SiO2 and CsPbBr...
Recent reports regarding metal halide semiconductors of perovskite nanocrystal structures have presented us a promising future on their optoelectronic applications such as laser and light harvesting devices. In this paper, all-inorganic perovskites CsPbX3 (X=Cl, Br and I) quantum dots (QDs) with tunable fluorescence from 400nm to 700nm were prepared by a facile hot-injection method. Besides, random...
In this paper, a novel method so-called bioluminescence inhibition assay with luminous bacteria (Photobacterium phosphoreum) was introduced to evaluate the toxicity of quantum dots. The bioassay was based on measuring the decrease of the light emitted by luminous bacteria. With obvious advantages of simplicity, rapidity and sensitivity, it can dramatically improve the efficiency of probing the toxicity...
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