Atomically Precise Au(25)(SG)(18) Nanoclusters: Rapid Single-Step Synthesis and Application in Photothermal Therapy.
Atomically Precise Au(25)(SG)(18) Nanoclusters: Rapid Single-Step Synthesis and Application in Photothermal Therapy.
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DOI:
10.1021/acsami.7b12614
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发表时间:
2018-01-10
影响因子:
9.5
通讯作者:
Li X
中科院分区:
文献类型:
--
作者:
Katla SK;Zhang J;Castro E;Bernal RA;Li X
Remarkable recent advances on Au25(SR)18 nanoclusters have led to significant applications in catalysis, sensing, and magnetism. However, the existing synthetic routes are complicated, particularly for the water-soluble Au25(SG)18 nanoclusters. Here, we report a single-step concentration and temperature-controlled method for rapid synthesis of the Au25(SG)18 nanoclusters in as little as 2 h without the need for low-temperature reaction or even stirring. A systematic time-based investigation was carried out to study the effects of volume, concentration, and temperature on the synthesis of these nanoclusters. Further, we discovered for the first time that the Au25(SG)18 nanoclusters exhibit excellent photothermal activities in achieving 100% cell death for MDAMB-231 breast cancer cells at a power of 10 W/cm2 using an 808 nm laser source, demonstrating applications toward photothermal therapy.
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