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Surface Topography and Free Energy Regulate Osteogenesis of Stem Cells: Effects of Shape-controlled Gold Nanoparticles

https://doi.org/10.12336/biomatertransl.2021.02.006

Metavarayuth, Kamolrat; Villarreal, Esteban; Wang, Hui; Wang, Qian (June 2021, Biomaterials translational)

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Photothermal Effect, Local Field Dependence, and Charge Carrier Relaying Species in Plasmon-Driven Photocatalysis: A Case Study of Aerobic Nitrothiophenol Coupling Reaction

https://doi.org/10.1021/acs.jpcc.9b08181

Zhang, Qingfeng; Zhou, Yadong; Fu, Xiaoqi; Villarreal, Esteban; Sun, Lichao; Zou, Shengli; Wang, Hui (October 2019, The Journal of Physical Chemistry C)

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Carving growing nanocrystals: coupling seed-mediated growth with oxidative etching

https://doi.org/10.1039/c8nr06895j

Villarreal, Esteban; Li, Guangfang Grace; Wang, Hui (October 2018, Nanoscale)

This work presents multiple experimental evidences coherently showing that the versatile structural evolution of Au nanocrystals during seed-mediated growth under the guidance of foreign metal ions and halide-containing surfactants is essentially dictated by the dynamic interplay between oxidative etching and nanocrystal growth. Coupling nanocrystal growth with oxidative etching under kinetically controlled conditions enables the in situ surface carving of the growing nanocrystals, through which the surface topography of shape-controlled nanocrystals can be deliberately tailored on the nanometer length-scale.
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