Single-crystal Au microflakes modulated by amino acids and their sensing and catalytic properties.Li, M., Wu, X., Zhou, J., Kong, Q., & Li, C. (2016). Journal of colloid and interface science, 467, 115-120.-成果-仿生智能材料研究组  
Single-crystal Au microflakes modulated by amino acids and their sensing and catalytic properties.Li, M., Wu, X., Zhou, J., Kong, Q., & Li, C. (2016). Journal of colloid and interface science, 467, 115-120. 2016 生物质基 柔性智能材料 绿色环保材料 论文
lvll 2019-6-18 263

Single-crystal Au microflakes with the planar area over 103 μm2 (i.e. being accessible to the human eye resolution) were synthesized in an environment-friendly route by directing two-dimensional growth of Au nanocrystals into macroscopic scales with amino acids as both reducing agents and capping agents. Side groups of amino acids were found to be a determinant parameter to tune the dimension and size of Au single crystals. The successful synthesis of Au microflakes provides an unprecedented opportunity to bridge nanotechnology and macroscopic devices, and hereby to start a new scenario of exploring their unique properties and applications in optoelectronic devices and bio-sensing fields across multiple length scales. For example, Au microflakes respond to air humidity upon depositing on films of chitin nanofibrils, and sense various physiological molecules as electrode materials of biosensors.

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