Self-Assembled Peptide Functionalized Gold Nanopolyhedrons with Excellent Chiral Optical Properties

Because of the unique optical properties of gold nanomaterials, the preparation of gold nanomaterials with excellent chirality has received extensive attention. In order to develop a simple fabrication method for three-dimensional chiral Au nanostructures with a size of several hundred nanometers, c...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 36(2020), 2 vom: 21. Jan., Seite 600-608
1. Verfasser: Luo, Jing (VerfasserIn)
Weitere Verfasser: Cheng, Yang, Gong, Zhi-Wei, Wu, Kui, Zhou, Yu, Chen, Hong-Xiang, Gauthier, Mario, Cheng, Yong-Zhi, Liang, Ju, Zou, Tao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Peptides Gold 7440-57-5
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520 |a Because of the unique optical properties of gold nanomaterials, the preparation of gold nanomaterials with excellent chirality has received extensive attention. In order to develop a simple fabrication method for three-dimensional chiral Au nanostructures with a size of several hundred nanometers, chiral gold nanoparticles were developed to transfer chirality of a peptide to gold nanoparticles. In this study, the controlled synthesis of asymmetric gold nanopolyhedrons was achieved. The asymmetric gold nanopolyhedrons prepared via peptide-directed growth can exhibit strong circular dichroism (∼±50 mdeg) couplets in the visible range (500-600 nm). Also, the morphology of chiral Au nanododecahedrons-peptide particles showed distorted and asymmetric properties. In order to prove that the size and spatial structure of gold nanopolyhedrons have an influence on their chiral optical properties, Au nanotrioctahedron-peptide particles were prepared by using Au nanotrioctahedrons with different morphologies. Au nanotrioctahedron-peptide particles also exhibited circular dichromatic couplets in the visible region 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Cheng, Yang  |e verfasserin  |4 aut 
700 1 |a Gong, Zhi-Wei  |e verfasserin  |4 aut 
700 1 |a Wu, Kui  |e verfasserin  |4 aut 
700 1 |a Zhou, Yu  |e verfasserin  |4 aut 
700 1 |a Chen, Hong-Xiang  |e verfasserin  |4 aut 
700 1 |a Gauthier, Mario  |e verfasserin  |4 aut 
700 1 |a Cheng, Yong-Zhi  |e verfasserin  |4 aut 
700 1 |a Liang, Ju  |e verfasserin  |4 aut 
700 1 |a Zou, Tao  |e verfasserin  |4 aut 
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