Structural characterization of Au nano bipyramids: reshaping under thermal annealing, the capping agent effect and surface decoration with Pt

Fernanda Torresan Maria; Angelome Paula C.; Bazan-Diaz Lourdes; Velazquez-Salazar J. Jesus; Mendoza-Cruz Ruben; Iglesias Rodrigo A.; Jose-Yacaman Miguel

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Structural characterization of Au nano bipyramids: reshaping under thermal annealing, the capping agent effect and surface decoration with Pt

机译：Au Nano Bipyramids的结构表征：在热退火下重塑，封端剂效应和PT表面装饰

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Anisotropic gold nanoparticles offer potential applications due to their functionalities and shape-dependent properties. Reshaping noble metal nanoparticles is an interesting field with optical, surface-enhanced Raman spectroscopy, catalytic applications and potential application as a photothermic therapy. This work comprises a structural study on gold nano bipyramids (Au NBPs) and nanodumbbells, and the evolution of Au NBPs capped with cetyltrimethylammonium bromide and dodecanethiol through an in situ and ex situ heating process in high vacuum. Also, we study the reshaping of Au NBPs by the addition of Pt to study the surface modification and the strain generated on a single particle by geometric phase analysis.

机译：各向异性金纳米颗粒由于其功能和形状依赖性属性提供潜在的应用。重塑贵金属纳米粒子是一种有趣的场，具有光学，表面增强拉曼光谱，催化应用和潜在应用作为光热疗法。该工作包括对金纳米双嘧酰胺（Au Nbps）和纳米铃的结构研究，以及通过在高真空中原位和前原位加热过程通过甲酰基三甲基溴化铵和十二烷硫醇封端的Au Nbps的演化。此外，我们通过添加PT来研究通过几何相位分析研究在单个粒子上产生的表面改性和在单个颗粒上产生的菌株的重塑。

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来源
《Nanotechnology》 |2019年第20期|共12页
作者
Fernanda Torresan Maria; Angelome Paula C.; Bazan-Diaz Lourdes; Velazquez-Salazar J. Jesus; Mendoza-Cruz Ruben; Iglesias Rodrigo A.; Jose-Yacaman Miguel;
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作者单位

Univ Nacl Cordoba Inst Invest Fisicoquim Cordoba INFIQC CONICET Pabellon Argentina Dept Fisicoquim Fac Ciencias Q Ala 1 Piso 2 Ciudad Univ RA-5000 Cordoba Argentina;

Consejo Nacl Invest Cient &

Tecn Comis Nacl Energia Atom Ctr Atom Constituyentes Gerencia Quim Av Gral Paz 1499 B1650KNA San Martin Buenos Aires DF Argentina;

Univ Texas San Antonio Dept Biomed Engn One UTSA Circle San Antonio TX 78249 USA;

Univ Texas San Antonio Dept Phys &

Astron One UTSA Circle San Antonio TX 78249 USA;

Univ Texas San Antonio Dept Biomed Engn One UTSA Circle San Antonio TX 78249 USA;

Univ Nacl Cordoba Inst Invest Fisicoquim Cordoba INFIQC CONICET Pabellon Argentina Dept Fisicoquim Fac Ciencias Q Ala 1 Piso 2 Ciudad Univ RA-5000 Cordoba Argentina;

Univ Texas San Antonio Dept Phys &

Astron One UTSA Circle San Antonio TX 78249 USA;

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正文语种 eng
中图分类特种结构材料;
关键词
gold nano bipyramids; thermal annealing; ligand exchange; Pt deposition;

机译：金纳米双吡酰胺;热退火;配体交换;PT沉积;

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3. Structural characterization of Au nano bipyramids: reshaping under thermal annealing, the capping agent effect and surface decoration with Pt [J] . Fernanda Torresan Maria, Angelome Paula C., Bazan-Diaz Lourdes, Nanotechnology . 2019,第20期

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Structural characterization of Au nano bipyramids: reshaping under thermal annealing, the capping agent effect and surface decoration with Pt

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