نتایج جستجو برای: rectangular nanoplates

تعداد نتایج: 23296  

Journal: :Engineering With Computers 2022

Abstract In the present work, two-phase integral theory of elasticity developed in Barretta et al. (Phys E 97:13–30, 2018) for nano-beams is generalized to model two-dimensional nano-continua. Notably, a well-posed mixture local/stress-driven nonlocal proposed accurately predict size effects Kirchhoff axisymmetric nanoplates. The key idea express elastic radial curvature as convex combination l...

Journal: :Chemical communications 2012
Soubantika Palchoudhury Yaolin Xu Amanda Rushdi Robert A Holler Yuping Bao

An effective approach to synthesizing crystalline iron oxide nanoplates (~3 nm thick) and nanoflowers composed of ~5 nm small grains was reported. The formation of different-shaped nanoparticles in a similar system was achieved by controlling the nucleus concentration and growth rate.

Journal: :Chemical communications 2016
Beibei Xie Yong Zhang Na Du Haiping Li Wanguo Hou Renjie Zhang

A poison-resistant and highly catalytically active Pt(111) lattice on ultrathin Pt nanoplates (Pt(111)NPTs) with a large ratio (28%) of surface active to sum Pt atoms is obtained with a dense small pore N-atom doped aerogel (NGA) featuring a large specific surface area and high N content in the graphene skeleton.

Journal: :Chemical communications 2014
Weina Wang Jiangjiang Gu Wenwen Hua Xudong Jia Kai Xi

To improve the utilization efficiency of Au catalyst, triangular Au nanoplates on functional reduced graphene oxide were prepared by a facile method. The products with ultra-low trace amounts of Au afforded high catalytic efficiency for the reduction of 4-nitro phenol. The morphology of the products was controlled by tuning the addition of HAuCl4.

Journal: :Chemical communications 2012
Chunling Zhang Liang Luo Jun Luo David G Evans Xiaoming Sun

Density gradient ultracentrifuge separation has been employed as a process-analysis microsystem combining a microreactor and a separator. As a paradigm, intermediates formed after tens of seconds in the galvanic replacement of Ag nanoplates in high concentrated AuCl(4)(-) solution are captured, providing evidence of the mechanism of the reaction, which is difficult to obtain in other ways.

2004
Jianping XIE Jim Yang Lee Yen Peng Ting

Much effort has been devoted to the synthesis of gold nanoparticles with different shapes, including the zero-dimensional nanospheres, one dimensional nanorods, and two-dimensional nanoplates. Compared to zero or one dimensional nanostructures, the synthesis of two-dimensional nanostructures in high yield has always been more involved, often requiring complex and timeconsuming steps such as mor...

2011
Wilfred V. Espulgar Gil Nonato C. Santos

Triangular silver nanoplates, of different orientations, and other nanostructures were successfully synthesized using the Horizontal Vapor Phase Crystal (HVPC) Growth technique for antimicrobial purposes in this study. This finding demonstrates HVPC as an alternative and simple technique to synthesize ordered silver nanomaterials for antimicrobial study. Keyword —alternative method, antimicrobi...

Journal: :Nanoscale 2014
Xiaxia Liu Linglong Li Yaodong Yang Yadong Yin Chuanbo Gao

A one-step growth of triangular silver nanoplates on a large scale is developed by a coordination-based kinetically controlled seeded growth method, with their edge length precisely tuned from 150 nm to 1.5 μm, and surface plasmon resonance extends to full near-infrared.

Journal: :Chemical communications 2012
Bin-Bin Xu Ran Zhang Xue-Qing Liu Huan Wang Yong-Lai Zhang Hao-Bo Jiang Lei Wang Zhuo-Chen Ma Jin-Feng Ku Feng-Shou Xiao Hong-Bo Sun

Silver microflower arrays constructed by upright nanoplates and attached nanoparticles were fabricated inside a microfluidic channel, thus a robust catalytic microreactor for allowing in situ SERS monitoring was proposed. On-chip catalytic reduction shows that the silver microflowers have high catalytic activity and SERS enhancement.

Journal: :Chemical communications 2012
Jong Hyeon Lee Duk-Young Jung

A novel controlled molecular release based on highly oriented nanoplates of layered double hydroxide was fabricated on indium tin oxide substrates by electrophoretic deposition of exfoliated LDH nanosheets. The LDH particle coating exhibited a superior release performance of the order of hours.

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