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7 results on '"Tie Wang"'

1. Fabrication, characterization, and application in SERS of self-assembled polyelectrolyte-gold nanorod multilayered films

Author

Xiaoge Hu, Wenlong Cheng, Tie Wang, Yuling Wang, Erkang Wang, and Shaojun Dong

Subjects
Gold -- Atomic properties, Nanoparticles -- Atomic properties, Thin films, Multilayered -- Research, Chemicals, plastics and rubber industries
Abstract

An effective and facile approach for the preparation of multilayered nanostructure of gold nanorods is demonstrated. The strategy presented here to construct three-dimensional nanostructure of Au nanorods (NRs) is quite facile and easy control, which opens up a routeway to the future application of Au NRs in nanodevices as well as in molecular detection.

Published
2005

2. Selecting a technical strategy for high-tech enterprises in developing countries- a case study

Author

Tie Wang and Pollard, Robin

Subjects
Strategic planning (Business) -- Management, Manufacturing industry -- Management, Technology assessment, Company business management, Business, international, High technology industry, Science and technology
Abstract

High-tech manufacturing firms in developing countries often suffer in competition with their counterparts in developed countries. Details of the three key strategies identified that are generalisable to other high-tech manufacturing enterprises in developing countries are presented.

Published
2002

3. Surfactantless synthesis of multiple shapes of gold nanostructures and their shape-dependent SERS spectroscopy

Author

Tie Wang, Xiaoge Hu, and Shaojun Dong

Subjects
Gold -- Structure, Gold -- Chemical properties, Nanoparticles -- Structure, Nanoparticles -- Chemical properties, Raman effect -- Observations, Chemicals, plastics and rubber industries
Abstract

A useful method is developed for the synthesis of various gold nanostructures and the surface-enhanced Raman scattering (SERS) spectra of 4-aminothiophenol (4-ATP) on the as-prepared gold nanostructures of various shapes are measured. The evaluation suggests that intensity of the SERS signal is the smallest for the gold nanosheets and the flowerlike nanoparticle arrays have given the strongest SERS signals.

Published
2006

4. Templated assembly of gold nanoparticles into microscale tubules and their application in surface-enhanced Raman scattering

Author

Tie Wang, Rongbo Zheng, Xiaoge Hu, Lixue Zhang, and Shaojun Dong

Subjects
Gold -- Spectra, Gold -- Chemical properties, Nanoparticles -- Chemical properties, Nanoparticles -- Spectra, Chemicals, plastics and rubber industries
Abstract

A simple procedure to assemble gold nanoparticles into hallow tubular morphology with micrometer scale is described, wherein the citrate molecule is used not only as a reducing and capping agent, but also as an assembling template. The results reveal that the microtubes both before and after electroless plating could be used as surface-enhanced Raman scattering (SERS) substrates and the microtubes after electroless plating have displayed excellent enhancement ability.

Published
2006

5. Solvothermal synthesis and photoluminescent properties of ZnS/cyclohexylamine: Inorganic-organic hybrid semiconductor nanowires

Author

Libo Fan, Hongwei Song, Haifeng Zhao, Guohui Pan, Xinguang Ren, Hongquan Yu, Xue Bai, Suwen Li, Yanqiang Lei, Qilin Dai, Ruifei Qin, Tie Wang, Biao Dong, and Zhuhong Zheng

Subjects
Chemical synthesis -- Analysis, Photoluminescence -- Analysis, Transmission electron microscopes -- Observations, Zinc compounds -- Structure, Zinc compounds -- Chemical properties, Zinc compounds -- Thermal properties, X-rays -- Diffraction, X-rays -- Observations, Chemicals, plastics and rubber industries
Abstract

The synthesis, characterization and spectra properties of the wire-like ZnS/cyclohexylamine (CHA) nanocomposite are reported. The pure hexagonal wurzite ZnS nanowires are obtained by extracting the ZnS/CHA nanocomposites with dimethyl formamide (DMF).

Published
2006

6. Noncovalent functionalization of multiwalled carbon nanotubes: Application in hybrid nanostructures

Author

Tie Wang, Xiaoge Hu, Xiaohu Qu, and Shaojun Dong

Subjects
Nanotubes -- Properties, Gold -- Chemical properties, Nanoparticles -- Chemical properties, Chemicals, plastics and rubber industries
Abstract

A noncovalent method of modifying multiwalled carbon nanotubes (MWNTs) was developed by embedding the nanotubes within polysiloxane micelles. On the basis of MWNTs, negatively charged gold nanoparticles are anchored to the nanotube surface through electrostatic interactions between the protonated amino groups and the gold nanoparticles.

Published
2006

7. In situ synthesis and characterization of multiwalled carbon nanotube/Au nanoparticle composite materials

Author

Xiaoge Hu, Tie Wang, Xiaohu Qu, and Shaojun Dong

Subjects
Nanoparticles -- Chemical properties, Gold -- Chemical properties, Nanotechnology -- Research, Chemicals, plastics and rubber industries
Abstract

An effective and facile in situ reduction approach for the fabrication of carbon nanotube-supported Au nanoparticle (CNT/Au NP) composite nanomaterials is demonstrated. Linear polyethyleneimine (PEI) is ingeniously used as both a functionalizing agent for the multiwalled carbon nanotubes (MWNTs) and a reducing agent for the formation of Au NPs.

Published
2006

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