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Nội dung
29/5/2009 IBM chip 29/5/2009 29/5/2009 Nanomaterials Quantum dot CdS Nano Au@SiO2 ■Techniques have been developed to produce nanotubes in sizeable quantities, including arc discharge, laser ablation, high pressure carbon monoxide (HiPCO), and chemical vapor deposition (CVD) 29/5/2009 Carbon Nanotubes n=m θ =30° m =0 θ = 0° n-m = 3k (k integer) Metal 29/5/2009 29/5/2009 29/5/2009 CNTs have High Electrical Conductivity CNTs have Very High Tensile Strength CNTs are Highly Flexible- can be bent considerably without damage CNTs are Very Elastic ~18% elongation to failure CNTs have High Thermal Conductivity CNTs have a Low Thermal Expansion Coefficient CNTs are Good Electron Field Emitters 29/5/2009 10 Silver Nanoparticles (Colloids) < 5nm Symposium of Physics and Materials Science, 11/2010, Danang Nano Ag/Glycerine Antibacterial effect: E Coli 99,96% (Cooperation with DOMESCO) The 5th of Vietnam Conference on Chemical Science –VCCS-5 12/2010 Proposed The 5th of Vietnam Conference on Chemical Science –VCCS-5 12/2010 Project of Department of Science and Technology of VNU-HCM city Journal of Physics : Conference Series 187 (2009) 0122079 Sample 1: Coliforms 45 MPN/100ml Water from E.Coli 30 MPN/100ml well at Binh Chanh –HCM Sample 2: Coliforms 110 MPN/100ml City E.Coli 70 MPN/100ml Coliforms 0MPN/100ml E.Coli 0MPN/100ml No detection of Ag (ICP-AAS) Journal of Physics : Conference Series 187 (2009) 0122079 Cotton @nanoAg Nonwoven-fabric @nanoAg Anti-bacterial mask Antibacterial-helmet pads Project of Department of Science and Technology of Binh Duong Province Nanobiosensor Drug Delivery Detection and treatment of cancer Precusor: HAuCl4 Reductant : Ethylen Glycol / Glycerine Stabilizer : Polypyrolidone PVP 55.000 PVP 1000000 Microwave-assited polyol method: fast, facile Stable in over year Ethylen Glycol Glycerine Project of Department of Science and Technology of Binh Duong Province Project of Department of Science and Technology of Binh Duong Province Cooperation with Domesco (Done) Proposed Anti-aging Cream Cooperation with Binh Duong Hospital Cooperation with Domesco (Done) Nanogold Anti-burning Cream X-ray constract agent CuSO Cu C2 O4 VERY PURE Copper nanoparticles powder Coloidal Copper nanoparticles The 5th of Vietnam Conference on Chemical Science –VCCS-5 12/2010 43.6 {111} 50.7 {200} 74.45 {200} 595- 605nm XRD of copper nanoparticles UV-Vis of copper nanoparticles Proposed (Done) Water of washing vegetables and fruits – contaminated pesticides The 5th of Vietnam Conference on Chemical Science –VCCS-5 12/2010 Function Food Drug delivery [...]... Nature 424 , 408 (20 03) CNT tweezers Science 28 6, 21 48 (1999) Conductance changes according to strain PRL 90, 156401 (20 03) Tunable CNT electromechanical oscillator Nature 29 /5 /20 09 431, 28 4 (20 04) 22 29 /5 /20 09 23 29 /5 /20 09 24 29 /5 /20 09 25 29 /5 /20 09 26 29 /5 /20 09 27 29 /5 /20 09 28 Titanium Dioxide 29 /5 /20 09 29 29 /5 /20 09 30 29 /5 /20 09 31 29 /5 /20 09 32 Titanium dioxide 29 /5 /20 09 33 29 /5 /20 09 34 29 /5 /20 09 35... trong của một MOSFET; chúng ta thấy rõ sự hình thành kênh dẫn điện bởi chất bán dẫn Si) VDS VGS IDS G S N D (Sự phân cực bằng nguồn một chiều trên các cực G, D, S của MOSFET) N SiO2 29 /5 /20 09 18 29 /5 /20 09 19 29 /5 /20 09 20 (Hình ảnh mô tả khi các electron và các lổ trống di chuyển ngược chiều và gặp nhau Sự va chạm làm phát ra tia hồng ngoại IBM) 29 /5 /20 09 21 CNT based Nano electromechanical system (NEMS)... Applications 29 /5 /20 09 11 ■Journal of Biomedical Nanotechnology, Volume 1, Number 1, March 20 05 , pp 3-17(15) 29 /5 /20 09 12 In particular, the recent integration of carbon nanotubes into biological systems has suggested their potential employment in the delivery of therapeutic molecules, such as drugs, antigens and genes 29 /5 /20 09 13 29 /5 /20 09 14 29 /5 /20 09 15 29 /5 /20 09 16 29 /5 /20 09 17 (Hình chụp... học Zuerich), vải mới phát minh này có khả năng chống bám nước cao nhất thế giới Qua thí nghiệm kiểm tra, lọai vải này được ngâm trong nước 2 tháng dài và vẫn khơng bị thấm nước, tức là vẫn hòan tòan khơ ráo Ứng dụng rộng lớn là chế tạo các lọai quần áo bơi khơng dính nước, các lọai vải ứng dụng trong cơng nghiệp, các lọai bạt phủ mái nhà, và dùng tẩm gỗ cũng như tường nhà 29 /5 /20 09 36 ...29/5/2009 IBM chip 29/5/2009 29/5/2009 Nanomaterials Quantum dot CdS Nano Au@SiO2 ■Techniques have been developed to produce nanotubes in sizeable quantities, including arc discharge,... 29/5/2009 11 ■Journal of Biomedical Nanotechnology, Volume 1, Number 1, March 2005 , pp 3-17(15) 29/5/2009 12 In particular, the recent integration of carbon nanotubes into biological systems has... (Hình ảnh mô tả electron lổ trống di chuyển ngược chiều gặp Sự va chạm làm phát tia hồng ngoại IBM) 29/5/2009 21 CNT based Nano electromechanical system (NEMS) http://www.fy.chalmers.se/conferences/nt05/talks/NT05SWLee(0701).ppt