electrochemical synthesis characterizations and applications

... PLATINUM AND PLATINUM-RUTHENIUM NANOPARTICLES: SYNTHESIS, CHARACTERIZATIONS AND APPLICATIONS LING XING YI (B.Eng (Hons), University of Adelaide) ... Yin, Ms Sam Fam for their guidance and helps in characterizations works I wish to thank all my family members and friends for their unlimited love, understanding and support Finally, I would like ... Nanoparticles synthesis 34 3.3 Characterizations of colloidal solutions 35 3.4 Preparation of carbon supported Pt and PtRu alloy nanoparticles 36 3.5 Characterizations of carbon supported Pt and PtRu...

Ngày tải lên: 28/11/2015, 13:53

... characterizations, they have demonstrated to be promising candidates for future nanoscale electronic, optoelectronic and sensing device applications Among the semiconductors, metal oxides stand ... structure and a wide band gap of 4.9 eV Its remarkable thermal and chemical stability make it suitable for many applications such as high temperature oxygen sensor [142], magnetic tunnel junction, and ... direct band gap of 2.28 eV and an in indirect band gap of 0.55 eV As mentioned before, several synthesis methods to grow Q1D CdO structure have been developed Fig 15a shows a SAED pattern and a...

Ngày tải lên: 20/03/2014, 13:06

... editor for Wiley and Wiley-VCH publishers, we started to conceive and organize the edition of this book since May, 2005 In 2005 and 2006, Chao and Holger met at Mainz, Bayreuth, and Freiburg, Germany ... engineers, students, teachers and enterprisers to grow, irrigate, and cultivate molecular “trees” and make them further bloom and flourish in the near future Deyue Yan, Chao Gao, and Holger Frey March, ... for synthesis of dendrimers with the degree of branching (DB) of 1.0, and the latter four exhibit a random and irregular branched configuration with lesser DB (normally, 0.4–0.6).5 Dendrimers and...

Ngày tải lên: 02/04/2014, 16:28

... Jongh, and Krijn P de Jong 10 Aluminum in Zeolites: Where is it and What is its Structure? Jeroen A van Bokhoven and Nadiya Danilina 131 Zeolites and Catalysis, Synthesis, Reactions and Applications ... Oligomers and Nanoparticles 17 Nuclear Magnetic Resonance 17 Mass Spectrometry 19 Zeolites and Catalysis, Synthesis, Reactions and Applications Vol Edited by Jiˇ´ Cejka, Avelino Corma, and Stacey ... Applications King Lun Yeung and Wei Han Index 863 827 V Contents to Volume 1 Synthesis Mechanism: Crystal Growth and Nucleation Pablo Cubillas and Michael W Anderson Synthesis Approaches 57 Karl...

Ngày tải lên: 02/04/2014, 16:47

... fundamentals and applications of nanosciences and nanotechnologies The methods described in this book are very powerful and have practical applications in the subjects of nanorods The potential applications ... surface resulting in the band bending of the conduction band (C.B) and the valence band (V.B) Formation of large number of ionized www.intechopen.com ZnO Nanorods Arrays and Heterostructures for ... seed layer and Au catalyst assisted grown NRs array: grown at substrate temperature (a) 900, (b) 850 and (c) 700°C, respectively 4.2 Optical properties As the energy band structure and bandgap reflects...

Ngày tải lên: 28/04/2014, 13:15

... fundamentals and applications of nanosciences and nanotechnologies The methods described in this book are very powerful and have practical applications in the subjects of nanorods The potential applications ... of 0.89 Wcm-2, Ar-O2 ratio 95: 5, and the substrate temperature of room temperature (RT) were 1.89 and 0.93, respectively, and they could be enhanced to 1.91 and 0.94 by further annealing at 400 ... emission and yellow emission compete with each other, and more oxygen interstitials are produced with increasing growth time and film thickness The www.intechopen.com Structure, Morphology, and Optical...

Ngày tải lên: 28/04/2014, 13:15

... fundamentals and applications of nanosciences and nanotechnologies The methods described in this book are very powerful and have practical applications in the subjects of nanorods The potential applications ... (2) where Rn and Tn are nth-order reflective and transmissive diffractions, respectively R0 denotes reflectance and T0 stands for transmittance We computed linear optical responses Rn and Tn by ... nanorods were set to be 0, 5, and 10 nm along the x and y axes in Figs 5(a), 5(b), and 5(c), respectively Fig Unit cell structures and the optical spectra of free-standing Ag nanorod array on SiO2...

Ngày tải lên: 28/04/2014, 13:15

... fundamentals and applications of nanosciences and nanotechnologies The methods described in this book are very powerful and have practical applications in the subjects of nanorods The potential applications ... precursor and stabiliser materials and, at the same time, ensure a highly homogenous and uniform reaction process between the precursor and stabiliser www.intechopen.com ZnO Nanorod Arrays Synthesised ... especially as a thin film, and has good UV absorption ZnO is a biosafe and biocompatible material that has many applications, such as in electronics and biomedical and coating technologies A...

Ngày tải lên: 28/04/2014, 13:15

... fundamentals and applications of nanosciences and nanotechnologies The methods described in this book are very powerful and have practical applications in the subjects of nanorods The potential applications ... transversal and longitudinal plasmon resonance [7-8] bands of GNRs The particle and aggregate average size were measured by the dynamic light scattering method (DLS), and the particle shape and cluster ... Pastoriza-Santos, L M Liz-Marzàn, and P Mulvaney “Gold nanorods: Synthesis, characterization and applications , Coordination Chemistry Reviews, vol 249, 2005, pp 1870-1901 [2] H Liao and J H Hafner “Gold...

Ngày tải lên: 28/04/2014, 13:15

... fundamentals and applications of nanosciences and nanotechnologies The methods described in this book are very powerful and have practical applications in the subjects of nanorods The potential applications ... of the shape of gold nanorods synthesized by the electrochemical method, and Murphy and co-workers proposed a www.intechopen.com Preparation and Characterization of Gold Nanorods 165 variation ... particle volume, λ the wavelength of light in vacuum, and εm the dielectric constant of the surrounding medium and ε1 and ε2 are the real (n2 - k2) and imaginary (2nk) parts of the complex dielectric...

Ngày tải lên: 28/04/2014, 13:15

... 1295 [7] Hu J, Odom T W and Lieber C M 1999 Chemistry and physics in one dimension: synthesis and properties of nanowires and nanotubes Acc Chem Res 32 435 [8] Yang P D and Lieber C M 1996 Nanorod-superconductor ... the versatility and power of these building blocks for nanoscale photonic and electronic device applications S24 2.3 Synthesis of ZnO nanorods via a chemical route Hydrothermal synthesis provides ... nm and (b) room temperature PL spectra of ZnO nanorods with a different mean diameter (D) of 8, 9, 12 and 35 nm [99] Properties and applications of ZnO nanorods ZnO semiconductor nanowires and...

Ngày tải lên: 28/04/2014, 13:16

... The Electrochemical Experiment and Variables in Electrochemical Cells An investigation of electrochemical behavior consists of holding certain variables of an electrochemical cell constant and ... DOUBLE-LAYER STRUCTURE AND ADSORPTION 14 ELECTROACTIVE LAYERS AND MODIFIED ELECTRODES 15 ELECTROCHEMICAL INSTRUMENTATION 534 580 632 16 SCANNING PROBE TECHNIQUES 17 SPECTROELECTROCHEMISTRY AND OTHER COUPLED ... phasor (a) standard potential of an electrode or a couple (b) standard emf of a half-reaction difference in standard potentials for two couples electron energy corresponding to the standard potential...

Ngày tải lên: 13/05/2014, 00:38

... 1001, 1101}, where 0001 and 1101 are projected onto f on |x1 =x2 and become 001 and 101, respectively, and 0101 and 1001 are projected onto f on |x1 =x2 and again become 101 and 001, respectively ... results, and/ or implementation details We dedicate this book to the area of logic synthesis and hope that it can stimulate new and exciting ideas which expand the contribution of logic synthesis ... logic optimization, and thus these too can take advantage of the rich body of recent research in logic synthesis and optimization Such non-traditional applications of logic synthesis to specialized...

Ngày tải lên: 31/05/2014, 00:10

... Solvothermal Synthesis of III–V Nanomaterials 175 Synthesis of Diamond, Carbon Nanotubes and Carbides 181 Synthesis of Si3 N4 , P3 N5 , Metal Nitrides and Phosphides 186 Synthesis of BN, B4 C, BP and ... with Boron and Nitrogen 224 Opening, Filling and Functionalizing Nanotubes 225 Electronic Structure, Properties and Devices 227 Electronic Structure and Properties 227 Electronic and Electrochemical ... 2.4.5 2.5 2.6 Nanomaterials – An Introduction ¨ller, and A K Cheetham C N R Rao, A Mu Size Effects Synthesis and Assembly Techniques Applications and Technology Development Nanoelectronics Other Aspects...

Ngày tải lên: 04/06/2014, 14:19

... Editors: S Siebentritt and U Rau 94 Magnetic Nanostructures Editors: B Aktas, L Tagirov and F Mikailov 95 Nanocrystals Synthesis, Properties and Applications By C.N.R Rao, P.J Thomas and G.U Kulkarni ... Planes, L Ma˜ osa, n and A Saxena 80 Micro- and Macro-Properties of Solids Thermal, Mechanical and Dielectric Properties By D.B Sirdeshmukh, L Sirdeshmukh, and K.G Subhadra 87 Micro- and Nanostructured ... pathways by radiolysis have been carried out [256] 2.2.4 Electrochemical Synthesis Reetz and coworkers [257–265] have pioneered the electrochemical synthesis of metal nanocrystals Their method represents...

Ngày tải lên: 04/06/2014, 14:28

... 18.5 Conclusions 19 Synthesis, Structure, and Properties of Fullerenes Página de 475 477 19.1 Introduction 477 19.2 Synthesis 478 19.2.1 Synthesis of C60 and C70 479 19.2.2 Synthesis of Giant ... as PbS and PbSe [46], PS and AsS [47], PbAs [48], PbSb and BiSb [49], PbP, PbSr and PbIn [50], InP, GaAs and GaP [51, 52] Although the free jet expansion using oven sources is a simple and reliable ... ed L L Chang and B C Giessen (Orlando, FL: Academic) p 313 [36] Mezei F 1988 Physics, Fabrication, and Applications of Multilayered Structures (NATO ASI Series B) vol 182, ed P Dhez and C Weisbuch...

Ngày tải lên: 04/06/2014, 14:38

... research: (1) synthesis and assembly of metal particles of well-defined size and geometry, (2) structural and surface chemistry effects on single electron charging, and (3) size, shape, and surface ... moment, the added time and complexity chemistry would engender if one had to freshly synthesize and purify each and every solvent and other reagent used in each and every synthesis rather than ... in the synthesis until, and unless, you have repeated the synthesis at least twice; then, and only after you have some idea of the amount of effort and insight that went into the original synthesis, ...

Ngày tải lên: 04/06/2014, 14:53

... Films and Nanostructures for Sensors Synthesis, Physics, and Applications Editors Anis Zribi United Technologies Corporation Fire and Security Kidde Detection Technology Research Development and ... and fabrication are multidisciplinary and require broad and deep knowledge in diverse areas of science and engineering such as materials science, physics, chemistry, biology, and mechanical and ... MEMS, and microsensors He joined GE GRC in 2000 and since this time his research has focused on MEMS and microsystems design and fabrication for a variety of microsensor and microactuator applications...

Ngày tải lên: 04/06/2014, 15:14

... distribution, and reproduction in any medium, provided the original work is properly cited 2 Nanocrystals – Synthesis, Characterization and Applications Although the dot doped with impurities (metal and ... that would cause shifts in the OA band peaks Thus, it was concluded that the observed blue shift in OA band peak Nanocrystals – Synthesis, Characterization and Applications (Fig 1a) was a consequence ... En K BT  with n = A, B, C, A’, and B’ In Eqs (1) and (2), both the radiative emissions from QDs and bulk-like NCs and all non-radiative energy transfers are QD and highlighted In steady-state...

Ngày tải lên: 28/06/2014, 10:20

... NANOCRYSTALS – SYNTHESIS, CHARACTERIZATION AND APPLICATIONS Edited by Sudheer Neralla Nanocrystals – Synthesis, Characterization and Applications http://dx.doi.org/10.5772/2560 ... dynamics and the magneto-optical properties of Cd1-xMnxS QDs and their corresponding bulk-like NC when both are embedded in the same host material 2 Nanocrystals – Synthesis, Characterization and Applications ... that would cause shifts in the OA band peaks Thus, it was concluded that the observed blue shift in OA band peak Nanocrystals – Synthesis, Characterization and Applications (Fig 1a) was a consequence...

Ngày tải lên: 29/06/2014, 09:20