electrochemical synthesis characterizations and applications

... 1.3.1 Electrical Properties and Potential Applications 19 1.3.2 Optical Properties and Potential Applications 22 1.3.3 Optoelectronic Applications 25 1.4 Objective and Scope of the Present Work ... Solution phase synthesis methods exhibit many advantages as compared to VS and VLS techniques, such as reasonable low temperature (< 250 ºC) and low cost, scalability, and ease of handling Therefore, ... performance and higher carrier mobility than that of binary CdS and CdSe nanoribbons 1.3.2 Optical Properties and Potential Applications In the low dimensional materials, the near band edge energy

Ngày tải lên: 10/09/2015, 09:29

... recent synthesis and applications of oxide nanotubes and mesoporous materials attract intense research interests due to their chemical and physical properties This thesis reports the synthesis and ... materials, such as oxide nanotubes and mesoporous materials, and their applications as highly active and stable catalysts for H2 production in steam reforming of ethanol (SRE) and CO2 reforming of ethanol ... et al., 2004) and (iv) gasification (Asadullah Trang 19et al., 2002) Each method has advantages and disadvantages and works in its own particular way and is suited for specific applications

Ngày tải lên: 11/09/2015, 10:19

... Conclusions - 140 8 Conclusions and Future Works Trang 7ABSTRACT In this thesis, shape controlled synthesis, characterizations and physical properties of Nb, Co and Ni- oxides nanostructures are ... CONTROLLED SYNTHESIS, CHARACTERIZATIONS AND STUDIES OF PHYSICAL PROPERTIES BINNI VARGHESE NATIONAL UNIVERSITY OF SINGAPORE 2008 Trang 2TRANSITION METAL OXIDES NANOSTRUCTURES: SHAPE CONTROLLED SYNTHESIS, ... ºC, 350 ºC and 450 ºC, respectively The growth duration was 20 minutes for all cases Figure 4.4 (a) and (b) XRD patterns of the cobalt oxide nanowires and nanowalls on cobalt foil (c) and (d) XRD

Ngày tải lên: 14/09/2015, 14:11

... chemical and physical properties such as high thermal stability, enhanced chemical, resistance to aging and weather resistance, oil and water repellency, chemical inertness and low flammability and ... series of gradient copolymers such as, of n-butyl acrylate and styrene, epoxystyrene and styrene, trimethylsilystyrene and styrene, and MMA and n-butyl acrylate have been synthesized via ATRP [Arshart ... potential candidates for dielectric interlayer because of their good chemical and thermal stability, and the lowest dielectric constants (κ’s) among the bulk polymers However, their applications

Ngày tải lên: 16/09/2015, 08:31

... and the aqueous phase; Ci and Cfindicate the initial and final concentrations of MO; Vaq and Vorg indicate the volumes of the aqueous and the organic phase The measured volumes of aqueous and organic ... bands, and ν(C=C) and ν(C=N) bands of 2-alkyl-1-(p-X-phenyl)-3,5-dimethylpyrazolium cations were observed at 3070-3103 cm–1 and 1650-1411 cm–1 range in their IR spectra The asymmetric and symmetric ... Solvents for synthesis and catalysis Chemical Reviews 2011; 111 (5): 3508-3576 doi: 10.1021/cr1003248  16 Ghandi K A review of ionic liquids, their limits and applications Green and Sustainable Chemistry

Ngày tải lên: 13/01/2022, 00:32

... Peptide Synthesis and Applications Volume 298 METHODS IN MOLECULAR BIOLOGY TM METHODS IN MOLECULAR BIOLOGY TM Edited by John Howl Peptide Synthesis and Applications Peptide Synthesis and ... Martinez, and Gilles Subra 3 2 Chimerism: A Strategy to Expand the Utility and Applications of Peptides John Howl 25 PART II: SYNTHETIC METHODOLOGIES AND APPLICATIONS 3 Modification of Peptides and ... Using Lipoamino Acids and Sugars Joanne T. Blanchfield and Istvan Toth 45 4 Synthesis of Linear, Branched, and Cyclic Peptide Chimera Gábor Mezö and Ferenc Hudecz 63 5 Synthesis of Cell-Penetrating

Ngày tải lên: 03/04/2014, 12:15

... SCIENCE AND TECHNOLOGY www.ijest-ng.com © 2010 MultiCraft Limited All rights reserved Synthesis and applications of nano-structured iron oxides/hydroxides – a review M Mohapatra* and S Anand** ... iron oxides and hydroxides find application in numerous synthesis processes This review outlines the work being carried out on synthesis of iron oxides in nano form and their various applications ... ranges from 10 - 90 m2/g (Cornell and Schwertmann, 2003) 3 Synthesis Synthesis of iron oxides in the nano range for various applications has been an active and challenging areaof research during

Ngày tải lên: 28/05/2014, 14:52

... Trang 1ELECTROCHEMICAL CELLS – NEW ADVANCES IN FUNDAMENTAL RESEARCHES AND APPLICATIONS Edited by Yan Shao Trang 2Electrochemical Cells – New Advances in Fundamental Researches and Applications ... disks, bands, and cylinders) have been deduced (Molina et al., 2011a) 3 Electrochemical cells with bulk resistance Mathematical modeling of kinetics and mass-transfer in electrochemical events and ... science and technology, the research field of electrochemical cells has been more and more involved in the emerging areas of nano-technology, bio-technology, and novel energy storage and conversion

Ngày tải lên: 28/06/2014, 17:20

... continuing design and synthesis MOFs composed of 4-(imidazole-1-yl)benzoic acids to expand our knowledge about 4-(imidazole-1-yl)benzoic acid MOF family A series of ligands are synthesized and Cu MOF-3N, ... 24 2.1 Strategy and Objectives 24 2.2 Synthesis of ligands 27 2.3 Hydrothermal synthesis of MOFs 34 2.4 Conclusion 49 3 Sorption Studies of Polyaromatic Hydrocarbons and Pharmaceuticals ... lower symmetry MOFs—namely synthesis of new ligands to expand the library of molecular building blocks for constructing MOFs as well as synthesis of MOFs from those ligands, investigation of several

Ngày tải lên: 02/07/2014, 12:59

... sensor [24], and so on On the other hand, Kasuga et al [9, 10] have succeeded in the synthesis of nanotubular TiO2, which has open-end structure with typically 8–10 and 5–7 nm in outer and inner ... material, property control and enhancement are possible by tuning appropriate chemical compositions and crystal structures Therefore, special Trang 32 Synthesis and Applications of Titanium Oxide ... by dop-ing and/or nanocompositdop-ing in order to meet the requirements as per the environmental friendly and energy creation systems and various functional devices 2.2 Synthesis and Structure

Ngày tải lên: 02/07/2014, 13:10

... Si-MCM-41Ể Microporous and Mesoporous Materials, 106 (2007) 8-16 5) - L Martins, R T Boldo, D Cardoso ỀIon exchange and catalytic properties of methylammonium FAU zeoliteỂ Microporous and Mesoporous ... de elétrons quando a rede zeolítica está mais carregada A basicidade teórica de uma zeólita pode ser calculada utilizando-se o princípio da equalização de eletronegatividade de Sanderson Esta ... memorian) E nos últimos anos o grande apoio dos meus sogros: à Anita e ao Carlos À FAPESP pela bolsa de doutorado direto e ao CNPq / DAAD pela bolsa de doutorado sanduíche na Alemanha A todos aqueles

Ngày tải lên: 02/07/2014, 13:12

... family member and friends for their support and encouragements Particularly, my deepest and most sincere gratitude goes to my parents, Mr Amal Mukherjee and Mrs Joystna Mukherjee and my brother, ... interesting optical and electrical applications We have studied the crystal growth orientation and various characterizations have been performed on as-synthesized GeSe nanosheets and nanostructures ... photo-crystallization and photo-doping mean light induced crystallization and light induced doping of foreign element in the chalcogenide material system Irreversible and reversible changes in band gap and volume

Ngày tải lên: 10/09/2015, 09:06

... 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