aromatic derivatives based materials for optoelectronic applications

Electrospun nanofibrous bismuth based materials for photocatalytic applications

Electrospun nanofibrous bismuth based materials for photocatalytic applications

... used for photocatalytic applications Specifically, Bismuth Oxyhalides have demonstrated a huge range of applications as a pigment in the cosmetic industries, as a potential material for optoelectronic ... [38, 39], in therapeutic modality for treating skin cancer [40], and potential materials for applications such as photo- 15 voltaic cells and batteries, LEDs, laser materials [40, 41] and opto-electronic ... suited/tailor-made for certain specific applications Therefore, the standard potentials for the redox systems of the proposed catalysts and that of TiO2 are listed in Figure 2.1 for a conceptual...

Ngày tải lên: 05/10/2015, 19:04

126 641 0
Cyclophane and bridged triphenylamine based organic materials for optical applications

Cyclophane and bridged triphenylamine based organic materials for optical applications

... two-photon action cross-section value for both xii the compounds have made them potentially useful for two photon probes for biological applications Star-shaped TPA materials are well explored in literature ... focus on the synthesis, characterization, properties and applications of cyclophane based and bridged triphenylamine based organic materials Based on the different class of compounds, our work will ... “syn” orientation for dithia metacyclophane but in “anti” orientation for metacyclophane unit A detail study of the optoelectronic properties of the synthesized metacyclophane based copolymers...

Ngày tải lên: 10/09/2015, 08:24

265 271 0
Development of chitin based materials for tissue engineering applications

Development of chitin based materials for tissue engineering applications

... DEVELOPMENT OF CHITIN BASED MATERIALS FOR TISSUE ENGINEERING APPLICATIONS CHOW KOK SUM (B.Sc Hons, NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT ... in this new approach is the search for suitable materials for development of a variety of tissue engineering applications Chitin has been known to science for almost two centuries but the development ... this biomass as a major renewable raw materials This dissertation presents new methodologies of developing chitin -based materials for tissue engineering applications In tissue engineering, a...

Ngày tải lên: 17/09/2015, 17:20

173 335 0
Semiconductor nanostructures for optoelectronic applications   artech

Semiconductor nanostructures for optoelectronic applications artech

... Nanostructures for Optoelectronic Applications For a listing of recent titles in the Artech House Semiconductor Materials and Devices Library, turn to the back of this book Semiconductor Nanostructures for ... Semiconductor nanostructures for optoelectronic applications —(Artech House semiconductor materials and devices library) Semiconductors Nanostructured materials Optoelectronic devices I Steiner, ... potential for bringing optoelectronics and photonics to silicon Specifically, we review issues of Ge island formation on Si We show uniform Ge island formation on planar Si and ordered island formation...

Ngày tải lên: 17/03/2014, 13:40

436 418 0
Semiconductor Nanostructures for Optoelectronic Applications pptx

Semiconductor Nanostructures for Optoelectronic Applications pptx

... Nanostructures for Optoelectronic Applications For a listing of recent titles in the Artech House Semiconductor Materials and Devices Library, turn to the back of this book Semiconductor Nanostructures for ... Semiconductor nanostructures for optoelectronic applications —(Artech House semiconductor materials and devices library) Semiconductors Nanostructured materials Optoelectronic devices I Steiner, ... potential for bringing optoelectronics and photonics to silicon Specifically, we review issues of Ge island formation on Si We show uniform Ge island formation on planar Si and ordered island formation...

Ngày tải lên: 27/06/2014, 10:20

435 396 0
Synthetic poly(ethylene glycol) based hydrogels for biomedical applications

Synthetic poly(ethylene glycol) based hydrogels for biomedical applications

... oligopeptides for various applications [23, 24] Therefore, PEG hydrogels with tunable physical properties and desirable biological interaction with the living body serve as superior hydrogel materials for ... always essential for specific hydrogel application Shear thinning is another important property of hydrogel for biomedical applications For example, injectability is a major requirement for minimal ... hydrogel materials, the preparation of hydrogels, their physical properties and finally their application in specific biomedical applications 1.2 Materials of hydrogels Polymer hydrogels for biomedical...

Ngày tải lên: 08/09/2015, 19:48

149 423 0
Mixed mode ductile fracture in metal materials for offshore applications

Mixed mode ductile fracture in metal materials for offshore applications

... results for the Al-alloy specimens: (a)  yy /  y for the sidegrooved specimens; (b)  yy /  y for the plane-sided specimens; (c)  m /  e for the side-grooved specimens; and (d)  m /  e for ... intersection points for Al-alloy 5083 H-112 SE(B) specimens: (a) P- curves forspecimen AS1; (b) P-CMOD curve forspecimen AS1; (c) P- curves forspecimen AS2; and (d) P-CMOD curve forspecimen AS2 ... versus the load results for mixed-mode specimens: (a)   -P for Mode I dominant Al-alloy specimens; (b)  / / -P for Mode II dominant Al-alloy specimens; and (c)  -P for X65 specimens ...

Ngày tải lên: 09/09/2015, 10:19

193 267 0
Self assembly peptide amphiphile biomimetic materials for biomedical applications

Self assembly peptide amphiphile biomimetic materials for biomedical applications

... to prepare biomaterials for biomedical applications The self-assembling PA system was used as the mimicking means by which the biomimetic materials were prepared for biomedical applications in ... implanted materials would adversely affect healing was realized and applied to design of implanted materials Based on the formalized design principles, the “first generation” modern biomaterials ... host-biomaterials relationship and identify bioactive components for improving restoration, leading to new design principles and synthetic strategies for biomaterials The “second generation” biomaterials...

Ngày tải lên: 09/09/2015, 18:57

171 377 0
Theoretical study of carbon based materials and their applications in nanoelectronics

Theoretical study of carbon based materials and their applications in nanoelectronics

... driving force in device performance enhancement, is not sustainable as we approach the physical limits of silicon and it is foreseen that new materials and novel device structures will be required for ... THEORETICAL STUDY OF CARBON -BASED MATERIALS AND THEIR APPLICATIONS IN NANOELECTRONICS KAI-TAK LAM A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILIOSOPHY DEPARTMENT ... thickness nm xxi Chapter Introduction For the past few decades, miniaturization of silicon based electronic devices has been the main driving force in performance enhancement and it is predicted...

Ngày tải lên: 10/09/2015, 08:39

167 364 0
Perpendicular magnetic anisotropy materials for spintronics applications

Perpendicular magnetic anisotropy materials for spintronics applications

... PERPENDICULAR MAGNETIC ANISOTROPY MATERIALS FOR SPINTRONICS APPLICATIONS HO PIN (B Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DOCTOR OF PHILOSOPHY DEPARTMENT OF MATERIALS SCIENCE AND ENGINEERING ... devices for MRAM applications Figure 1.2 Schematic diagram of GMR for the parallel and anti-parallel configurations based on a simple resistor model Figure 1.3 Schematic diagram of TMR for ... 2011, Development of Magnetic Materials and Devices for Information Storage, Poster Presentation (Singapore, Singapore) Annual Conference on Magnetism and Magnetic Materials (MMM 2011), Perpendicular...

Ngày tải lên: 10/09/2015, 09:22

190 403 0
Development of membrane based electrodes for electroanalytical applications 2

Development of membrane based electrodes for electroanalytical applications 2

... metal-coated membrane was left in contact with the solutions for ca before the start of experiment All experiments were carried out at room temperature For cyclic voltammetry experiments, the ferrocene ... reported values of the reduced forms [13] The best fitted l values for +FcMeOH and +FcN+ are 60 + µm and 20 + µm, respectively, which indicate a thinner diffusion layer for the doubly charged +FcN+, ... reference and auxiliary electrodes were placed within the feed solution (for collection experiments) or receiver solution (for shielding experiments) The membrane electrodes were connected to working...

Ngày tải lên: 11/09/2015, 09:56

27 275 0
Development of membrane based electrodes for electroanalytical applications 3

Development of membrane based electrodes for electroanalytical applications 3

... transport For example, Bernard’s group prepared the composite enzymatic membrane (CEM) to separate the D, L forms of a racemic mixture of (D/L) [11], and to isolate and to concentrate the L form Martin ... transmembrane potentials to produce driving forces for both flux and electrophoresis selectivity of proteins across the gold-coated nanotube transmembrane based on their differences on protein charges ... single protein experiments, the protein fluxes for all three proteins were observed to decrease significantly over time This suggested the driving force for the electrophoretic transport of the charged...

Ngày tải lên: 11/09/2015, 09:56

28 236 0
Development of membrane based electrodes for electroanalytical applications 4

Development of membrane based electrodes for electroanalytical applications 4

... fitted values for different biosensors give K = (6.4 ± 1)×1011 M-1 and θmax = 1.1 ± 0.1 for WNV-DIII and K = (4.3 ± 0.7)×1016 M-1 and θmax = 0.6 ± 0.0 for WNV particle (Table 4.1) θmax for WNV-DIII ... mediators) Our immunosensor in this study is based on the indirect sensing mechanism 4.1.5 Nanoporous membrane based biosensors Nanoporous membranes, comprising uniform and regularly spaced channels of ... material for the incorporation of various materials including biological molecules, metals, semiconductors, and polymers within the nanosized channels [10-12] Nanoporous membranes possess uniform...

Ngày tải lên: 11/09/2015, 09:56

43 368 0
Development of membrane based electrodes for electroanalytical applications 5

Development of membrane based electrodes for electroanalytical applications 5

... 5.2 Template -based nano material synthesis In the template -based nano material synthesizes, the templates play role as the framework Either around or within the template, the typical materials can ... arrangement to other materials An enormous variety of nanomaterials (listed below) have been successfully fabricated on the basis of nanoporous alumina membranes The 140 nano materials synthesized ... conversion between the PB and ES forms and the reversible incorporation of solution K+ ions into/out of the tubes for the PB nanotube sensor To investigate the reason for the fast response of PB nanotubes...

Ngày tải lên: 11/09/2015, 09:57

30 248 0
Biomimetic synthesis of hybrid materials for potential applications

Biomimetic synthesis of hybrid materials for potential applications

... biosorptive capacities of various biomass materials Crini reviewed the use of plant based materials as adsorbents,60 while O’Connell et al reviewed cellulose based materials. 61 A brief comparison of ... have been screened for this purpose with good results Most of the biological materials have an affinity for metal ions and other pollutants The variety of biomass available for biosorption purposes ... 1.2 List of biopeels (Fruit & vegetable) used for adsorption of different pollutants 10 Table 1.3 Different approaches to modify of biopeels for applications in water treatment 19 Chapter Table...

Ngày tải lên: 12/09/2015, 09:10

183 472 0
Vapor phase polymerized thin films and seeding polymerized nanofibers membranes of poly (3,4 ethylenedioxythiophene) for optoelectronic applications

Vapor phase polymerized thin films and seeding polymerized nanofibers membranes of poly (3,4 ethylenedioxythiophene) for optoelectronic applications

... Thin Films for Optoelectronic Applications ABTRACT Surface Morphology and Conductivity Control of Vapor-phase Polymerized Poly(3,4-ethylenedioxythiophene) Thin Films for Optoelectronic Applications ... of Materials Technology, Hochiminh City University of Technology, Vietnam Working as a member of the project “Fabrication of nano carbon particles for applications in microelectronics and information ... Poly(3,4-ethylenedioxythiophene) for Optoelectronic Applications The Thesis is Submitted to the Graduate School of the Sungkyunkwan University in Partial Fulfillment of the Requirements for the Degree of Master...

Ngày tải lên: 22/05/2016, 16:57

60 242 0
A capillary-based method determining the permeability of sand layer for geothermal applications

A capillary-based method determining the permeability of sand layer for geothermal applications

... present method can provide an important basis for analyzing the heat transfer process of BHEs in a sand -based aquifer, and also be applied for other porous materials with the grain diameter of 0.1-0.6mm ... for the parameter estimation of vg and he , and finally improving the test accuracy It should be noted that, except for sand samples, the present method can also be applied for other porous materials ... good prediction accuracy for washed sand The second method is based on the Darcy’s law, which can be broadly classified into two types: laboratory test and field test The former mainly includes...

Ngày tải lên: 05/09/2013, 17:03

8 450 0
novel hybrid materials for gas sensing applications made

novel hybrid materials for gas sensing applications made

... p-type at 1/250 wt% For the measurements performed at 250 ◦ C, the response time to 100 ppb and to 500 ppb of NO2 was around both for the hybrid materials based on WO3 and for the pure WO3 sensors ... Specifically, these concentrations were: 100, 200, 500 and 1000 ppb for NO2 ; 10 and 50 ppm for CO; 2, and 10 ppm for NH3 and 50 and 150 ppm for C6 H6 To assess the reproducibility of the results, each ... with Ag-MWCNT/WO3 (1/250 wt%) sensor time varied between 10 and 20 for Au -based hybrid sensors (see Fig 6) and was over 30 for Ag -based hybrids and pure metal oxide sensors The second air pollutant...

Ngày tải lên: 20/03/2014, 13:05

9 445 0
study of wo3-based sensing materials for nh3 and no detection

study of wo3-based sensing materials for nh3 and no detection

... S s 5.40 for 30-ppm NH and S s 4.00 for 40-ppm NO; WO q wt.% Mg, Zn, Mo and Re: S s 7.65, 5.06, 10.1, 9.46, respectively, for 30 ppm NH , and S s 5.87, 8.33, 5.00, 6.25, respectively, for 40 ppm ... alkali earth metals The materials of WO loaded with wt.% Mg, Zn, Mo and Re showed good responses both to NH and NO, and can be used for NH and NO gas sensors As a whole, these materials have low resistance ... responded to NH These two kinds of materials can be used as NH and NO selective gas sensors, respectively The characteristics of WO 3 -based semiconducting materials responding to NH and NO, i.e.,...

Ngày tải lên: 20/03/2014, 13:08

3 426 0
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