development of knn based piezoelectric materials

... because of high pore density which offers high current flux, tunable pore sizes, rigid support structure, chemical and thermal stability, and ease of preparation using electrochemical anodization of ... of antibody (50 µL of 20 mg L-1). Overall, the responses of different biosensors towards WNV-DIII or WNV particle give R.S.D. of 1-7% or 2-9% respectively. 4.3.6 Detection of WNV particle in ... 1/2 (s-1/2) Fig 4. 6 Plot of AC voltammetry responses (Ip) of the membrane electrodes as a function of square root angular frequency (w1/2) after each step of the sensor preparation...

Ngày tải lên: 11/09/2015, 09:56

... DEVELOPMENT OF CHITIN BASED MATERIALS FOR TISSUE ENGINEERING APPLICATIONS CHOW KOK SUM NATIONAL UNIVERSITY OF SINGAPORE 2002 DEVELOPMENT OF CHITIN BASED MATERIALS FOR TISSUE ... renewable source of materials This work presented the integration of chitin and tissue engineering The availability of new chitin methodologies will provide a pool of potential materials for tissue ... approach in the treatment of malfunctioning or lost organs An important focus in this new approach is the search for suitable materials for development of a variety of tissue engineering applications...

Ngày tải lên: 17/09/2015, 17:20

... 143 4.2.1 Group of solutions to development of human resources for industrialization and modernization associated with development of knowledge -based economy in the province of Thua Thien Hue ... with the development of the knowledge- based. .. and modernization associated with the development of the knowledge- based economy in the Province of Thua ... the development of the knowledge -based economy 73 CHAPTER 3: THE CURRENT SITUATION OF HUMAN RESOURCE FOR INDUSTRIAL INDUSTRIALIZATION AND MODERNIZATION ASSOCIATED WITH THE DEVELOPMENT OF KNOWLEDGE-...

Ngày tải lên: 22/07/2014, 18:29

... partial density of states (PDOS) of CB of V-doped TiO2, (c) PDOS of Ti in CB of V-doped TiO2 and (d) PDOS of V in CB of V-doped TiO2 138 Figure 5.2 (a) Model of N-doped TiO2 (red ... nitrogen), (b) PDOS of VB of states of N-doped TiO2, (c) PDOS of O in CB of N-doped TiO2 and (d) PDOS of N in CB of N-doped TiO2 139 Figure 5.3 (a) Model of anatase TiO2 (red ... DEVELOPMENT OF INORGANIC-ORGANIC HYBRID MATERIALS FOR WASTE WATER TREATMENT SUN JIULONG (B.Sc. QUST) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY...

Ngày tải lên: 09/09/2015, 08:18

... DEVELOPMENT OF MICROEXTRACTION -BASED TECHNIQUES FOR QUANTIFICATION AND BEHAVIOR CHARACTERIZATION OF NANOPARTICLES IN AQUATIC ENVIRONMENTS SEYED MOHAMMAD MAJEDI NATIONAL UNIVERSITY OF SINGAPORE ... 2014 DEVELOPMENT OF MICROEXTRACTION -BASED TECHNIQUES FOR QUANTIFICATION AND BEHAVIOR CHARACTERIZATION OF NANOPARTICLES IN AQUATIC ENVIRONMENTS SEYED MOHAMMAD MAJEDI (M.Sc., AMIRKABIR UNIVERSITY OF ... AMIRKABIR UNIVERSITY OF TECHNOLOGY) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY NATIONAL UNIVERSITY OF SINGAPORE 2014 Thesis Declaration I hereby declare that the...

Ngày tải lên: 09/09/2015, 08:18

... DEVELOPMENT OF BISMUTH BASED VISIBLE-LIGHT-DRIVEN PHOTOCATALYSTS FOR THE DEGRADATION OF ORGANIC POLLUTANTS HAN AIJUAN (B.Sc Shandong University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... most required VI TABLE OF CONTENTS PAGE Declaration Ⅲ Acknowledgement Ⅴ Table of contents Ⅶ Summary ⅩIII List of tables XV List of figures ⅩVII ⅩⅩVII List of schemes List of journal publications ... University of Singapore The years of Ph.D research study have been a truly memorable learning journey First and foremost, I would like to offer my sincere appreciation to my supervisor Associate Professor...

Ngày tải lên: 09/09/2015, 11:16

... DEVELOPMENT OF NI -BASED CATALYSTS, CERIA NANO-STRUCTURES AND CATALYTIC MEMBRANE REACTOR FOR HIGH TEMPERATURE WATER GAS SHIFT REACTION SAW ENG TOON NATIONAL UNIVERSITY OF SINGAPORE 2014 DEVELOPMENT ... holiday, they are still offering their vital support for me Millions of thanks, I express would only be a token of appreciation for them Thank you all i Table of Contents TABLE OF CONTENTS Acknowledgements ... Science Malaysia) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2014 DECLARATION I hereby declare that...

Ngày tải lên: 09/09/2015, 11:22

... response towards a wide range of analyte species such as flow-injection sensor [4]. Development of an electrochemical sensor capable of specific identification of wide range of compounds remains a challenge. ... electrophoretic mobility of gold nanoparticles with different sizes [16] transport of proteins and selective separation of proteins of different charges [15]. In this work, the mobilities of charged species ... 2 CHAPTER Development of an electrode-membrane-electrode system for selective faradaic response towards charged redox species 2.1 INTRODUCTION Development of highly sensitive and...

Ngày tải lên: 11/09/2015, 09:56

... Journal of Physical Chemistry, 1992 96(5): p 2355-2359 29 Winkler, B.H and R.E Baltus, Journal of Membrane Science, 2003 226(1-2): p 75-84 30 Cheow, P.S., Development of nanoporous alumina -based ... platinum-coated layers of a micrometer-thick membrane This has the advantage of achieving high field strengths of about 30 kV m−1 suitable for electrokinetic transport of proteins using very ... concentration profile of a charged protein transversing a membrane channel under the influence of a favourable transmembrane potential gradient; (B) the change in potential along the axial direction of the...

Ngày tải lên: 11/09/2015, 09:56

... Alkali: Niobate -Based Ceramics Development of KNN- Based Piezoelectric Materials Shashaank Gupta, Deepam Maurya, Yongke Yan, and Shashank Priya 89 Low Temperature Sintering of the Alkali-Niobate ... display high piezoelectric properties, such as Na0.5Bi0.5TiO3 -based [58, 80–84], K0.5Na0.5NbO3 -based [85–90], and BaTiO 3based materials [40, 91–96] Longitudinal piezoelectric constants of d33 % 500 ... high piezoelectric response in lead-free piezoelectric materials are just beginning In this section, the phase transition characteristics of Na0.5Bi0.5TiO 3based, K0.5Na0.5NbO3 -based, and BaTiO3-based...

Ngày tải lên: 16/03/2014, 09:20

... Pengpat*1,2 Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand Materials Science Research Center, Faculty of Science, Chiang Mai ... from this system were found to posses the maximum piezoelectric value even though it is still far from that of the lead -based materials, such as PZT KNN has recently been subjected to intensive studies ... crystallization of the KNN phase occurred in all temperatures lower than the observed Tc of 648°C from the DTA trace It is likely that the incorporation method using 75 mol% of calcined KNN powder...

Ngày tải lên: 22/06/2014, 00:20

... the positions based on those metrics, the so-called location information fusion There are mainly four metrics: timeof-arrival (TOA) or time -of- flight (TOF) [10], time-difference -of- arrival (TDOA) ... orthogonal complement of 1M , GP is still of rank M − with probability In a different way, we can make use of the full set of TDOA measurements similarly as the second extension of the approach proposed ... knowledge of the stochastic properties of the noise We summarize the characteristics of all the estimators based on TDOA measurements in Table With the nonredundant TDOA measurement set of length...

Ngày tải lên: 20/06/2014, 20:20

... limits its practical application as a piezoelectric material In view of the high Curie temperature of NKN ceramics, the NKN-BZT binary system is of much value as a piezoelectric material [812] In this ... Effect of Li substitution on the piezoelectric properties of potassium sodium niobate ceramics Jpn J Appl Phys 2005, 44:6136 Figure XRD patterns of 0.98NKN-0.02BZT ceramics Figure XRD patterns of ... PbO in these materials presents an environmental problem The studies are now focused on discovering an alternative for lead -based materials Potassium sodium niobate ((Na,K)NbO3) materials are...

Ngày tải lên: 20/06/2014, 23:20

... BNKT; a reduction of Tc was observed in our system At room temperature, εr of pure BNKT was found to be 1,419 The addition of 10 mol% BST showed an optimum εr of 1,609 As free energy of the rhombohedral ... added The addition of BST was also found to improve the dielectric and piezoelectric properties of the BNKT ceramic A large roomtemperature dielectric constant, εr (1,609), and piezoelectric coefficient, ... composition of x = 0.10 Keywords: ceramics; X-ray diffraction; dielectric properties; microstructure; piezoelectricity Background Although Pb(Zr,Ti)O3 has played a dominant role in piezoelectric materials, ...

Ngày tải lên: 20/06/2014, 23:20

... studies on the development of current cathode materials, specifically phosphate -based polyanion materials are reviewed The objectives of the present study are presented at the end of this chapter ... this PhD dissertation ii Table of Contents Acknowledgements Table of Contents i iii Summary viii List of Tables xii List of Figures xiii List of Abbreviations xix List of Symbols xxi Copyright Permission ... In view of the importance of energy storage systems to the renewable energy landscape, there is a rapid development of energy storage technology in recent years However, the development of efficient...

Ngày tải lên: 09/09/2015, 10:10

... performance of LTO 1.6 Research objectives and contents Based on the above review, gaps of the current research of LTO -based anode materials are summarized below: 1) There is still a lack of clear ... Summary of the materials developed in this study 140 IX List of Figures Fig 1.1 Structure and principle of LIBs Fig 1.2 Structure of LTO Fig 1.3 Conductions of Li+ ions ... structure and working principle of lithium ion batteries (LIBs) Then, the recent development of LIBs, a comparison of various anode materials, characteristics of Li4Ti5O12 (LTO) and a literature...

Ngày tải lên: 09/09/2015, 11:18

... in you, the Almighty ii Table of Contents Acknowledgments i Table of contents iii Summary x Aim and Scope of Thesis xiv List of Tables xix List of Figures xx List of Schemes xxiii Abbreviations ... bridged triphenylamine based organic materials Based on the different class of compounds, our work will be discussed in five separate chapters of this thesis a) In the first part of our work (chapter-2), ... Fermi level of the metal of source or drain is close to the HOMO level of semiconductor then holes can be injected from the metal to the HOMO of semiconductor It’s the case of p-type OFET On the...

Ngày tải lên: 10/09/2015, 08:24

... APPLICATIONS OF PYRENE BASED ORGANIC MATERIALS JHINUK GUPTA (M Sc., Indian Institute of Technology Madras, India) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY ... Types of Pyrene Polymers 17 Applications of Pyrene Derivatives 18 Applications in Organic Electronics 19 1.6.1.1 Pyrene Based LCDs 19 1.6.1.2 Pyrene Based OLEDs 20 1.6.1.3 Pyrene Based OFETs ... Schematic representation of different types of pyrene polymers 14 Figure 1.6 Various fields of applications of pyrene derivatives 18 Figure 1.7 Various methods of phase transfer of NPs between water...

Ngày tải lên: 11/09/2015, 10:19