tunable optical properties of an elastomer elastomer nanolayered system

... recombination is enhanced and photoluminescence (PL) quantum yield is improved Examples of such materials include... Among many important physical properties, optical properties of nanomaterials ... principle tunable by changing the size, shape or composition of the nanomaterials. The ability to understand and to fabricate such nanomaterials in a controllable manner is hence important and challenging. ... and phase-controlled syntheses of ZnS nanorods and nanoparticles . 58 3.3 Optical properties of ZnS nanorods and nanoparticles 69 3.4...

Ngày tải lên: 11/09/2015, 09:11

... influence the transversal relaxation Conversely, two equivalents of the ion cause the shift and disappearance of several signals, without the concomitant appearance of any new resonance This anomalous ... rather than with specific binding Aggregation seems to initiate around the first helix Titration of CyaY with lanthanides ) the effect of europium and ytterbium Lanthanides were used to enhance the ... analysis of the effects (Fig 2A) Titration of CyaY with lanthanides ) titration of CyaY with lutetium To investigate the effect of a diamagnetic cation different from Ca2+, we used the lanthanide...

Ngày tải lên: 18/02/2014, 16:20

... Puri®cation and properties of an alkaline proteinase of Fusarium culmorum Anja I. Pekkarinen 1,2 , Berne L. Jones 3 and Marja-Leena Niku-Paavola 2 1 Department of Agronomy, University of Wisconsin-Madison, ... activity of the sample without BSA was measured as a control and the activities of all of the samples were analyzed after 90 min of incubation. The concentration of BSA in each of the activity analysis ... indicated with an arrow. Fig. 2. SDS/PAGE pattern of the puri®ed proteinase. Lanes 1 and 2: 0.5 and 1.5 lg of CM-HPLC puri®ed enzyme; lane 3: molecular mass standards. Ó FEBS 2002 An alkaline Fusarium...

Ngày tải lên: 31/03/2014, 21:21

... electrons and solids, and the band curvature (∂ 2 E/∂kα ∂kβ ), the energy band diagrams provide important information on the strength of optical transitions Correspondingly, knowledge of the optical ... the optical properties of semiconductors exhibit a metal-like behavior, while at very high frequencies their optical properties. .. important in semiconductors and metals, and can be ... collectively called the optical constants of the solid, where ˜n is the index of refraction and ˜ k is the extinction coefficient. (We use the tilde over the optical constants ˜n and ˜ k to distinguish...

Ngày tải lên: 24/04/2014, 17:13

... thickness and the study of optical properties of metal coated microspheres), the optical properties of metamaterials made with stacked hole arrays and the guiding of metallic waveguides (and their ... theory can already be used as a predictive tool in this area To summarize, this thesis analyses a large number of topics of current interest in Nanophotonics and the optical properties of nanostructured ... resonances (580 nm [1 1]-resonance and 800 nm [1 0]-resonance) are depicted in Fig 5.16, in x–y planes nm below and above the gold–air interface, and in the x–z planes through the center of the...

Ngày tải lên: 29/05/2014, 18:40

... Thus the control of structural type and composition of bimetallic nanoparticles comprised of Ag and Au have been a subject of considerable interest; and the developed of simple and versatile ... sensors, nanoelectronic devices [6-13] and biosensors [14]. The properties and hence the applicability of these nanoparticles not only depend on their size and shape, but also on the combination of ... resonance (SPR) absorption band of the nanoclusters could be tuned from 419 nm to 521 nm through the variation of their composition. Considering effective dielectric constant of the alloy, optical...

Ngày tải lên: 04/06/2014, 15:20

... the physical properties of ZnO nanostructures [19]. The irradiation changes the amount of defects in ZnO nanorods resulting in changes in the optical properties of ZnO. The effect of the ion ... [20] Fang T-H, Chang W-J, Water W, and Lee C-C. Effect of gas concentration on structural and optical characteristics of ZnO nanorods. Physica E 2010, 42:2139–2142. [21] Jang J-S, Chang I-S, ... appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting...

Ngày tải lên: 18/06/2014, 22:20

... the physical properties of ZnO nanostructures [19]. The irradiation changes the amount of defects in ZnO nanorods resulting in changes in the optical properties of ZnO. The effect of the ion ... [20] Fang T-H, Chang W-J, Water W, and Lee C-C. Effect of gas concentration on structural and optical characteristics of ZnO nanorods. Physica E 2010, 42:2139–2142. [21] Jang J-S, Chang I-S, ... appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting...

Ngày tải lên: 20/06/2014, 04:20

... Cui Yanxiang 2 , Tian Haitao 2,3 , Gao Huaiju 2 , Jia Haiqiang 2 , Wang Wenxin 2 , Chen Hong 2 , and Zhao Liancheng* 1 1 School of Materials Science and Engineering, Harbin Institute of Technology, ... doi:10.1186/1556-276X-7-87 Zhang Shuhui (zhangshuhui2008@126.com) Wang Lu (lwang@iphy.ac.cn) Shi Zhenwu (zhenwushi@163.com) Cui Yanxiang (yxcui@aphy.iphy.ac.cn) Tian Haitao (etianhaitao@gmail.com) Gao ... in any medium, provided the original work is properly cited. The structural and optical properties of GaSb/InGaAs type-II quantum dots grown on InP (100) substrate Zhang Shuhui 1,2 , Wang...

Ngày tải lên: 20/06/2014, 20:20

... by Noor [3–5] and Padmanabhan and Parvatham [2]. Also it can easily be seen that ( ) * 2 0 R S = and ( ) 2 0 , T K = where * S and K are the well-known classes of starlike and close-to-convex ... [2] Padmanabhan, K, Parvatham, R: Properties of a class of. .. with bounded boundary rotation Ann Polon Math 31, 311–323 (1975) [3] Noor, KI: On radii of convexity and starlikeness of ... Fazal Ghani 1 1 Department of Mathematics, Abdul Wali Khan University, Mardan, Pakistan 2 Department of Mathematics, COMSATS Institute of Information Technology, Islamabad, Pakistan * Corresponding...

Ngày tải lên: 20/06/2014, 21:20

... S.-D & Ching, W Y Electronic and optical properties of three phases of titanium dioxide: Rutile, anatase, and brookite Physical Review B 51, 1302313032 (1995) Landmann, M., Rauls, E & Schmidt, ... Chapter-7 Summary and Future work 104 Simultaneous observation of Kondo effect and magnetism 105 7.2 Electron transport at the TiO2 surfaces of rutile, anatase and strontium titanates 106 ... of compensating cationic defects such as titanium vacancies (VTi) , Ti3+ and suppress the formation of anionic vacancies such as oxygen vacancies (VO) in a crystal It is inferred that Ti vacancy...

Ngày tải lên: 08/09/2015, 15:20

... Dr. Jiabo Yi, Tom Wijnands, Wentao Xu, Dr. Kalon Gopinadhan, Prof. Alexander Brinkman, Asst. Prof. Wei Chen, Prof. Ganaphathy Baskaran, Assoc. Prof. Jun Ding, Asst. Prof. Andrivo Rusydi, Joost ... MAGNETIC AND OPTICAL PROPERTIES OF ATOMICALLY CONTROLLED COMPLEX OXIDE HETEROSTRUCTURES AND INTERFACES XIAO WANG NATIONAL UNIVERSITY OF SINGAPORE 2012 I ELECTRONIC, MAGNETIC AND OPTICAL PROPERTIES ... Besides that, Prof. Hans Hilgenkamp also helped me to successfully apply for the Rubicon grant and I thank him for his time and effort. I also thank our department head Prof. Feng Yuanping, who brought...

Ngày tải lên: 09/09/2015, 10:07

... reflectance and inherent optical properties of oceanic waters derived from above-water measurements, Proceedings of SPIE, 2963, 160 Lee Z., Hu C., 2006, Global distribution of Case-1 waters: An analysis ... atmosphere and the ocean The optical properties from the ocean can be used to relate to water quality parameters such as turbidity The optical properties of the atmosphere such as optical ... spite of large uncertainties in radiometric calibrations for these two satellite instruments. Optical properties such as path reflectance, scattering transmittance and gaseous transmittance were...

Ngày tải lên: 11/09/2015, 16:05

... NONLINEAR OPTICAL PROPERTIES OF CdS QUANTUM DOTS HE JUN NATIONAL UNIVERSITY OF SINGAPORE 2005 NONLINEAR OPTICAL PROPERTIES OF CdS QUANTUM DOTS HE JUN (M. Sc. Jilin ... conveyed to my colleagues and friends in National University of Singapore, in particular to Mr. Huang Lei, Dr. Sun Wanxin, Dr. Liu Lei, Dr. Yu Ting, Dr. Sun Yiyang, Dr. Zhang Hanzhuang, Mr. Guo Hongchen, ... The quantum confinement effect in semiconductor NCs 23 Z-scan technique 25 2.2.1 Principle of Z-scan technique 26 2.2.2 Z-scan data analysis for thin samples 29 2.2.3 Z-scan data analysis...

Ngày tải lên: 16/09/2015, 08:30

... Mulliken 32 as a result of the observation of an absorption band in the ultraviolet and visible spectrum of many molecular complexes This characteristic 'charge transfer' transition band does not appear ... Chemical and Optical Properties of Molecular Complexes 203 Interaction occurs generally by transfer of a lone electron pair from an elec­ tron donor or base into an unfilled molecular orbital of an ... A Sandford and L J Allamandola, Astrophys J 417, 815 (1993) 132 S A Sandford, L J Allamandola, A G G M Thielens, and G C Valero, Astrophys J 329, 510 (1988) Chemical and Optical Properties of...

Ngày tải lên: 05/07/2016, 10:40

... by recalling the analogy between the infrared absorption of polar solids and that of isolated molecules In both cases we are basically treating the interaction of photons with quantized vibrational ... phonon quang Với hệ thức tán sắc phức tạp hơn, tương tự khả trình bậc cao hơn, nhiều loại phân rã khác đóng góp vào thời gian sống phonon quang học The lifetime of the optical phonons can be deduced ... consequence of the strong coupling between the TO phonons and the photons when their frequencies and wave vectors match This leads to the characteristic anticrossing behaviour which is observed in many...

Ngày tải lên: 29/08/2017, 14:56

... Luo, J Villegas and D Miracle 191 Microstructural Dependence of Mechanical Properties in Bulk Metallic Glasses and Their Composites U Ramamurty, R Raghavan, J Basu and S Ranganathan 199 The Bottom-Up ... University of Krakow, Poland (1999), election as an Honorary Member of the Japan Institute of Metals (1998), an Honorary D.Sc from Lehigh University (1996), election as an Honorary Member of the Indian ... other highangle gram boundanes in Cu-Bi and Fe-P is that crystallography plays an even more important role than hitherto suspected and some high-angle grain boundanes are inherently resistant to...

Ngày tải lên: 04/06/2014, 14:27

... Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 ... Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 ... Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72...

Ngày tải lên: 10/12/2013, 02:15

... Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 ... Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 ... Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72 Pos Term Panel 72...

Ngày tải lên: 24/01/2014, 03:20