MULTI PHOTON ABSORPTION INDUCED PHOTOLUMINESCENCE IN DOPED SEMICONDUCTOR QUANTUM DOTS AND HETERO NANOSTRUCTURES

... experiments embodied in this thesis entitled, MULTI- PHOTON ABSORPTION INDUCED PHOTOLUMINESCENCE IN DOPED SEMICONDUCTOR QUANTUM DOTS AND HETERO- NANOSTRUCTURES , submitted for the degree of Joint Doctor ... is to certify that the work incorporated in the thesis entitled, MULTI- PHOTON ABSORPTION INDUCED PHOTOLUMINESCENCE IN DOPED SEMICONDUCTOR QUANTUM...

Ngày tải lên: 17/09/2015, 17:17

... II-VI semiconductors 38 2.3 TPA in strong confinement quantum dots 39 2.3.1 General information of TPA transition in quantum dots 40 2.3.2 TPA transition in quantum dots considering band mixing ... Chapter TWO -PHOTON EXCITATION AND RELAXATION IN CdSe QUANTUM DOTS 70 4.1 Introduction 70 4.2 Synthesis and characterization of CdSe quantum dots 74 4.3 TPA coe...

Ngày tải lên: 14/09/2015, 08:38

... soluble CdTe quantum dots 13 2.3.1.1 TGA stabilized CdTe quantum dots 14 2.3.1.2 L-Cysteine stabilized CdTe quantum dots 14 2.3.1.3 CA stabilized CdTe quantum dots 14 2.3.2 Synthesis ... ABSTRACT SYNTHESIS OF CDTE AND PBS SEMICONDUCTOR QUANTUM DOTS AND THEIR BIOLOGICAL AND PHOTOCHEMICAL APPLICATIONS Xing Zhang, M.S The University of Texas at Arl...

Ngày tải lên: 28/04/2014, 15:48

... nonlinear optical investigations of the multiphoton absorption (MPA) and multiphoton excited charge carrier dynamics in ZnSe/ZnS and transitionmetal -doped ZnSe/ZnS core/shell semiconductor quantum ... understanding of how the quantum confinement changes the spin-forbidden transitions in QDs The experiment setups and principles of Z-scan, pump-probe, and multiphotonex...

Ngày tải lên: 11/09/2015, 10:06

... decreases, so NONLINEAR OPTICALLY DETECTED ELECTROPHONON RESONANCE LINEWIDTH IN 129 that NODEPR linewidth drops However, the value of nonlinear linewidth in our result is smaller than linear ones ... obtain the temperature dependence of the NODEPR linewidth as shown in Fig NONLINEAR OPTICALLY DETECTED ELECTROPHONON RESONANCE LINEWIDTH IN 127 PNLn Ω Line...

Ngày tải lên: 31/10/2015, 10:41

Ngày tải lên: 14/03/2014, 13:20

... Strong coupling among semiconductor quantum dots induced by a metal nanoparticle Yong He and Ka-Di Zhu∗ Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), ... Ridolfo A, Di Stefano O, Denti P, and Borghese F: Nanopolaritons: vacuum rabi splitting with a single quantum dot in the center of a dimer nanoantenna ACS nano 2010, 4:6369...

Ngày tải lên: 20/06/2014, 20:20

... Strong coupling among semiconductor quantum dots induced by a metal nanoparticle Yong He and Ka-Di Zhu∗ Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), ... Ridolfo A, Di Stefano O, Denti P, and Borghese F: Nanopolaritons: vacuum rabi splitting with a single quantum dot in the center of a dimer nanoantenna ACS nano 2010, 4:6369...

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 21/07/2014, 16:21

... destruction by increasing the production of KC and MIP-2, and thereby the influx of Fcγ R-bearing neutrophils [52] Importantly, we established an inhibition of this production of GCP2, RANKL and IL-6 ... necrosis factor alpha-induced synthesis of interleukins 1,6, and in skin and synovial fibroblasts: a possible role as a "fine-tuning cytokine" in inflammation pr...

Ngày tải lên: 09/08/2014, 14:22

... components of the insertion loss were discussed Furthermore, methods to improve the performance of the QD-EAM are proposed We believe that QDs are promising for EAM and the performance of QD-EAM ... However, extraction of the absorption spectra is more relevant for EAM employing the surface-normal structure where 100% quantum efficiency is normally assumed Therefore, only the for...

Ngày tải lên: 22/06/2014, 01:20

... SPECTROSCOPIC STUDIES OF TWO DIMENSIONAL CARBON NANOSTRUCTURES AND SEMICONDUCTOR QUANTUM DOTS Ni Zhenhua (B Sc Shanghai Jiao Tong University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... results on spectroscopic studies of two dimensional carbon nanostructures: graphene and carbon nanowalls (CNWs) It also includes the high pressure Raman and...

Ngày tải lên: 13/09/2015, 21:36

... characterized Ge QDs (2 to 10 nm in size) embedded in silica by thermal annealing of a SiGeO film produced by magnetron sputtering The light absorption spectra of the investigated Page of Ge QDs have ... amount of clustered Ge, the probability of photon absorption is larger the smaller is the QD size By modeling the photon absorption mechanism, we ev...

Ngày tải lên: 21/06/2014, 05:20

... Aaron et al., Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD Respiratory Research 2010, 11:41 Page 12 of 12 ... intra and inter-patient variability in all of these sputum inflammatory indices which could be reduced by using a day rolling mean of individual patient data poi...

Ngày tải lên: 12/08/2014, 11:21

... different methods and the saturable absorption of vertical aligned CNTs thin film In chapter 5, we explore the two- photon absorption properties of monolayer and bilayer graphene Two- photon absorption ... generated by one -photon and two- photon interband transitions In order to explore the two- photon absorption properties of the monolayer and bilayer ep...

Ngày tải lên: 09/09/2015, 17:55