MULTI PHOTON ABSORPTION INDUCED PHOTOLUMINESCENCE IN DOPED SEMICONDUCTOR QUANTUM DOTS AND HETERO NANOSTRUCTURES
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 DOTS AND HETERO- NANOSTRUCTURES submitted by ... by doping and by forming hetero- nanostructures Specifically, this thesis presents the nonlinear optical investigations of the multi- photon absorption induced photoluminescence in Mn2+ -doped ZnS...
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Multi photon excitation and relaxation in colloidal semiconductor quantum dots
... 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 coefficients in CdSe quantum dots 79 4.4 ... following TPA in CdSe quantum dots 83 4.5 Intraband absorption following TPA in CdSe quantum dots 86 4.6 Conclusions 90 References 90 Chapter TPA OF QUANTUM DOTS IN THE REGIME OF VERY STRONG CONFINEMENT:...
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SYNTHESIS OF CDTE AND PBS SEMICONDUCTOR QUANTUM DOTS AND
... 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 Arlington, 2010 Supervising Professor: ... the synthesis of highly luminescent water soluble, CdTe quantum dots, their near infrared counterpart HgxCd1-xTe and application such as using CdTe quantum dots for the quantitative analysis of...
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Multiphoton absorption and multiphoton excited photoluminescence in transition metal doped znsezns quantum dots
... 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 multiphotonexcited PL will be detailed in ... find the proper surfactants for certain kinds of transition- metal doping, and the second can only be 14 Chapter Introduction applied under high concentration doping Synthesizing Cu- and Mn-doped...
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NONLINEAR OPTICALLY DETECTED ELECTROPHONON RESONANCE LINEWIDTH IN DOPED SEMICONDUCTOR SUPERLATTICES
... 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 Linewidth meV arb units 0.25 0.20 0.15 0.10 ... 122 HUYNH VINH PHUC, LUONG VAN TUNG, LE DINH, TRAN CONG PHONG of nonlinear absorption power in which the two photon process is included, and have obtained nonlinear absorption linewidth in rectangular...
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Báo cáo toán học: " Strong coupling among semiconductor quantum dots induced by a metal nanoparticle" ppt
... 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 Manjavacas A, Abajo FJG, ... NA, Slocik JM, and Naik RR: Excitonplasmon interaction and hybrid excitons in semiconductor- metal nanoparticle assemblies Nano lett 2006, 6:984 Hosoki K, Tayagaki T, Yamamoto S, Matsuda K, and...
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báo cáo hóa học:" Strong coupling among semiconductor quantum dots induced by a metal nanoparticle" potx
... 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 Manjavacas A, Abajo FJG, ... NA, Slocik JM, and Naik RR: Excitonplasmon interaction and hybrid excitons in semiconductor- metal nanoparticle assemblies Nano lett 2006, 6:984 Hosoki K, Tayagaki T, Yamamoto S, Matsuda K, and...
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Báo cáo y học: " Effector mechanisms of interleukin-17 in collagen-induced arthritis in the absence of interferon-γ and counteraction by interferon-γ" pot
... 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 processes Arthritis Rheum 2001, 44:2176-2184 ... comparable in the sera of both groups of mice (data not shown) IL-17 induces the production of IL-6, RANKL and GCP-2 in mouse embryo fibroblasts, and this induction is potently inhibited by IFN-γ In...
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Báo cáo hóa học: " Investigation of Semiconductor Quantum Dots for Waveguide Electroabsorption Modula" docx
... 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 former is presented ... function of reverse bias The result was obtained for the wavelength of 1317 nm The dotted line provides guide for the eyes Nanoscale Res Lett (2008) 3:486–490 The insertion loss, which consists of...
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Spectroscopic studies of two dimensional carbon nanostructures and semiconductor quantum dots
... 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 photoluminescence (PL) studies of two popular ... 532nm(2.33eV), and 633nm(1.96eV) Figure 6.7 The frequencies of Raman mode (D band, 2D band, D+G band) of CNWs as a function of excitation energy Figure 6.8 The intensity ratio of D band to G band ID/IG...
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Báo cáo hóa học: " The role of the surfaces in the photon absorption in Ge nanoclusters embedded in silica" potx
... 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 evidenced that it is related to the surfaces of Ge ... that the light absorption in Ge QDs embedded in SiO2 is strongly influenced by the surface of Ge QDs In addition, such an evidence Figure Tauc constant, Ge content, and the surfaces of Ge QDs...
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Báo cáo y học: "Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD" ppsx
... 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 points Results of our study are similar ... state and disease severity The second objective was to describe the intra- and interpatient variability in inflammatory proteins in induced sputum and serum in patients with stable COPD compared...
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Saturable absorption and two photon absorption in graphene
... 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 epitaxial graphene, we carry out pump-probe and Z-scan ... the two- photon absorption of AB stacked bilayer graphene is greatly enhanced vii Summary comparing with monolayer graphene The study of saturable absorption and two- photon absorption of graphene...
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Từ khóa: biological applications of photoluminescent semiconductor quantum dotstwo photon absorption in photodiodesa brand new treatment method of lasting wounds a multi centre randomized double blind study on effectiveness of polyhexanide and betaine in ulcers apos healing with venous originlipids as markers of induced resistance in wheat a biochemical and molecular approachhack 39 put multi channel dvd surround sound in your carpaths forward to understanding and managing induced seismicity in energy technology developmentcold induced changes in plasma membrane lipid compositionnew approaches to study metal induced stress in plantsstudies on metal induced stress in plantsmulti platform tor enabled downloader in pythonvaccine induced autoimmunity in the dogsalinomycin induced apoptosis in human prostate cancer cellsscf induced changes in polymer properties4 induced changes in the epigenetic regulation of genesand motion induced factors in implant looseningBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘI