Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/120436
Title: MULTI-PHOTON ABSORPTION INDUCED PHOTOLUMINESCENCE IN DOPED SEMICONDUCTOR QUANTUM DOTS AND HETERO-NANOSTRUCTURES
Authors: RADHU SUBHA
Keywords: Multi-photon absorption, Quantum dots, Nanorods, Nonlinear absorption, Transient pump probe spectroscopy, Hetero-nanostructure
Issue Date: 10-Jul-2015
Source: RADHU SUBHA (2015-07-10). MULTI-PHOTON ABSORPTION INDUCED PHOTOLUMINESCENCE IN DOPED SEMICONDUCTOR QUANTUM DOTS AND HETERO-NANOSTRUCTURES. ScholarBank@NUS Repository.
Abstract: MATERIALS WITH HIGH MULTI-PHOTON ABSORPTION CROSS-SECTION ARE OF RECENT INTEREST IN OPTO-ELECTRONIC AND BIOLOGICAL APPLICATIONS SUCH AS OPTICAL LIMITING, THREE-DIMENSIONAL DATA STORAGE, MULTI-PHOTON MICROSCOPY ETC. OWING TO THE PROPERTIES SUCH AS REMARKABLE PHOTO STABILITY, BRIGHTNESS AND SIZE DEPENDENT ABSORPTION AND EMISSION, SEMICONDUCTOR NANOCRYSTALS (NCS) ARE PREFERRED OVER OTHER CONVENTIONAL FLUOROPHORES AS BIO-IMAGING PROBES IN MULTI-PHOTON MICROSCOPY. THE MAJOR IMPEDIMENT TO USE MULTI-PHOTON ABSORPTION IN NCS FOR PRACTICAL APPLICATIONS IS THE REQUIREMENT OF HIGH EXCITATION INTENSITY BECAUSE OF THE LOW ABSORPTION CROSS-SECTION OF NANOCRYSTALS IN NEAR-INFRARED (NIR) WAVELENGTHS. THIS DISSERTATION AIMS AT ENHANCING THE MULTI-PHOTON ABSORPTION CROSS-SECTION OF NANOCRYSTALS IN NIR WAVELENGTHS 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 ZN
URI: http://scholarbank.nus.edu.sg/handle/10635/120436
Appears in Collections:Ph.D Theses (Open)

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