Department
Physics
Major
Physics
Research Advisor
Bertino, Massimo
Advisor's Department
Physics
Funding Source
National Science Foundation
Abstract
Quantum dots are semiconductor nanocrystals that have entered the quantum confinement regime and thus exhibit unique optical properties. Quantum dot photolithography (QDPL) has the potential to serve as an effective method of integrating quantum dot technology into mainstream industry. Though several types of radiation can be used for QDPL, multiphoton ionization is among the most promising. Patterns are constructed inside a porous silica matrix by focusing laser light to induce multiphoton ionization, initiating a chemical reaction which results in the precise and controlled writing of quantum dots. This method efficiently yields high-resolution patterns of quantum dots, making it a feasible process for the production of optical-digital interfacing circuitry and quantum dot laser arrays.
Biography
Lauren Rich is a third-year student at UMR, majoring in Physics. She is the daughter of Joseph and Darlene Rich from St. Louis, Missouri. Her research interests include experimental physics: primarily solid state, condensed matter, laser and optical physics. Lauren plans to attend graduate school upon completion of her bachelor's degree and pursue a PhD in Physics.
Research Category
Natural Sciences
Presentation Type
Poster Presentation
Document Type
Poster
Location
Havener Center, Carver-Turner Room
Presentation Date
11 April 2007, 1:00 pm - 3:00 pm
Quantum Dot Photolithography
Havener Center, Carver-Turner Room
Quantum dots are semiconductor nanocrystals that have entered the quantum confinement regime and thus exhibit unique optical properties. Quantum dot photolithography (QDPL) has the potential to serve as an effective method of integrating quantum dot technology into mainstream industry. Though several types of radiation can be used for QDPL, multiphoton ionization is among the most promising. Patterns are constructed inside a porous silica matrix by focusing laser light to induce multiphoton ionization, initiating a chemical reaction which results in the precise and controlled writing of quantum dots. This method efficiently yields high-resolution patterns of quantum dots, making it a feasible process for the production of optical-digital interfacing circuitry and quantum dot laser arrays.
