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Theme 1.2: Light Weight, Multifunctional Nanostructured
Fibers and Materials
The focus materials of Theme 1.2 are semiconductor nanocrystal quantum dots (QDs). The overall goal of this theme is to design, develop, assemble, and incorporate QD structures as a nanotechnology with impact in opto-electronics and molecular sensing. Nanocrystal quantum dots are nanosize particles of semiconductors whose properties are strongly dependent on their size, composition and morphology. Quantum dot heterostructures form junctions at the nanometer scale that impart further flexibility in the design of their electrical, optical, and chemical properties. Their applications in optoelectronics and their compatibility with both organic and inorganic electronic materials can lead to light weight, nanometer thin, large area, flexible, solution processable device structures such as photodetectors, light emitters, and memory devices that can be networked and incorporated into a Soldier’s situational awareness tools for improving survivability. Quantum dots can also be used as fluorescent reporters of local nanoscale environments, and coupled with appropriate chemistry can be integrated as reversible sensors of their molecular environment, with application in biomedical monitoring or chem-bio threat detection. The proposed portfolio of complementary projects explores three aspects of quantum dot nanotechnology: (1) A novel high temperature and high pressure microfluidic synthetic platform for exploring the fabrication of novel complex QD structures, (2) The integration of QDs as the active element in thin, large area photodectors for the visible and infrared, and (3) The development of QD fluorescence reporters in reversible, self-referencing molecular sensor.
Project 1.2.1: Integrated Microfluidic Synthesis of Nanostructures
Project 1.2.2: Quantum Dot Photodetectors
Project 1.2.3: Smart Quantum Dot Sensors
Theme 1.2 Researchers
Prof. Moungi G. Bawendi, Department
of Chemistry
Prof. Vladimir Bulovic, Department of Electrical Engineering and Computer Science
Prof.
Klavs F. Jensen, Department
of Chemical Engineering
Prof. Marc A. Kastner, Department
of Physics
Prof. Daniel G. Nocera, Department of Chemistry
Back to SRA 1
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