Molecular and Structural Probes of Defect States in Quantum Dots for Photoconversion
The objective of this research on quantum confined nanocrystals is to develop a fundamental understanding of the chemical properties of ligand-nanocrystal interfaces that will enable the control of defect-driven charge recombination in these systems. With this control, quantum confined nanocrystals may represent a cost effective means of absorbing light over the full solar spectrum for the production of electricity and fuels from sunlight. New spectroscopic techniques will be developed in this project that allow a direct correlation of molecular structural information about the ligand-nanocrystal interactions with the corresponding density and energetic distribution of surface defects and the influence that these defects have on charge transport and recombination. The insight that is gained will provide a molecular basis for the rational development of novel pathways for the of use quantum dots in systems for solar energy transduction.
- Research Organization:
- Pennsylvania State Univ., University Park, PA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
- DOE Contract Number:
- SC0008120
- OSTI ID:
- 1542290
- Report Number(s):
- DOE-PSU-08120
- Country of Publication:
- United States
- Language:
- English
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