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Meeting Materials Science & Technology 2009
Symposium Nanotechnology for Energy
Presentation Title Semiconductor-Transparent Conductive Oxide (SC-TCO) Inorganic Nanocomposite Thin Films for Photovoltaic Energy Conversion
Author(s) Grace Shih, Cary Allen, B.G. Potter
On-Site Speaker (Planned) B.G. Potter
Abstract Scope Semiconductor nanocrystals (quantum dots (QDs)) are widely researched as optical sensitizers in third-generation photovoltaic (PV) devices. Improvements in PV energy conversion efficiency are anticipated through the manipulation of nanocrystal size and spatial distribution within the heterojunction thus influencing the optical absorption and carrier transport properties of the device. The present work investigates the impact of germanium (Ge) within an indium-tin-oxide (ITO) conductive matrix. Ge-ITO thin films are produced via a multisource, sequential, RF-magnetron sputter deposition technique. The approach enables the variation of semiconductor volume fraction and phase distribution by adjustment of the relative substrate exposure times to each sputtering source during deposition. Spectrally resolved photoconductivity measurements of the resulting nanocomposite films confirm the development of a photocurrent under frequency-selective optical excitation of the Ge nanocrystal ensemble. Photovoltaic performance is examined by incorporating the nanocomposite into a heterojunction structure.
Proceedings Inclusion? Planned:


Advances in Energy
Attachment of Metallic Palladium Nano-Particles in High Porosity Graphitic Foam for Catalysis and Hydrogen Storage
Characterization of Pt-Pd Bimetallic NO Oxidation Catalysts with Advanced Electron Microscopy
Effects of Liquid Environment on Size and Aggregation of Copper Nanoparticles Prepared by Pulsed Laser Ablation
Elaboration of Nanophased Materials in Supercritical CO2: Ceramic Nanopowder Synthesis, Encapsulation and Deposition
Enhancement of Transmittance in ZnO/Ag/ZnO Multilayer System by Localized Surface Plasmon Resonance
Examining Defects in Solid Core 2-D Photonic Band-Gap Fibers (SC-PBG) with High Index Inclusions
Formation Mechanisms: Magic-Sized Quantum Dots vs. Regular Quantum Dots
Hydrothermal Growth of the TiO2 Nanowire Array on Ti Plates for the Photocatalytic Application
Improved Properties of Materials Using Near-Nano and Nano-Based Materials in Bulk Consolidation Processing
Influence of Gas Flow Rate on the Formation of ZnO Nanorods and their Effect on Photoelectrochemical Response
Minimization of Thermal Conductivity in Oxide Thin Film Thermoelectrics
Modeling GaAs Nanowire Growth in Chemical Beam Epitaxy
Nanocoating Enhanced Optical Fiber Sensors
Nanostructured Inorganic Thin Film Enabled Fiber Optic Sensors for Gas Sensing in Energy and Environmental Systems
Optical Characterization of Chemically Deposited SbCuS Thin Films
Semiconductor-Transparent Conductive Oxide (SC-TCO) Inorganic Nanocomposite Thin Films for Photovoltaic Energy Conversion
Solid State Synthesis of Perovskite-Spinel Nanocomposites
Synthesis and Characterization of Chromium, Nitrogen Co-Doped TiO2 Nanoparticles and Thin Films for Enhanced Solar Energy Utilization
Synthesis and Characterization of Perovskite-Tungsten Bronze Structured (1-x)PLZT-xPBBiN Nano Ceramic Composites for Energy Harvesting
Synthesis and Characterization of Relaxor Perovskite-Tungsten Bronze Structured (1-x)[0.5PMN-0.5PZT]-xPBBiN Nano Ceramic Composites
Synthesis of Magnetic Core-TS-1 Zeolite Shell Catalyst
Synthesis of Nanoporous Mg Spinel through Selective Reduction of Nickel
The Role of Ceramics in Energy Harvesting, Storage and Conservation
The Stability of Gold Nanoparticles Supported on 1D Ceramic Nanostructures
**Application of Nanomaterials and Processes for Fossil Energy Power Generation (Title Change)

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