Transport and structural characterization of solution-processable doped ZnO nanowires

Rodrigo Noriega; Ludwig Goris; Jonathan Rivnay; Jonathan Scholl; Linda M. Thompson; Aaron C. Palke; Jonathan F. Stebbins; Alberto Salleo

doi:10.1117/12.826204

20 August 2009 Transport and structural characterization of solution-processable doped ZnO nanowires

Rodrigo Noriega, Ludwig Goris, Jonathan Rivnay, Jonathan Scholl, Linda M. Thompson, Aaron C. Palke, Jonathan F. Stebbins, Alberto Salleo

Author Affiliations +

Proceedings Volume 7411, Nanoscale Photonic and Cell Technologies for Photovoltaics II; 74110N (2009) https://doi.org/10.1117/12.826204
Event: SPIE Solar Energy + Technology, 2009, San Diego, California, United States

Abstract

The use of ZnO nanowires has become a widespread topic of interest in optoelectronics. In order to correctly assess the quality, functionality, and possible applications of such nanostructures it is important to accurately understand their electrical and optical properties. Aluminum- and gallium-doped crystalline ZnO nanowires were synthesized using a low-temperature solution-based process, achieving dopant densities of the order of 10²⁰ cm^-3. A non-contact optical technique, photothermal deflection spectroscopy, is used to characterize ensembles of ZnO nanowires. By modeling the free charge carrier absorption as a Drude metal, we are able to calculate the free carrier density and mobility. Determining the location of the dopant atoms in the ZnO lattice is important to determine the doping mechanisms of the ZnO nanowires. Solid-state NMR is used to distinguish between coordination environments of the dopant atoms.

Citation Download Citation

Rodrigo Noriega, Ludwig Goris, Jonathan Rivnay, Jonathan Scholl, Linda M. Thompson, Aaron C. Palke, Jonathan F. Stebbins, and Alberto Salleo "Transport and structural characterization of solution-processable doped ZnO nanowires", Proc. SPIE 7411, Nanoscale Photonic and Cell Technologies for Photovoltaics II, 74110N (20 August 2009); https://doi.org/10.1117/12.826204

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