Date of Graduation
12-2011
Document Type
Thesis
Degree Name
Master of Science in Microelectronics-Photonics (MS)
Degree Level
Graduate
Department
Microelectronics-Photonics
Advisor/Mentor
Naseem, Hameed A.
Committee Member
Yu, Shui-Qing "Fisher"
Second Committee Member
Salamo, Gregory J.
Third Committee Member
Vickers, Kenneth G.
Keywords
Applied sciences; Aluminum-induced crystallization; Amorphous silicon; Composite nanomaterial; Light trapping; Nanostructures; Polycrystalline silicon
Abstract
A material with the precise combination of amorphous silicon and polycrystalline silicon would be able to take advantage of the high absorption capabilities of amorphous silicon and the electron transport capabilities of polycrystalline silicon. Polycrystalline nanostructures in the form of wires can also take advantage of other properties of light absorption, trapping and scattering inherent in nanowire structures. These properties of high absorption and electron transport in one device would lead to advances in the search for highly efficient low cost solar cells and sensors. In this work a thin film material composed of an array of polycrystalline silicon nanostructures imbedded in amorphous silicon is fabricated. The crystallization of the amorphous silicon in nanometer select areas was achieved through aluminum induced crystallization. The precise control of crystallization was achieved through a focused ion beam created template of SiO2. The film was characterized utilizing SEM and TEM.
Citation
Newton, B. S. (2011). Fabrication of Composite Nanomaterials For Thin Film Amorphous Silicon Solar Cells. Graduate Theses and Dissertations Retrieved from https://scholarworks.uark.edu/etd/163
Included in
Electronic Devices and Semiconductor Manufacturing Commons, Nanotechnology Fabrication Commons, Power and Energy Commons