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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Smith, C. Nghia Nguyen Liming Ji Wook Jun Nam Fonash, S. |
| Copyright Year | 2013 |
| Description | Author affiliation: Dept. of Eng. Sci. & Mech., Pennsylvania State Univ., University Park, PA, USA (Smith, C.; Nghia Nguyen; Wook Jun Nam) || Center for Nanotechnol. Educ. & Utilization, Pennsylvania State Univ., University Park, PA, USA (Liming Ji; Fonash, S.) |
| Abstract | We present the profound performance enhancements experienced when an ultra-thin nanocrystalline silicon (nc-Si) film is utilized in our light and carrier collection management (LCCM) architecture (US Patent 8,294,025). We begin by establishing theoretical short circuit current density $(J_{sc})$ values for planar nc-Si devices. Numerical simulation results for the same thicknesses conformally coated over nano-element arrays are then given. $J_{sc}$ values above $30mA/cm^{2}$ are shown for the nc-Si LCCM cells for nc-Si films as thin as 200nm. To attain a $J_{sc}$ of $35.5mA/cm^{2},$ the LCCM solar cell architecture reduces the required nc-Si volume by 98.3% compared to the planar solar cell that would match that performance. The minimization of material while maximizing performance has obvious implications for cost/watt savings. The architectural dimensions that are the product of this study are invaluable for cell manufacturing. |
| Sponsorship | IEEE Electron Devices Soc. |
| Starting Page | 0621 |
| Ending Page | 0923 |
| File Size | 597077 |
| Page Count | 303 |
| File Format | |
| DOI | 10.1109/PVSC.2013.6744227 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-06-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Photovoltaic cells Computer architecture Silicon Films Manufacturing Photovoltaic systems thin films nanoscale devices numerical simulation photovoltaic cells silicon |
| Content Type | Text |
| Resource Type | Article |
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