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Analysis of Carbon Nanotubes and Quantum Dots in a Photovoltaic Device Francis Smith LSAMP Summer Program 2009 Electrical Engineering Department The City College of New York
Goal: Photovoltaic Device Design and fabricate: PHOTOVOLTAIC DEVICE which is a type of  SOLAR CELL using CARBON NANOTUBES & QUANTUM DOTS
Single Walled Carbon Nanotubes (SWCNT) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cadmium Selenide Quantum Dots (CdSe QDs) ,[object Object],[object Object],[object Object],[object Object]
Methods I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],(aq) (aq)
Methods II YAG Laser Laser Attenuation Optics Scanning Platform Complete Z-Scan Setup Testing (Z-Scan) :
Results and Discussion I Absorption Spectrum of CdSe QDs (aq) Absorption Spectrum of SWCNTs (aq) SPECTROSCOPY : ,[object Object],[object Object],[object Object],[object Object]
Results and Discussion II Z-SCAN : Z-Scan of CS 2   (aq) at 8uJ and 1064nm (infrared) Z-Scan of CdSe QDs (aq) and13uJ at 532nm (green) ,[object Object],[object Object],[object Object],[object Object],MAXIMUM INTENSITY
Future Work ,[object Object],[object Object],[object Object],[object Object],[object Object],1 2 3 COMBINE QDs and SWCNTs and test all 4 combinations as in step 1 ,[object Object],[object Object]
References [1]: B.J. Landi et al, Solar Energy Materials & Solar Cells 87 (2005) 733–746 [2]: Kanwal, Alokik. A Review of Carbon Nanotube Field Effect Transistors   (Version 2.0).(2003). [3]: “Quantum Dots Explained.” Evident Technologies. 2008.   http://www.evidenttech.com/quantum-dots-explained.html. 06 July 2009. [4]: Avila et al, Molecular Mechanics Applied to Single-Walled Carbon Nanotubes.   Mat. Res. [online]. 2008, vol.11, n.3 [cited  2009-07-15], pp. 325-333 [5]: Pileni, Marie-Paule, Nature Materials 2, 145–150 (2003) [6]: Chaiwat Engtrakul, et al, Self-Assembly of Linear Arrays of Semiconductor   Nanoparticles on Carbon Single-Walled Nanotubes,J. Phys. Chem. B, 2006,   110 (50), 25153-25157 [7]: A. Kasuya et al.: Stoichiometric and ultra-stable nanoparticles of II-VI   compound semiconductors,  Eur. Phys. J. D 34, 39–41 (2005)

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Analysis Of Carbon Nanotubes And Quantum Dots In A Photovoltaic Device Slide Presentation

  • 1. Analysis of Carbon Nanotubes and Quantum Dots in a Photovoltaic Device Francis Smith LSAMP Summer Program 2009 Electrical Engineering Department The City College of New York
  • 2. Goal: Photovoltaic Device Design and fabricate: PHOTOVOLTAIC DEVICE which is a type of SOLAR CELL using CARBON NANOTUBES & QUANTUM DOTS
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  • 6. Methods II YAG Laser Laser Attenuation Optics Scanning Platform Complete Z-Scan Setup Testing (Z-Scan) :
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  • 10. References [1]: B.J. Landi et al, Solar Energy Materials & Solar Cells 87 (2005) 733–746 [2]: Kanwal, Alokik. A Review of Carbon Nanotube Field Effect Transistors (Version 2.0).(2003). [3]: “Quantum Dots Explained.” Evident Technologies. 2008. http://www.evidenttech.com/quantum-dots-explained.html. 06 July 2009. [4]: Avila et al, Molecular Mechanics Applied to Single-Walled Carbon Nanotubes. Mat. Res. [online]. 2008, vol.11, n.3 [cited 2009-07-15], pp. 325-333 [5]: Pileni, Marie-Paule, Nature Materials 2, 145–150 (2003) [6]: Chaiwat Engtrakul, et al, Self-Assembly of Linear Arrays of Semiconductor Nanoparticles on Carbon Single-Walled Nanotubes,J. Phys. Chem. B, 2006, 110 (50), 25153-25157 [7]: A. Kasuya et al.: Stoichiometric and ultra-stable nanoparticles of II-VI compound semiconductors, Eur. Phys. J. D 34, 39–41 (2005)