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ENGINEERING ORGANIC SOLAR CELLS USING A NOVEL TRI-LAYER ARCHITECTURE

ENGINEERING ORGANIC SOLAR CELLS USING A NOVEL TRI-LAYER ARCHITECTURE. Michael Crump 2008–2009. ORGANIC SOLAR CELLS. http://www.inhabitat.com/wp-content/uploads/solarprint2.jpg. SOLAR CELL STRUCTURE STUDIED BY PEUMANS et al. (2003). [500 Å]. [100 Å]. [400 Å]. [200 Å]. [1500 Å].

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ENGINEERING ORGANIC SOLAR CELLS USING A NOVEL TRI-LAYER ARCHITECTURE

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  1. ENGINEERING ORGANIC SOLAR CELLS USING A NOVEL TRI-LAYER ARCHITECTURE Michael Crump 2008–2009

  2. ORGANIC SOLAR CELLS http://www.inhabitat.com/wp-content/uploads/solarprint2.jpg

  3. SOLAR CELL STRUCTURE STUDIED BY PEUMANS et al. (2003) [500 Å] [100 Å] [400 Å] [200 Å] [1500 Å]

  4. OSC EXPERIMENTAL ARCHITECTURE 1 [500 Å] [100 Å] [400 Å] [200 Å] [10–100 Å] [1500 Å]

  5. KUSHTO et al. (2005) ARCHITECTURE [500 Å] [100 Å] [400 Å] [200 Å] [1500 Å] NPD

  6. OSC EXPERIMENTAL ARCHITECTURE 1 [500 Å] [100 Å] [400 Å] [200 Å] [10–100 Å] [1500 Å] NPD (donor)

  7. ENERGY GRAPH CuPc (Donor) C60 (Acceptor) donor donor

  8. RATIONALE FOR USING NPD(RAND et al. 2005) NPD (Donor) donor CuPc (Donor) C60 (Acceptor) donor donor

  9. THERMAL EVAPORATION CHAMBER

  10. FABRICATING BILAYERORGANIC SOLAR CELLS Pressure Gauge 0 atm 1 atm

  11. FABRICATING ORGANIC SOLAR CELLS

  12. TESTING ORGANIC SOLAR CELLS Computer Solar Cell Current Diode Current JMAX x VMAX JSC x VOC Photocurrent Light

  13. DETERMINING EFFICIENCY Efficiency = Voltage x Current x Fill Factor

  14. NPD RESULTS Efficiency vs. NPD thickness control

  15. NPD RESULTS Fill Factor vs. NPD Thickness control control Current vs. NPD thickness

  16. NPD RESULTS Voltage vs. NPD thickness control

  17. NPD ENERGY GRAPH CuPc (Donor) C60 (Acceptor) donor donor NPD (Donor) donor

  18. OSC EXPERIMENTAL ARCHITECTURE 2 [500 Å] [100 Å] [400 Å] [200 Å] [10–100 Å] [1500 Å]

  19. HOLMES et al. (2008) ARCHITECTURE [500 Å] [100 Å] [400 Å] [200 Å] [1500 Å] PtOEP

  20. RATIONALE FOR USING PTOEP PtOEP (Donor) CuPc (Donor) C60 (Acceptor) donor donor donor

  21. PTOEP RESULTS Efficiency vs. PtOEP Thickness control

  22. Fill Factor vs. PtOEP Thickness PTOEP RESULTS control control Current vs. PtOEP Thickness

  23. PTOEP RESULTS Voltage vs. PtOEP Thickness control

  24. YANG et al. (2008) CuPc (Donor) Donor C60 (Acceptor) Acceptor donor donor donor donor PtOEP (Donor) donor

  25. CONCLUSIONS • Voltage depends only on energy gap between electron donor and electron acceptor (Yang) • Low current

  26. FUTURE WORK • Dope NPD or PtOEP(Maenniget al. (2004)) • Find optimal balance between electron donor and NPD

  27. FUTURE WORK Pressure Gauge 0 atm 1 atm

  28. ACKNOWLEDGMENTS • Dr. Russell Holmes • University of Minnesota • Kai-Yuan Cheng, Grant Lodden, Wade Luhman, and Richa Pandey • Dr. Marla Feller andMs. Lois Fruen • The Breck Research Team http://www.cems.umn.edu/about/people/facdetail.php?cemsid=20785

  29. ENGINEERING ORGANIC SOLAR CELLS USING A NOVEL TRI-LAYER ARCHITECTURE Michael Crump 2008–2009

  30. RATIONALE FOR USING NPD(RAND et al. 2005) NPD (Donor) donor CuPc (Donor) C60 (Acceptor) donor donor

  31. DETERMINING EFFICIENCY Efficiency = Voltage x Current x Fill Factor

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