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JESUS GUARDADO, LEAH NATION, HUY NGUYEN, TINA RO. UPDATE  2/25/2010. Agenda. Project Background Current Progress  Setbacks How that affects us Previous Schedule Updated Gantt Looking ahead. Project Background. Polymeric Photovoltaic Cells Low fabrication costs Light weight Flexible

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Presentation Transcript
agenda
Agenda
  • Project Background
  • Current Progress 
  • Setbacks
  • How that affects us
  • Previous Schedule
  • Updated Gantt
  • Looking ahead
project background
Project Background

Polymeric Photovoltaic Cells

  • Low fabrication costs
  • Light weight
  • Flexible

Carbon Nanotubes

  • Aid transfer of electrons
  • Prevents charge recombination
  • Improves Voc

Illustration of cell

FTO - Flouride Tin Oxide

PEDOT - Poly(3,4-ethylenedioxythiophene)

P3HT - poly(3-hexylthiophene)

current progress
Current Progress

 Accomplishments:

  • acquire materials
  • find workspace
  • obtain permission to use equipment
  • modify procedure based on available equipment
  • create logo
  • consultations with staff, professors
  • reserve future equipment
materials purchased and donated
Materials Purchased and Donated    
  • Carbon nanotubes (CoMoCAT, Aldrich)
  • P3HT [ poly(3-hexylthiophene) ] (Baldo)
  • chloroform (Xie)
  • PEDOT [ poly(3,4-ethylenedioxythiophene) ] (Xie)
  • FTO [ Fluoride Tin Oxide ] (Xie)

http://riekemetals.thomasnet.com/

SWeNT SG 65, from CoMoCAT

equipment and labs
Equipment and Labs
  • Equipment and Lab confirmed for nanotube prep:
    • 2/25 ISN (Institute for Soldier Nanotechnologies)
      • Ultrasonicator
      • Super Speed Centrifuge
        • wanted: rcf= 164,000g
        • got: 70,000g
  • Impact of available equipment: 

    modify procedure

    • different ratio P3HT to CNTs
    • lower PV response

nanopharmaceuticals.org

setbacks and challenges
Setbacks and Challenges

Setbacks:

  • Delays in obtaining materials
  • Primary lab choice: inaccessible
  • Secondary lab option: inadequate equipment
  • Long-distance communication issues
  •   Immediate Challenges:
    • Securing access to ISN equipment
    • Adjusting to a changed protocol and schedule

http://www.uwyo.edu/EHS/images/jpeg%20images/detour_sign.jpg

upcoming tasks
Upcoming Tasks:
  • Create samples: Prepare nanotube materials, prepare mixtures for samples, spin coating
  • Continue research on future potential of PPCs
  • Prepare strong final design strategy for next presentation
summary
Summary

The harder the conflict, the more glorious the triumph. What we obtain too cheap, we esteem too lightly; it is dearness only that gives everything its value. I love the man that can smile in trouble, that can gather strength from distress and grow brave by reflection. 'Tis the business of little minds to shrink; but he whose heart is firm, and whose conscience approves his conduct, will pursue his principles unto death.

-Thomas Paine

acknowledgements
Acknowledgements
  • Helen Zeng
  • Yinlin Xie
  • Joy Perkinson
  • Christoph Sachs