17.+P3HT+BHJ+Solar+Cells

17.+P3HT+BHJ+Solar+Cells - MATSCI 302 May 16, 2008 A study...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
MATSCI 302 May 16, 2008 A study of P3HT:PCBM bulk heterojunction solar cells Thompson, Frechet Angewandte Chemie 47 (2008) p. 58.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Device Performance 400 500 600 700 800 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 1:4 P3HT:PCBM 2:3 3:2 4:1 1:1 EQE (%) Voltage (V) wavelength (nm)
Background image of page 2
Where are the charges? η EQ E A ⋅η IQE A ⋅η ED ⋅η CT ⋅η GS ⋅η CC absorption Exciton Transport Exciton splitting Geminate separation Free charge collection
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Where are the charges? η EQ E A ⋅η IQE A ⋅η ED ⋅η CT ⋅η GS ⋅η CC Optical modelling PL Quenching PL Quenching/Assumed to be 100% determined from voltage dependence of photocurrent at low light intensity Gotten from light intensity- and voltage dependence of photocurrent
Background image of page 4
400 500 600 700 0 10 20 30 40 50 60 70 80 90 100 Quantum Efficiency (%) wavelength (nm) EQEtop ??? Theory Experiment
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
Background image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/01/2011 for the course MS&E 302 taught by Professor Mcghee during the Spring '08 term at Stanford.

Page1 / 9

17.+P3HT+BHJ+Solar+Cells - MATSCI 302 May 16, 2008 A study...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online