Topic 16 - Efficiency of org PV

Topic 16 - Efficiency of org PV - xcitons in organics...

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Unformatted text preview: xcitons in organics xcitons in organics Excitons in organics Excitons in organics MS&E 803: Structure and Properties of Advanced Electronic Materials Fall 2009, Prof. Mike Arnold rof. Michael Arnold, MS&E 803 – Structure and Properties of Advanced Electronic Materials, Fall 2009 rganic photovoltaics rganic photovoltaics Organic photovoltaics Organic photovoltaics MS&E 803: Structure and Properties of Advanced Electronic Materials Fall 2009, Prof. Mike Arnold rof. Michael Arnold, MS&E 803 – Structure and Properties of Advanced Electronic Materials, Fall 2009 Small molecule organics: planar devices Small molecule organics: planar devices Best about 5% η IQE is internal quantum efficiency η A is efficiency of optical absorption η ED is efficiency of exciton diffusion η CT is efficiency of charge transfer η CC is efficiency of charge collection Both η ED and η CC should increase with increasing lectronic mobility η I E = η A η ED η CT η CC electronic mobility rof. Michael Arnold, MS&E 803 – Structure and Properties of Advanced Electronic Materials, Fall 2009 Polymers: blended devices Polymers: blended devices...
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This note was uploaded on 03/23/2010 for the course MATERIAL S 803 taught by Professor Samuel during the Spring '10 term at University of Wisconsin.

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Topic 16 - Efficiency of org PV - xcitons in organics...

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