Charge Photogeneration in Hybrid Inorganic Nanocrystal - Polymer Solar Cells
Luke Reynolds a, Saif Haque a
a Imperial College London, South Kensington, London,, United Kingdom
Oral, Luke Reynolds, presentation 013
Publication date: 1st April 2013

 

Hybrid solar cells comprising both inorganic and organic semiconductor materials are emerging as a promising power generation technology. This stems primarily from the possibility of designing devices that take advantage of the versatility and processability of organic materials, coupled with the superior electronic properties of inorganic semiconductors. The design of efficient hybrid inorganic-organic solar cells critically depends upon the ability to control charge photogeneration yield and lifetime at the donor-acceptor heterojunction. In this talk I will present some of our recent work aimed at bettering the understanding of the mechanisms of charge photogeneration in inorganic-organic heterojunction solar cells. In particular, the influence of key parameters such as interfacial energetics and film microstructure on charge photogeneration is considered. However, this inevitably requires nanoscale-control of both materials and interface architecture. As such, in this talk I will also report some of our recent work focussing on the in-situ growth of inorganic nanoparticle networks directly within other active components as a means to modulate the interfacial structure and properties in hybrid nanocomposite films. A key aim of this work is to develop quantitative structure-function relationships that can be used to guide the design of hybrid heterojunctions for high performance solar cells.



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