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澳大利亚莫纳什大学Chris McNeil教授学术报告
 添加时间:2017/09/11 发布: 管理员
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报告时间:911日(周一)9:00
报告地点:科技创新大楼C501
报告题目:Nanostructure of polymer solar cells: Importance of domain size and purity

Nanostructure of polymer solar cells: Importance of domain size and purity

Abstract: In this talk I will discuss the use of resonant soft X-ray scattering to reveal the nanoscale domain structure of efficient polymer/fullerene solar cells. Polymer/fullerene solar cells are based on donor/acceptor blends of conjugated polymer (donor) and functionalised fullerene (acceptor). Optimisation of the domain size and purity on the nanometre length scale is critical, however there are few experimental techniques that have the chemical sensitivity and spatial resolution necessary to properly characterise such structure in organic thin films. Resonant soft X-ray scattering has emerged as an important new technique, with enhanced sensitivity and the ability to measure domain structure down to 10 nm. This allows for characterisation of not only domain size, but also domain purity, enabling the effects of domain size and purity on solar cell performance to be evaluated.


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