29 Feb '16, 6am

New molecular property may mean more efficient solar and opto-electronic devices

Chemists and polymer scientists collaborating at the University of Massachusetts Amherst report in Nature Communications this week that they have for the first time identified an unexpected property in an organic semiconductor molecule that could lead to more efficient and cost-effective materials for use in cell phone and laptop displays, for example, and in opto-electronic devices such as lasers, light-emitting diodes and fiber optic communications. Physical chemist Michael Barnes and polymer scientist Alejandro Briseno, with doctoral students Sarah Marques, Hilary Thompson, Nicholas Colella and postdoctoral researcher Joelle Labastide, discovered the property, directional intrinsic charge separation, in crystalline nanowires of an organic semiconductor known as 7,8,15,16-tetraazaterrylene (TAT). The researchers saw not only efficient separation of charges in TAT, but a ...

Full article: http://www.solardaily.com/reports/New_molecular_property_...

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