Materials Science

Organic devices – a solution to today’s energy challenge?
Yueh-Lin (Lynn) Loo, Chemical Engineering, Princeton University

This session explores organic semiconductor devices as part of the solution to the global energy challenge we face today. Organics devices can be light-weight and mechanically flexible; they have a wide range of form factors and can potentially be manufactured at costs that are a fraction of their inorganic counterparts. More importantly, the electrical and physical properties of organic electrically active materials can be easily tuned through chemical derivatization and functionalization of the molecules, making these materials versatile platforms for electronic devices.

The first talk in this session will focus on light harvesting devices based on organic-inorganic hybrid photoactive layers. By combining inorganics with organics, Prof. Chen hopes to exploit the best of both worlds: inorganic electron acceptors provide high electron mobilities that organics typically lack while the use of organic electron donors can dramatically enhance processing. Prof. Chen’s lecture will specifically focus on the fabrication of such organic-inorganic hybrid photoactive layers with ordered nanostructures. The second talk, given by Prof. Shtein, will focus on organic devices – both light harvesting organic solar cells as well as organic light emitting diodes for white lighting – fabricated on unconventional substrates, such as textiles and fibers. Prof. Shtein will allude to the technical and engineering challenges associated with making such devices.

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Materials Science

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