Understanding the mechanism and exploring the optimization strategies for organic solar cells.

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Bibliographic Details
Author / Creator:	Lu, Luyao.
Imprint:	2015.
Description:	183 p.
Language:	English
Format:	E-Resource Dissertations
Local Note:	School code: 0330.
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/10168500

Hidden Bibliographic Details
Other authors / contributors:	University of Chicago.
ISBN:	9781321645576
Notes:	Advisor: Luping Yu. Thesis (Ph.D.)--The University of Chicago, Division of the Physical Sciences, Department of Chemistry, 2015. Dissertation Abstracts International, Volume: 76-08(E), Section: B.
Summary:	Both structure-property relationship and device innovation methods are studied to achieve high performance polymer solar cells. The dipole and dispersity changes of polymers play important roles in determining high solar cell performance due to different internal polarization strength with dipole changes and existence of homo coupling defects in high dispersity samples. Cooperative plasmonic effect is demonstrated to be an effective strategy to improve light absorption in the absorption region of binary solar cell devices and the absorption range could be further extended with ternary blend solar cells. Power conversion efficiencies have reached >8% in plasmonic devices and >9% in ternary blend devices. Integrating carbon nanotubes into active layer could largely increase charge separation and transport efficiencies and interfacial energy level alignment is also shown to be crucial for effective charge transport and formation of Ohmic contact at the interface.

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