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The Nature of the Excimer and Exciton States in Self-Assembled Organic Chromophore Systems

Description:

Creating sustainable and clean sources of energy is an outstanding problem of importance for the current generation of scientists to solve. Organic photovoltaics (OPVs) are a promising renewable energy source but require improvements to their architectures and better fundamental understanding of the effects of organic chromophore morphology on the resulting...

Keyword:

intermolecular orientation, anodic aluminum oxide (AAO) membranes, transient absorption spectroscopy, and self-assembled chromophores

Subject:

Organic chemistry, Physical chemistry, and Alternative energy

Creator:

Myong, Michele

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

02/02/2022

Date Created:

2021-01-01

Resource Type:

Dissertation

Alternate Identifier:

http://dissertations.umi.com/northwestern:15795 and etdadmin_upload_850989
Effects of Intermolecular Coupling on Excimer Formation and Singlet Fission

Description:

The development of organic photovoltaic devices benefits from understanding the fundamental processes underlying charge generation in thin films of organic semiconductors. This dissertation exploits model systems of π-stacked chromophores such as perylene-3,4:9,10-bis(dicarboximide) (PDI) and 3,6-bis(aryl)diketopyrrolopyrrole (DPP) to study these processes using ultrafast electronic and vibrational spectroscopy. In particular, the characterization...

Keyword:

excimers, diketopyrrolopyrrole, singlet fission, transient absorption spectroscopy, and vibrational spectroscopy

Subject:

Chemistry

Creator:

Catherine McKay Mauck

Owner:

Scholarly Digital Publishing

Date Uploaded:

01/09/2019

Date Modified:

01/09/2019

Date Created:

2017-01-01

Resource Type:

Dissertation

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The Nature of the Excimer and Exciton States in Self-Assembled Organic Chromophore Systems

Effects of Intermolecular Coupling on Excimer Formation and Singlet Fission

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