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Understanding Photophysics of Rylene Diimides and Tetrapyrroles in the Solid State for Enhancement of Organic Photovoltaic Performance

Description:

Organic photovoltaics offer an opportunity to make solar cells more affordable and widely accessible using cheap, solution-processable light-absorbing layers. In order to realize new technologies, a fundamental understanding of organic chromophore photophysics is required to overcome efficiency limitations. Throughout this doctoral work, I investigated the kinetic and physical characteristics of...

Keyword:

non-linear spectroscopy, charge separation, singlet fission, environmental justice, and organic photovoltaic

Subject:

Physical chemistry, Chemistry, and Energy

Creator:

Ramirez, Carolyn E.

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

09/22/2022

Date Created:

2022-01-01

Resource Type:

Dissertation

Alternate Identifier:

etdadmin_upload_916673 and http://dissertations.umi.com/northwestern:16153
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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Understanding Photophysics of Rylene Diimides and Tetrapyrroles in the Solid State for Enhancement of Organic Photovoltaic Performance

Effects of Intermolecular Coupling on Excimer Formation and Singlet Fission

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