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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
Defect engineering for more reliable and efficient PbTe-based thermoelectric materials

Description:

Thermoelectric devices utilize semiconducting n-type and p-type thermoelectric materials to convert heat into electricity. Despite their promise for deep space power generation or waste heat recovery, most high-performing thermoelectric materials reported in literature are absent in practical applications - partially due to inconsistent synthesis and poor mechanical performance. This work...

Keyword:

Thermoelectrics, Doping, Phase Equilibrium, Defects, Mechanical Properties, and Semiconductors

Subject:

Physical chemistry, Materials Science, and Energy

Creator:

Male, James Patrick

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

06/22/2022

Date Created:

2022-01-01

Resource Type:

Dissertation

Alternate Identifier:

etdadmin_upload_879755 and http://dissertations.umi.com/northwestern:15943

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

Defect engineering for more reliable and efficient PbTe-based thermoelectric materials

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