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Description:: Two-dimensional (2D) hybrid halide perovskites have been the response to their exciting but woefully unstable 3D counterparts. These 2D perovskites have been shown to have respectable stabilities as photovoltaic absorbers, yet they lag behind the 3D perovskites in terms of efficiency. With the need to catch up to the efficiencies...
Keyword:: solar cells, perovskites, films, GIWAXS, materials, and mechanisms
Subject:: Chemistry and Materials Science
Creator:: Hoffman, Justin Michael
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 10/07/2021
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15609 and etdadmin_upload_827302

Description:: Organic semiconductors are an active area of research with great promise for delivering next generation electronics and clean energy technologies. As the field matures, understanding the connection between molecular structure, materials’ properties, and device performance will be critical in finding the right material for an intended application. An effective strategy...
Keyword:: solar cells, diketopyrrolopyrrole, transistors, organic semiconductors, polymers, and fluorination
Subject:: Chemistry and Materials Science
Creator:: Leonardi, Matthew John
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2019-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_660666 and http://dissertations.umi.com/northwestern:14589

Description:: Three-dimensional (3D) and two-dimensional (2D) hybrid halide perovskites have emerged as front-runners in solar energy conversion applications with the potential to provide low-cost renewable energy. Being at the interface of chemistry, physics, materials science, and electrical engineering, the field of perovskite solar cells has become a top area of interest...
Keyword:: solar cells and perovskite
Subject:: Chemistry
Creator:: Chan Myae Myae
Owner:: Scholarly Digital Publishing
Date Uploaded:: 10/28/2018
Date Modified:: 01/29/2019
Date Created:: 2017-01-01
Resource Type:: Dissertation

Description:: Halide perovskites, AMX3 (A = monocation, B = Ge, Sn, or Pb, and X = halogen), present a versatile class of solution-processable semiconductors made from earth abundant materials with outstanding electrical and optical properties. Their solar cell efficiencies have dramatically increased from ~9% to ~22% in less than five years...
Keyword:: solar cells, semiconductors, halide perovskites, and two-dimensional
Subject:: Chemistry
Creator:: Duyen Hanh Cao
Owner:: Scholarly Digital Publishing
Date Uploaded:: 04/02/2018
Date Modified:: 04/02/2018
Date Created:: 2017-01-01
Resource Type:: Dissertation

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