Author ORCID Identifier

https://orcid.org/0000-0001-9387-4177

Date Available

5-12-2026

Year of Publication

2025

Document Type

Doctoral Dissertation

Degree Name

Doctor of Philosophy (PhD)

College

Arts and Sciences

Department/School/Program

Chemistry

Faculty

Kenneth Graham

Abstract

Organic metal halide perovskites (HPs) are attractive materials for a variety of electronic applications due to their low cost, tunable band gaps, excellent charge transport properties, and high photoluminescence efficiency. As such, HPs are being investigated for use in solar cells, photodetectors, X-ray detectors, light emitting diodes, field effect transistors, lasers, resistive random-access memory, etc. Currently the most popular metal used in HPs is lead, but the use of lead comes with the potential for heavy metal exposure. Tin-based perovskites offer a less hazardous alternative, but their optoelectronic properties lag behind those of lead and less work has been done to characterize them. In this work, we investigate Ruddlesden-Popper Phase (RPP) tin perovskites with phenethylammonium and its derivatives to determine how the structure of the A*-site cation impacts the optical and electronic properties of tin-based perovskites. Lead-based analogues are used to confirm emergent trends.

Digital Object Identifier (DOI)

https://doi.org/10.13023/etd.2025.154

Funding Information

This work was supported by the National Science foundation( DMR-2102257 and cooperative agreement No. 1849213) and the Department of Energy, Basic Energy Sciences, (DE-SC0018208) from 2019 -2025. I was personally supported by the Department of Energy's Office of Science Graduate Student Research from 2022-2023

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Available for download on Tuesday, May 12, 2026

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