Thesis
Electroactive polymers with sulfur-nitrogen backbones: characterization of novel electrochemical materials
University of Iowa
Master of Science (MS), University of Iowa
Spring 2025
DOI: 10.25820/etd.008012
Abstract
This work investigates a series of novel electroactive polymers composed exclusively of sulfur and nitrogen in their backbones. The primary aim was to explore new functional groups within inorganic electroactive polymers (EAPs) and assess their electrochemical performance relative to conventional systems. Using a three-electrode setup with polymer films dropcast onto conductive glass, six sulfur-nitrogen backbone polymers (A–F) were analyzed via cyclic voltammetry at varying scan rates (10, 20, 50, and 100 mV/s). Key properties such as redox activity, peak current behavior, ion conductivity, and capacitive characteristics were measured. The study demonstrates the versatility of sulfur-nitrogen backbones in supporting electrochemical activity and highlights their potential for future energy storage and sensing applications. Ongoing work will explore colorimetric changes under applied potential and performance in four-terminal sensing configurations to refine conductivity measurements.
Details
- Title: Subtitle
- Electroactive polymers with sulfur-nitrogen backbones: characterization of novel electrochemical materials
- Creators
- Bryce Hunter Shoberg
- Contributors
- Johna Leddy (Advisor)Edward Gillan (Committee Member)Syed Mubeen (Committee Member)
- Resource Type
- Thesis
- Degree Awarded
- Master of Science (MS), University of Iowa
- Degree in
- Chemistry
- Date degree season
- Spring 2025
- DOI
- 10.25820/etd.008012
- Publisher
- University of Iowa
- Number of pages
- ix, 49 pages
- Copyright
- Copyright 2025 Bryce Hunter Shoberg
- Language
- English
- Date submitted
- 04/29/2025
- Description illustrations
- illustrations (some color)
- Description bibliographic
- Includes bibliographical references (page 49).
- Public Abstract (ETD)
This research explores a new type of material made from just two elements — sulfur and nitrogen — arranged in long, chain-like structures called polymers. These materials are designed to carry electrical charges, making them potentially useful for things like batteries, sensors, or smart materials. To test how well they work, thin films of six different polymers were made and studied using electrical techniques that measure how they respond to different conditions. The results showed that these sulfur-nitrogen materials can store and transfer energy in promising ways. Future work will look at how their color changes when voltage is applied and how accurately they can measure electrical signals, which could open the door to even more exciting uses in technology.
- Academic Unit
- Chemistry
- Record Identifier
- 9984830920102771
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