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Meeting MS&T21: Materials Science & Technology
Symposium 2021 Undergraduate Student Poster Contest
Presentation Title Perovskite Film Formation for Solar Cell Absorbers: Effects of Substrate Modification
Author(s) Mirra M. Rasmussen, Kyle M. Crowley, Ina T. Martin
On-Site Speaker (Planned) Mirra M. Rasmussen
Abstract Scope As perovskite solar cell efficiencies have risen rapidly, practical constraints have made durability a critical concern. Whereas much attention has been paid to the development of the perovskite absorber layer, the charge transport layers can also be engineered to better the performance and stability of the device. This work uses the molecular modifier bromopropyltrimethoxysilane (BPTMS) to alter the interface between indium tin oxide (ITO, a common thin film solar cell transparent electrode) and methylammonium lead iodide (MAPbI3, a common perovskite absorber) to improve the morphology and stability of the perovskite absorber film. The substrate, molecular modifier, and perovskite film were characterized via contact angle measurements, spectroscopic ellipsometry, and scanning electron microscopy. It was determined that the absorber film morphology and stability of the stack are sensitive to both the underlying substrate and the BPTMS.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Composition and Physicochemical Properties of Typical Waste Cooking Oil
Effect of Carbon Stoichiometry on the Heat of Formation of Hafnium Carbides
Effect of Modifier Cation Size on the Bulk Structure and Nickel Speciation in Alkali Borosilicate Glasses
Electron Cloud Migration Effect-induced Lithiophobicity/Lithiophilicity Transformation for Dendrite-free Lithium Metal Anodes
Enhanced Mechanical Properties in a 4140 Steel by "In-House" Intensive Quench
Experiential Study on Critical Stress Intensity Factor of Carbon Nanotube Filled Epoxy
Exploring the Liquid Phase Exfoliation of Two-Dimensional Bilayered Vanadium Oxide in Aqueous Media for Li ion Batteries
High Temperature Mechanical Properties of TiB2-WC-SiC Materials
Highly Crystallized Prussian Blue with Enhanced Kinetics for Highly Efficient Sodium Storage
Investigation of Embedded Metallic Components on 3D Printed Ceramic Structures
Machine Learning Approaches to Predict Properties from Microstructure Images in Ceramic-Metal Composites
Mechanical Behavior of Automotive Structural Steels in the Vicinity of the Ductile-brittle Transition
Mechanical Property Assessment of Silicon Carbide Fiber-reinforced Epoxy-matrix Composites
Optimal Integration of TiO2-Coated Gold Nanostars for Enhancement of Photocatalytic Water Reduction
Perovskite Film Formation for Solar Cell Absorbers: Effects of Substrate Modification
Pressure Optimization of Fast-Moving Silicon MEMS Micromirrors
Processing and Properties of (Ta, Nb, Hf, Ti)C
Rheological Characterization of Highly Loaded Alumina-Polymer Suspension for Thermal Paste 3D Printing
The Dynamic Performance of Wearable Sensors with Flexible Silver Ink
The Mechanisms of Micro-fine Titanaugite Enter to Ilmenite in the Flotation and Depression Behavior of Sodium Silicate
Thermal Analysis of Sodalite-immobilized Iodine-129 Caustic Scrubber Slurry
ZrB2 Aqueous Slurry Development for DIW Additive Manufacturing

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