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Meeting MS&T23: Materials Science & Technology
Symposium Hybrid Organic-inorganic Materials for Alternative Energy
Presentation Title Two-dimensional Material Additives in Hybrid Perovskite Solar Cells for Improving Performance and Stability
Author(s) Chang-Yong Nam
On-Site Speaker (Planned) Chang-Yong Nam
Abstract Scope Hybrid perovskites solar cells have achieved impressive photovoltaic power conversion efficiency exceeding 25%, but there are critical issues for realizing their practical application, including device operational stability under light and elevated temperature. In this talk, I will introduce our recent research efforts on utilizing two-dimensional (2D) materials, including 2D boron nitrides, as additives in hybrid perovskite solar cells. The results demonstrate remarkably improved device stability and power conversion efficiency, which are primarily attributed to an increased crystallization kinetics by 2D boron nitrides, which leads to enlarged grain size and reduced grain boundary areas, as confirmed by in-situ synchrotron X-ray scattering during the perovskite-forming thermal annealing step. I will also briefly discuss 2D MoS2 additive that similarly impart improved hybrid solar cell performance and stability.


2D Double-Transition Metal Carbides (MXenes) for Hydrogen Evolution Reaction
A Universal Synthesis Strategy for Tuneable Metal-organic Framework Nanohybrid
Biomolecular Engineering for Electrochemical Applications in Fuel Cells/Electrolyzers and Beyond
Coarse-Grained Simulations of Polymer-Grafted Nanoparticle Monolayers
Exfoliated Ceramics for Catalytic Applications
Hybrid Materials Based on Carbon Nanotube – Copper
Potassium-based Batteries: Advantages and Challenges
Self-healing Engineered Multilayers Coatings for Protection of Magnesium Alloy AZ31B
Static and Dynamic Mechanical Characteristics of Li-Ion Conducting Polymer/Ceramic Composite Membranes
Tuned Wettability of Sol-gel Hybrid Coatings for Humid Air and Saturated Vapor Condensation
Two-dimensional Material Additives in Hybrid Perovskite Solar Cells for Improving Performance and Stability
Two-dimensional Transition Metal Carbo-Chalcogenides, MXenes, and their Hybrids for Electrochemical Energy Storage and Conversion

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