7 papers
GaN Power Devices and Converter Architectures for AI Data Centers: Efficiency, Reliability, and Deployment Pathways
Donald Intal, Abasifreke Ebong
The growth of artificial-intelligence workloads is increasing the electrical and thermal demands on data-center power-delivery systems, making conversion efficiency, power density,…
Laser-Enhanced Contact Optimization in Silicon Photovoltaics: Mechanisms, Reliability, and Predictive Process Design
Donald Intal, Abasifreke U. Ebong
Laser-enhanced contact optimization (LECO) has emerged as an important method for simultaneously reducing contact resistivity and metallization-induced recombination in advanced cr…
From Knowledge to Action: Outcomes of the 2025 Large Language Model (LLM) Hackathon for Applications in Materials Science and Chemistry
Aritra Roy, Kevin Shen, Andrew MacBride +350
Large language models (LLMs) are rapidly changing how researchers in materials science and chemistry discover, organize, and act on scientific knowledge. This paper analyzes a broa…
Mitigating the contact resistance limitation of cavitated fine line Ag paste by Laser-Enhanced Contact Optimization
Donald Intal, Abasifreke Ebong, Vijay Upadhyaya +4
Cavitation-assisted Ag paste is a promising route for fine-line, low-silver metallization in silicon solar cells because it improves paste dispersion, extends shelf life, and reduc…
Neutralization of the impact of belt speed on screen printed copper metallization by LECO on PERC homogeneous emitter
Abasifreke Ebong, Donald Intal, Sandra Huneycutt +6
Copper fire-through metallization is a cost-effective alternative to Ag counterpart for industrial high efficiency solar cells. The fire through dielectric metallization relies on…
Critical look at the atmospheric Cu fire-through dielectric metallization for cost-effective and high efficiency silicon solar cells
Donald Intal, Sandra Huneycutt, Abasifreke Ebong +6
The formation of stable copper-silicide (Cu3Si) interfaces is crucial for cost-effective, high-efficiency solar cells. However, copper's diffusivity and electromigration issues pos…