Professor Cesar E. Perez Villegas investigates the electronic and optical properties of materials via first-principles simulations and data-driven analysis. His work focuses on understanding excited-state phenomena in novel materials for energy storage and optoelectronic applications.
Below you will find a summary of the skills adquired through the years.
I work on computational condensed matter physics, with particular interest in quasiparticle, excitonic, and optical properties of materials using first-principles methods.
Beyond research, I develop scripts and tools to analyze complex datasets, automate repetitive tasks, and streamline decision-making workflows.
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A summary of research profile and current research proyects.
Below you can find a brief list of the main research projects
My work explores novel materials for energy harvesting via computational modeling approaches, with the goal of understanding energy conversion processes and improving device performance.
We employ computational modeling approaches to design and characterize the optical properties of thin films, atom-thick materials and nanostructures. By predicting their dielectric response, we are able to propose materials with enhanced performance for next-generation optoelectronics devices.
First-principles approaches, including density functional theory and many-body perturbation techniques, allow for accurate calculations of electronic structure and excited-state properties at the nanoscale. These methods provide detailed understanding of band dispersion, quasiparticle energies, and optical excitations, forming the basis for predicting and engineering material behavior.
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Ongoing work involving first-principles calculations, analysis scripts, plotting workflows, and interpretation of excited-state properties in advanced materials.
Experience combining scientific reasoning with coding, building a profile that bridges theory, computation, and applied digital tools.
Thank you for your interest. Please feel free to contact me through any of the channels below.
For collaborations, research discussions, or professional opportunities.
cesar.perez@upn.edu.peAdd the platforms that matter most for your public profile.