Johnny Chimborazo, PhD.

Biography

Johnny Fabricio Chimborazo Guerrón is a physicist who earned his undergraduate degree in Physics from Escuela Politécnica Nacional, Ecuador, and his Ph.D. in Natural Sciences, with a dissertation in Physics, from the University of Vienna, Austria, in 2020. He is currently a full-time professor at Yachay Tech University, where he contributes to undergraduate and graduate teaching, research, and academic management.

His teaching experience includes Solid State Physics, Physics I and II, Nanotechnology, and the supervision of undergraduate and graduate research. At Yachay Tech, he also supports curriculum development, laboratory coordination School of Physical Sciences and Nanotechnology, and the Materials Science doctoral program. His research combines the synthesis of carbon-based and functional nanomaterials with advanced physicochemical characterization for biomedical, optoelectronic, energy, and emerging technological applications.

Summary of Research Interests

• Carbon-based nanomaterials, including carbon quantum dots, carbon nanotubes, graphene-related materials, and confined carbyne.
• Green and sustainable synthesis of nanomaterials from plant biomass and natural precursors.
• Functional thin films and nanostructured materials for biomedical, optoelectronic, energy, and technological applications.
• Advanced material characterization using atomic force microscopy, electron microscopy, Raman spectroscopy, XPS, UV-Vis, FTIR, and complementary techniques.
• Structure-property relationships in nanoscale systems and the integration of experimental characterization with materials simulation.

Current Research Projects

Development of Rubidium Modified Carbon Quantum Dots through Green Synthesis from Plant Biomass for Biomedical Applications

Director  |  Yachay Tech University  |  April 2026 to January 2028

This project investigates sustainable routes for producing rubidium-modified carbon quantum dots and evaluates their physicochemical properties and potential biomedical applications.

Synthesis Characterization and Simulation of Emerging Materials for Sustainable Optoelectronic Technologies

Co-Director  |  Yachay Tech University  |  April 2026 to January 2028

The project studies emerging nanostructured materials through synthesis, advanced characterization, and simulation, with emphasis on sustainable optoelectronic and energy-related technologies.

Synthesis of Sputter Deposited Thin Film Materials for Energy and Technological Devices

Researcher  |  Yachay Tech University  |  November 2024 to October 2026

This research focuses on the preparation and characterization of functional thin films deposited by sputtering for implementation in energy and technology-oriented devices.

Selected Publications

The following publications highlight contributions to carbon nanomaterials, functional thin films, nanobiotechnology, and nanoscale materials characterization.