Thin-film photovoltaics, including polymer and molecular solar cells, hybrid perovskite solar cells and transparent solar cells, printable conductive inks, processing-structure-function relationships of electrically-active plastics, macro-scale energy systems analysis of biomass-derived liquid transportation fuels

Design and programming of low-energy computing systems

The goal of research in the group of Christos Maravelias is to develop theory, models and solution algorithms for problems in the general area of Process Systems Engineering (PSE). Current projects include: (1) chemical production scheduling, planning, and supply chain optimization; (2) chemical process synthesis; and (3) energy systems modeling, optimization and analysis, with special emphasis on biomass-to-fuels/chemicals and solar fuel and power technologies.

Sustainable aviation through advanced multidisciplinary design optimization of airframes and air traffic management systems; design optimization of ship hulls for maximum efficiency; aerodynamic design optimization of wind turbines, propellers, fans, compressors and turbines; computational fluid dynamics of compressible reactive flows

Energy-efficient computer servers, including optimization frameworks for improving green energy usage in multi-data-center internet services and power-performance optimizations for improving energy-proportionality within data centers

Issues of international migration caused by environmental change

Application of queueing theory to optimize the use of individual energy storage components. Stochastic networks; dynamic optimization; dynamical systems

Analysis of air quality and climate impacts of various energy technologies (coal, gas, solar, wind) with the goal of identifying options with maximum co-benefits. Analysis of China’s energy future and options for air quality, health, and climate co-benefits. Effect of nitrogen, ozone, and water on sustainable intensification of crop production. Measurement of methane leakage from older U.S. natural gas infrastructure

Building systems design and integration; radiant heating and cooling sensors and systems; desiccant dehumidification, geothermal systems; heat pumps; renewable energy; optimization of energy systems; exergy analysis; building materials; thermodynamics and heat transfer

Attosecond science, high-­harmonic and attosecond‐pulse generation and application. High-­field physics, high-­power lasers, relativistic laser‐plasma interaction, synchrotron­‐type intense x‐ray radiation from solids, laser­‐driven particle acceleration. Ultrafast and nonlinear optics, few-­cycle optical pulse generation, optical parametric chirped pulse amplification, femtosecond laser filamentation, nonlinear fiber optics. Quantum optics, entanglement of quantum states, biphoton states in spontaneous parametric light scattering.