Dr. Xiang’s research interest includes:  design, modeling/simulation, and experimental demonstration of high-efficiency solar-fuel devices; opto-electronic-catalytic modeling of advanced micro/nanostructured photoelectrochemical systems; multi-ion transport modeling in solution and polymer electrolytes; investigation of fundamental energy-conversion/energy-storage properties of semiconductors and (photo)electrochemistry at semiconductor/liquid interfaces.

Dr. Xiang’s research in JCAP includes:  system modeling of CO2-reduction reaction (CO2RR) based solar-fuel devices; optoelectronic and ionic transport modeling of integrated photoelectrochemical assemblies; (photo)electrochemical coupling between oxygen-evolution reaction (OER) and CO2RR; and design, optimization, and implementation of advanced test-bed prototypes for CO2RR.


Recent Publications

Verlage, E. et al. A Monolithically Integrated, Intrinsically Safe, 10% Efficient, Solar-Driven Water-Splitting System Based on Active, Stable Earth-Abundant Electrocatalysts in Conjunction with Tandem III-V Light Absorbers Protected by Amorphous TiO2 Films. Energy & Environmental Science, DOI: 10.1039/C5EE01786F (2015).

Walczak, K. et al. Modeling, Simulation, and Fabrication of a Fully Integrated, Acid-stable, Scalable Solar-Driven Water-Splitting System. ChemSusChem 8, 544-551, DOI: 10.1002/cssc.201402896 (2015).

Chen, Y., Hu, S., Xiang, C. & Lewis, N. A Sensitivity Analysis to Assess the Relative Importance of Improvements in Electrocatalysts, Light Absorbers, and System Geometry on the Efficiency of Solar-Fuels Generators. Energy & Environmental Science, DOI: 10.1039/C4EE02314E (2014).

Jin, J. et al. An experimental and modeling/simulation-based evaluation of the efficiency and operational performance characteristics of an integrated, membrane-free, neutral pH solar-driven water-splitting system. Energy & Environmental Science 7, 3371-3380, DOI: 10.1039/c4ee01824a (2014).


Additional Information

Research Page:  http://sunlight.caltech.edu/cx/doku.php