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Nick Xiao

Researcher III-Materials Science

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Chuanxiao ‘Nick’ Xiao is a staff scientist in the Analytical Microscopy and Imaging Science group of the Materials Science Center. He received his bachelor's degree in physics from Sun Yat-sen University,  master's degree in physics from the University of Toledo, and his doctorate in materials science from Colorado School of Mines. His primary field is advanced microscopy characterization and device physics of photovoltaics. He has experience in scanning probe microscopy and related technique development.

Research Interests

Nanometer-scale electrical characterization of solar cell materials and devices

Novel technique development, including in-situ and operando scanning probe microscopy, and transport imaging

Fundamental mechanism of photovoltaic degradation


Ph.D., Materials Science, Colorado School of Mines

M.S., Physics, the University of Toledo

B.S., Physics, Sun Yat-sen University

Featured Work

SMART Perovskite Growth: Enabling a Larger Range of Process Conditions, ACS Energy Letters (2021)

Perovskite Quantum Dot Solar Cells: Mapping Interfacial Energies for Improving Charge Separation, Nano Energy (2020)

Microscopy Imaging of Nonuniform Carrier Transport in Polycrystalline Cadmium Telluride, Cell Reports Physical Science (2020)

Failure Analysis of Field-Failed Bypass Diodes, Progress in Photovoltaics: Research and Applications (2020)

Inhomogeneous Doping of Perovskite Materials by Dopants from Hole-Transport Layer, Matter (2020)

Large-Area Material and Junction Damage in c-Si Solar Cells by Potential-Induced Degradation, Solar RRL (2019)

Junction Quality of SnO2-Based Perovskite Solar Cells Investigated by Nanometer-Scale Electrical Potential Profiling, ACS Appl. Mater. Interfaces (2017)

Mechanisms of Electron-Beam-Induced Damage in Perovskite Thin Films Revealed by Cathodoluminescence Spectroscopy, J. Phys. Chem. C (2015)

Efficient Tandem Solar Cells with Solution-Processed Perovskite on Textured Crystalline Silicon, Science (2020)

Spin Dependent Charge Transport through Chiral Perovskite 2D Layered Thin Films, Science Advance (2019)