Summary
Zemin currently is a Young Researcher at Lanzhou University. Zemin’s research interests include the fundamental optoelectronic and transport characteristics of transition metal oxide semiconductors as well as the development of new photoanode and photocathodes based on abundant elements for solar fuels production through high-throughput method.
Research Techniques
Zemin is skilled at synthesis of semiconductor films or nanostructures by using various techniques such as: reactive-sputtering, spin-coating, hydrothermal and chemical vapor deposition methods. He focuses on understanding the optoelectronic properties of semiconductors by combining theoretical and experimental methods including advanced X-ray techniques, time-resolved spectroscopies, Kelvin probe, and so on.
Selected Publications
- Fermi Level Engineering of Passivation and Electron Transport Materials for p‐Type CuBi2O4 Employing a High‐Throughput Methodology
- Beneficial CuO Phase Segregation in the Ternary p‐Type Oxide Photocathode CuBi2O4
- Improved photoelectrocatalytic hydrogen generation through BiVO4 quantum-dots loaded on nano-structured SnO2 and modified with carbon quantum-dots
- Significantly improved charge collection and interface injection in 3D BiVO4 based multilayered core–shell nanowire photocatalysts
- Enhanced Charge Separation and Transfer through Fe2O3/ITO Nanowire Arrays Wrapped with Reduced Graphene Oxide for Water Splitting
- Toward Efficient Photoelectrochemical Water-Splitting by Using Screw-Like Sno2 Nanostructures as Photoanode after Being Decorated with Cds Quantum Dots
- Synthesis of Cadmium Sulfide Quantum Dot-Decorated Barium Stannate Nanowires for Photoelectrochemical Water Splitting
Professional Experiences
Young Researcher – School of Physical Science and Technology, Lanzhou University
(2015 – Present)
Research Program: Strained electric filed enhanced carrier dynamics in metal oxide semiconductors.
Graduate Student Research Affiliate – Joint Center for Artificial Photosynthesis – Lawrence Berkeley National Laboratory
(2017 – 2019)
Project: Prepared bimetallic oxide (CuBi2O4 and CuFeO2) semiconductors in large scale by spin-coating and reactive co-sputtering. Investigated the fundamental electronic structure and photocarrier properties of semiconductors by X-Ray techniques and time-resolved transient absorption spectroscopy.
Graduate Student – School of Physical Science and Technology, Lanzhou University
(2014 – 2017)
Project: Construction of single/poly crystal semiconductor nanowires and semiconductor quantum dots for photoelectrochemical (PEC) devices, such as dye sensitized solar cell and PEC water splitting devices. Design and synthesis of semiconductors core/shell structure for enhanced charge separation on solid-liquid interfaces.
Education
Lanzhou University, China
PhD Condensed Matter Physics – 2019
Advisor: Prof. Erqing Xie, Weihua Han
Lawrence Berkeley National Laboratory, CA, USA
PhD candidate – 2017
Advisor: Dr. Jason K. Cooper
Lanzhou University, China
BS in Microelectronics – 2014
Cooper Lab 