Dr. Xiaoyu Jia


Molecular Spectroscopy Department

Max Planck Institute for Polymer Research

Ackermannweg 10

55128 Mainz, Germany

Tel: +49 (0) 6131 379-591



My current research exists in ultrafast charge carrier dynamics in graphene. The photoresponse of graphene occurs in the picosecond (10-12 s) time scale, which provides an opportunity to apply graphene in high-speed data communication applications. [refer to: Graphene Flagship] I employ the femtosecond (10-15 s) time-resolved terahertz (THz) spectroscopy to investigate charge carrier phenomena at the nanoscale. [refer to: Ulbricht, R., et al Rev. Mod. Phys. 83, 543–586 (2011)] My PhD project offers a fundamental understanding to implement graphene into prospective optoelectronics, such as photodetector for imaging, light-emitting diode (LED) for next-generation display, and antenna for Wi-Fi receivers and related high-speed data communication devices.

More generally, I have broadened interests and experiences in: I. Understanding fundamental charge carrier dynamics of optoelectronic materials; II. Manipulating functional properties and characterization of two-dimensional (2D) materials (graphene and related materials); III. Exploring production technologies and unique features of novel semiconductor materials, towards electronic and optoelectronic applications; IV. Implementing mathematical, digital, and computational methods to solve semiconductor-related problems.


PhD researcher, enrolled at the University of Amsterdam (UvA)

Jul. 2018 - Jun. 2021

Supervisor: Prof. Dr. Mischa Bonn (Co-supervisors: Dr. Hai I. Wang, Dr. Klaas-Jan Tielrooij)

Max Planck Institute for Polymer Research, Mainz

Bachelor in physics

Sep. 2011 - Jun. 2015​

The National Base for Talents in Physics

School of Physics, Shandong University, Shandong


10. Xiaoyu Jia, PhD Thesis "Controlling hot carriers in photoexcited graphene" UvA-DARE (Digital Academic Repository) 2021

9. Eva A. A. Pogna, Xiaoyu Jia, Alessandro Principi, Alexander Block, Luca Banszerus, Jincan Zhang, Xiaoting Liu, Thibault Sohier, Stiven Forti, Karuppasamy Soundarapandian, Bernat Terrés, Jake D. Mehew, Chiara Trovatello, Camilla Coletti, Frank H.L. Koppens, Mischa Bonn, Niek van Hulst, Matthieu J. Verstraete, Hailin Peng, Zhongfan Liu, Christoph Stampfer, Giulio Cerullo, and Klaas-Jan Tielrooij* "Hot-Carrier Cooling in High-Quality Graphene is Intrinsically Limited by Optical Phonons" ACS Nano 2021, 2021, 15, 7, 11285–11295

8. Haibing Xie, Zaiwei Wang, Zehua Chen, Carlos Pereyra, Mike Pols, Krzysztof Gałkowski, Miguel Anaya, Shuai Fu, Xiaoyu Jia, Pengyi Tang, Dominik Józef Kubicki, Anand Agarwalla, Hui-Seon Kim, Daniel Prochowicz, Xavier Borrisé, Mischa Bonn, Chunxiong Bao, Xiaoxiao Sun, Shaik Mohammed Zakeeruddin, Lyndon Emsley, Jordi Arbiol, Feng Gao, Fan Fu, Hai I. Wang, Klaas-Jan Tielrooij, Samuel D. Stranks, Shuxia Tao, Michael Grätzel, Anders Hagfeldt*, and Monica Lira-Cantu* "Decoupling the Effects of Defects on Efficiency and Stability through Phosphonates in Stable Halide Perovskite Solar Cells" Joule 5, 1246-1266.

7. Shuai Fu, Indy du Fossé, Xiaoyu Jia, Jingyin Xu, Xiaoqing Yu, Heng Zhang, Wenhao Zheng, Sven Krasel, Zongping Chen, Zhiming M. Wang, Klaas-Jan Tielrooij, Mischa Bonn, Arjan J. Houtepen, and Hai I. Wang* "Long-Lived Charge Separation Following Pump-Energy Dependent Ultrafast Charge Transfer in Graphene/WS2" Science Advances 2021, 7 (9), eabd9061.

6. Jan-Christoph Deinert, David Alcaraz Iranzo, Raul Perez, Xiaoyu Jia, Hassan A. Hafez, Igor Ilyakov, Nilesh Awari, Min Chen, Mohammed Bawatna, Alexey N. Ponomaryov, Semyon Germanskiy, Mischa Bonn, Frank H.L. Koppens, Dmitry Turchinovich, Michael Gensch, Sergey Kovalev*, and Klaas-Jan Tielrooij* "Grating-graphene metamaterial as a platform for terahertz nonlinear photonics" ACS Nano 2021, 15, 1, 1145-1154.

5. Weixiang Ye, Katja Krüger, Ana Sánchez-Iglesias, Isabel García, Xiaoyu Jia, Johannes Sutter, Sirin Celiksoy, Benjamin Foerster, Luis M. Liz-Marzán, Rubén Ahijado-Guzmán, and Carsten Sönnichsen* "CTAB Stabilizes Silver on Gold Nanorods" Chem. Mater. 2020, 32, 4, 1650-1656.

4. Xiaoyu Jia, Min Hu, Karuppasamy Soundarapandian, Xiaoqing Yu, Zhaoyang Liu, Zongping Chen, Akimitsu Narita, Klaus Müllen, Frank H. L. Koppens, Jun Jiang, Klaas-Jan Tielrooij, Mischa Bonn, and Hai I. Wang* "Kinetic Ionic Permeation and Interfacial Doping of Supported Graphene" Nano Letters 2019, 19, 12, 9029-9036.

3. T. P. Ying, M. X. Wang, X. X. Wu, Z. Y. Zhao, Z. Z. Zhang, B. Q. Song, Y. C. Li, B. Lei, Q. Li, Y. Yu, E. J. Cheng, Z. H. An, Y. Zhang, X. Y. Jia, W. Yang, X. H. Chen*, and S. Y. Li* "Discrete Superconducting Phases in FeSe-Derived Superconductors" Physical Review Letters 2018, 121 (20), 207003.

2. Xiaoyu Jia, Yunjie Yu, Xu Chen, Jiangang Guo, Tianping Ying, Lanpo He, Xiaolong Chen, and Shiyan Li* "Nodeless superconductivity in a quasi-two-dimensional superconductor AuTe2Se4/3" Chinese Physics B 2018, 27 (6), 67401–067401.

1. J. G. Guo*, X. Chen, X. Y. Jia, Q. H. Zhang, N. Liu, H. C. Lei, S. Y. Li, L. Gu, S. F. Jin, and X. L. Chen* "Quasi-Two-Dimensional Superconductivity from Dimerization of Atomically Ordered AuTe2Se4/3 Cubes" Nature Communications 2017, 8 (1), 871.

Patent - Maokui Li*, Xiaoyu Jia, Yongqing Cai, Weiyi Yan, Jian Wang, Jia Yang "Acceleration sensing gesture operating system and operating method" Jun. 2014 CN103744427 (B) (Granted on Aug. 2016).

* indicates corresponding authors

Oral presentations

May. 2021 - Invited talk, SPb-POEM 2021 Hybrid Online-Onsite Conference, Saint Petersburg

Nov. 2020 - IRMMW-THz 2020 Virtual Conference

Oct. 2020 - Graphene2020 Online

Apr. 2020 - Invited talk, SPb-Poem online conference, Saint Petersburg Academic University

Feb. 2020 - Graphene for US, New York

Oct. 2019 - Nanotechnology 2019, Osaka

Jun. 2019 - MAINZ Student Seminar, Strasbourg

Apr. 2019 - French-German THz Conference, Kaiserslautern