Graphene CVD on various metal catalysts, insulators and semiconductors (e.g. GaN). Graphene transfer by electrochemical bubbling. Growth of new 2D materials and transfer. Graphene applications in optoelectronics such as GaN based LEDs, photodetectors. Graphene’s bioapplications. Vertically oriented graphene and applications.
CVD, nanofabrication (e.g. lithography), low temperature physical characterization, room temperature electronic device characterization.
Focus of future research:
- Graphene combination with traditional semiconductors. Graphene directly grown on GaN LEDs for transparent electrodes
- Mechanism of electrochemical bubbling transfer
- Graphene bioapplications in anti-bacterial coating and drug delivery
- Vertically oriented graphene grown by PECVD and applications in photonics and electronics
Highlights of previous research:
L. Liu, X. Liu, Z. Zhan, W. Guo, C. Xu, J. Deng, D. Chakarov, P. Hyldgaard, E. Schröder, A. Yurgens, J. Sun,
"A mechanism of highly efficient electrochemical bubbling delamination of CVD-grown graphene from metal substrates",
Adv. Mater. Interf. 3, 1500492 (2016)
K. Xu, C. Xu, Y. Xie, J. Deng, Y. Zhu, W. Guo, M. Xun, K. B. K. Teo, H. Chen, J. Sun
" Graphene GaN-based Schottky ultraviolet detectors "
IEEE T. Electron Devices 62, 2802 (2015)