English|中文
Wei Ji

Degree:Ph. D.

Group: 

Office:

Email:phyjiwei@nus.edu.sg

Phone:

Webpage: http://www.physics.nus.edu.sg/staff/jiwei.html

 
Research areas/interests

Optoelectronic, light emitting and nonlinear optical characteristics of novel nano-scale materials such as semiconductor quantum dots, carbon nanotubes, graphene and other two-dimensional materials

Brief Biography

B.Sc. in Physics, Fudan University, Shanghai, China (1982); 

M.Sc. in Optoelectronics and  Laser Devices, Heriot-Watt University,Edinburgh, UK (1984); 

Ph.D. in Physics, Heriot-Watt University, Edinburgh, UK (1986); 

Research Associate, Heriot-Watt University, Edinburgh, UK (1987-1990); 

Lecturer, Senior Lecturer, Associate Professor, and Professor, National University of Singapore (1991 to date) 

Current Projects

"Ultrathin nanosheets for photoemission, photodetection and photovoltaic" Ministry of Education (Tier 1), Singapore Government, Singapore 

Selective publications

Wang T,  Nalla V, Gosciniak J, Cui YJ, Qian GD, Ji W, and Tan DTH "Multi-photon absorption and third-order nonlinearity in silicon at mid-infrared wavelengths", OPTICS EXPRESS 21, 32192 (2013)

 

Yang HZ, Feng XB, Wang Q, Huang H, Chen W, Wee ATS, and  Ji W ""Giant two-photon absorption in bilayer graphene", NANO LETTERS 11, 2622 (2011)

 

Gu B, Wang HT, and Ji W "Z-scan technique for investigation of the noninstantaneous optical Kerr nonlinearity", OPTICS LETTERS 34, 2769 (2009)

 

Elim HI, Ji W, Yang J, and Lee JY "Intensity-dependent enhancement of saturable absorption in PbS-Au-4 nanohybrid composites: Evidence for resonant energy transfer by Auger recombination" APPLIED PHYSICS LETTERS 92, 251106 (2008)

 

Pan H, Chen WZ, Feng YP, Ji W, and Lin JY "Optical limiting properties of metal nanowires", APPLIED PHYSICS LETTERS 88, 223106 (2006)

 

Chen P, Wu X, Sun X, Lin J, Ji W, and Tan KL "Electronic structure and optical limiting behavior of carbon nanotubes" PHYSICAL REVIEW LETTERS 82, 2548 (1999)