Department of Arts & Science, Shanghai Dianji University, Shanghai 200240, China;
Institute of Photonics & Photon-Technology, and Provincial Key Laboratory of Photoelectronic Technology, Northwest University, Xi'an 710069, China;
Shaanxi Yulin College, Yulin 719000, China;
Institute of Photonics & Photon-Technology,and Provincial Key Laboratory of Photoelectronic Technology, Northwest University, Xi'an 710069, China;
Institute of Photonics & Photon-Technology,and Provincial Key Laboratory of Photoelectronic Technology, Northwest University, Xi'an 710069, China;
State Key Laboratory of Transient Optics & Photonics, Xi'an Institute of Optics and Precision Mechanics, China;
multiwalled carbon nanotubes; photoluminescence; excitation;