Sept. 2010– present,

Professor,supervisor of PhD candidates

Institute of Photonics & Photon-Technology/Department of Physics, Northwest University

July 2005 –Aug. 2010

Associate professor, supervisor of PhD candidate

Wuhan National Laboratory for Opto-electronics

Sept. 2008 – Aug.2009

Research professor,

Department of physics, Pukyong National University,Busan, 608-737, Korea

July, 2004- July, 2005

Postdoctoral research

Department of Electrical & Electronic Engineering,University of Hong Kong,

Sept., 2001 -2004, 6

Ph. D Candidate in Inorganic Materials Chemistry

School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou, 510275, China

Research Fields:

1. Rare earth doped luminescent materials for display devices.

2. Inorganic Solid state electrolyte materials used for Li ion battery, SOFC and so on.

3. Fluorescent nanoparticles used in Solar Cells and labeling biological cells.

4. Nano-sized materials and its application

Prof. Guo has taken charge of many projects, such asNational Natural Science Foundation of China, Ph.D. Programs Foundation of Ministry of Education of China,Program 973, 863 and so on. Up to now, he has published over 60 papers embodied by SCI as the first author or corresponding author and filed 6 national invention patents.

Recent Publications：

1) Chongfeng Guo,Heng Jing, Ting Li, “Green-emitting phosphorNa₂Gd₂B₂O₇:Ce³⁺, Tb³⁺for near-UV LEDs”RSC advances,2012，2：2119-2122

2）Chongfeng Guo, Yan Xu, Zhaoyu Ren, Jintao Bai “Blue-white-yellow tunable emission from Ce³⁺and Eu²⁺co-doped BaSiO₃phosphors”J. Electrochem. Society 2011, 158(12):J373-376(IF=2.42)

3）Chongfeng Guo, Jie Yu, Xu Ding, Ming Li, Zhaoyu Ren, Jintao Bai “A dual-emission phosphor LiCaBO₃: Ce³⁺, Mn²⁺with energy transfer for near-UV LEDs”J. Electrochem. Society 2011, 158(2):J42-4(IF=2.42,他引次数：6)

4)Chongfeng Guo, Xu Ding, Lin Luan, Yan Xu “Two-color emitting of Eu²⁺and Mn²⁺co-doped Sr₂Mg₃P₄O₁₅for UV LEDs”Sensors and Actuators B 2010, 143:712-715(IF=2.42,他引次数：10)

5)Chongfeng Guo, Xu Ding, Yan Xu “Luminescent properties of Eu³⁺-doped BaLn₂ZnO₅(Ln = La, Gd and Y) phosphors by sol-gel method”J. American Ceramic Society, 2010, 93(6): 1708-1713(IF=2.167,他引次数：5)

6)Chongfeng Guo, Lin Luan, Frank G. Shi, Xu Ding “White-emitting phosphor Ca₂BO₃Cl:Ce³⁺, Eu²⁺for UV light-emitting diodes”J. Electrochem. Society 2009, 156(6): J125-128(IF=2.42,他引次数：26)

7)Chongfeng Guo,Fei Gao, Yan Xu, Lifang Liang, Frank G. Shi, Bohan Yan “Efficient red phosphors Na₅Ln(MoO₄)₄:Eu³⁺(Ln=La, Gd and Y) for white LED”J. Physics D: Applied Physics 2009：42: 095407(IF=2.105,他引次数：14)

8)Chongfeng Guo,Lin Luan, Xu Ding, Fengjiao Zhang, Frank G. Shi, Fei Gao, Lifang Liang “ Luminescent properties of Sr₅(PO₄)₃Cl:Eu²⁺, Mn²⁺as a Potential Phosphor for UV-LED Based White LEDs”Applied Physics B 2009，95：779-785(IF=3.368,他引次数：19)

9)Chongfeng Guo, Fei Gao, Lifang Liang, Byung Chun Choi, Jung-Hyun Jeong “Synthesis, characterization and luminescent properties of novel red emitting phosphor Li₃Ba₂Ln₃(MoO₄)₈: Eu³⁺(Ln=La, Gd and Y) for white light-emitting diodes”J. Alloys Compd. 2009，479：607-612(IF=2.134,他引次数：16)

10)Chongfeng Guo,Lin Luan, Yan Xu, Fei Gao, Lifang Liang “White light-generation phosphor Ba₂Ca(BO₃)₂：Ce³⁺, Mn²⁺for light emitting-diodes”J. Electrochem. Soc. 2008, 155: J310-J314(IF=2.42,他引次数：32)