Organic Photovoltaic Research Group, UNSW

Ashraf Uddin                                                 CV        Biography

Associate Professor, UNSW, Sydney

​

B.Sc.(Hons.), Physics Honours (1st), 1980, Dhaka University, Bangladesh 

M.Sc. (Solid State Physics), 1st class, 1982, Dhaka University, Bangladesh

Ph.D. (Semiconductor Physics), 1991, Osaka University, Osaka, Japan

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Senior Member,  IEEE, USA                                       1999 - present

Member, Jpn. Society of Appl. Phys., Japan                  1991 – 1998

Member, Jpn. Society of Physics, Japan                        1988 – 1995

Member, Materials Research Society, Singapore            2003 – 2008

1. Cheng Xu
Email:
Project: Fabrication of high efficiency Organic solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Dr. Naveen Kumar Elumalai

5. Pengdong Jiao

Email:
Project: Organic solar cells. 
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Cheng Xu 

2. Haimang Yi
Email:
Project: Fabrication of high efficiency and stable perovskite solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Dr. Naveen Kumar Elumalai

6. Hao Lian

Email:
Project: Performance analysis of the PV system on TETB roof-top 
Supervisor: Dr. Ashraf Uddin

3. Faiazul Haque

Email:
Project: High efficiency perovskite solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Dr. Naveen Kumar Elumalai
 

7. Sijin Zhu

Email:
Project: Design of a temperature control PV system for the domestic application 
Supervisor: Dr. Ashraf Uddin
 

4. Leiping Duan
Email:
Project: Organic solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Dr. Naveen Kumar Elumalai
 

8. Wenyan Tao
Email:
Project: Perovskite solar cells. 
Supervisor: Dr. Ashraf Uddin

1. Mushfika Baishakhi Upama

Email:
Electrical Engineer, Arup Australia
Web designer (OPV research grp)
PhD Project: High efficiency Organic and Perovskite solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Prof. Gavin Conibeer and
Dr. Naveen Kumar Elumalai
 

2. Md Arafat Mahmud

Research Fellow
ANU College of Engineering and Computer Science
Email:
Web:
PhD Project: Low-temperature processed perovskite solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Prof. Gavin Conibeer and Dr. Naveen Kumar Elumalai

3. Dian Wang

Email:
PhD Project: High performance perovskite solar cells towards tandem solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Dr. Gavin Conibeer

4. Rui Sheng
Email:

CTO at Microquanta Semiconductor Co., LTD
Web:
PhD Project: Organic and perovskite solar cells
Supervisor: Dr. Ashraf Uddin
Co-supervisor: Dr. Thilini Ishwara

1. Dr. Thilini Ishwara

Post-doctoral fellow

Email:

Project: Solar Efficiency Optimization of Hybrid Organic-Inorganic Solar Cells 
Supervisor: Dr. Ashraf Uddin

2. Dr. Yan Luting
Senior visiting fellow

Email:
Project: Study of interface problem in OPV
Supervisor: Ashraf Uddin
 

3. Dr. Naveen Kumar Elumalai

Research Associate
Email:    
Project: Organic-perovskite tandem solar cells
Supervisor: Ashraf Uddin
 

4. Dr. Matthew Wright
Part-time Research Associate
Email:: Organic-perovskite tandem solar cells
Supervisor: Ashraf Uddin
 

Semester 1, 2017 to Semester 2 2017

1.    Student Name: Mr. Jingwei Lu
       Project: Optimization of TiO2/organic hybrid cells performances
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Thilini Ishwara
 

2.    Student Name: Mr. Vishal Patel 
       Student ID: 5025584
       Project: Fabrication and Characterization of Perovskite Solar Cells
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Dr. Naveen Kumar Elumalai
 

3.   Student Name: Mr. Chenghao Li
       Student ID: 3474388
       Project: Study of hysteresis in perovskite solar cells
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Dr. Naveen Kumar Elumalai
 

4.    Student Name: Mr. Weishuai Zhong
       Student ID: 3483564
       Project: Optical simulation of organic solar cell structures
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Dr. Matthew Wright
 

5.    Student Name: Mr. Ugur Can Uzer
       Student ID: 5100086
       Project: Determination of AVT of high efficiency semi-transparent organic solar cells. 
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Mushfika Baishakhi, Upama

6.    Student Name: Mr. Xiaosheng Lu
       Student ID: 5052058
       Project: Fabrication of high efficiency CH3NH3SnI3 solar cell.
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Dr. Naveen Kumar Elumalai

7.    Student Name: Mr. Longran Chen
       Student ID: 5082607
       Project: Comparison of normal and inverted structure perovskite solar cells. 
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Md Arafat Mahmud 

​

 

Semester 2, 2009 to Semester 1 2010.

1.  Student Name: Mr. Zixuan Qiu
     Student ID: 3263578
     Project: Determination of carrier diffusion length and saturation current density in silicon solar cell
     Supervisor: Dr. Ashraf Uddin
     Email:

2.  Student Name: Mr. Zhang Tian
     Student ID: 3263264
     Project: Metallization effects on the optical properties of nano-structure silicon
     Supervisor: Dr. Ashraf Uddin
     Email:

3.  Student Name: Mr. Thoo Chee Hong
     Student ID: 3061689
     Project: Design of high efficiency dye sensitised solar cells
     Supervisor: Dr. Ashraf Uddin
     Email:

4.  Student Name: Mr. Henry Makgawinata
     Student ID: 3163780
     Project: Design of a solar water heating system for domestic use
     Supervisor: Dr. Ashraf Uddin
     Email:

5.  Student Name: Mr. Gao Zhen
     Student ID: 3263266
     Project: Investigation of annealing effects on silicon thin film solar cell
     Supervisor: Dr. Ashraf Uddin
     Email:

Semester 1, 2010 to Semester 2, 2010.

6.  Student Name: Mr. Xinda Yang
     Student ID: 3271570
     Project: Study of carrier transport mechanism in organic semiconductor for different electrode metals for organic solar cell
     Supervisor: Dr. Ashraf Uddin
     Email:

7.  Student Name: Mr. Jizhong Yao
     Student ID: 3271596
     Project: Design of light trapping structure for organic solar cells
     Supervisor: Dr. Ashraf Uddin
     Email:

8.  Student Name: Mr. Adam Sen Ann Ong
     Student ID: 3209095
     Project: Study of carrier transport mechanism in organic semiconductor for different electrode metals for organic solar cell
     Supervisor: Dr. Ashraf Uddin
     Email:

9.  Student Name: Mr. Mohammad Taufik Azami
     Student ID: 3207213
     Project: Study of temperature and doping effects on silicon wet-etching
     Supervisor: Dr. Ashraf Uddin
     Email:

10.  Student Name: Mr. Tian Xia
     Student ID: 3271583
     Project: Determination of carrier diffusion length and saturation current density in silicon solar cell
     Supervisor: Dr. Ashraf Uddin
     Email:

11. Student Name: Mr. Haini Jin
      Student ID: 3279872
      Project: Study of doping concentration effects on metal ohmic contact formation on silicon wafer
      Supervisor: Dr. Ashraf Uddin
      Email:

12. Student Name: Mr. Matthew wright
     Student ID: 3220187
     Project: Design of high efficiency organic solar cells
     Supervisor: Dr. Ashraf Uddin
     Email:

13. Student Name: Mr. Xiaolei Liu
     Student ID: 3036348
     Project: Hybrid bulk heterojunction solar cells
     Supervisor: Dr. Ashraf Uddin
     Email:

14. Student Name: Mr. Lihui Song
     Student ID: 3271581
     Project: Design of light trapping structure for organic solar cell 
     Supervisor: Dr. Ashraf Uddin
     Email:

15. Student Name: Miss. Xueying Zhao
     Student ID: 3214545
     Project: Study of temperature and doping effects on silicon wet-etching
     Supervisor: Dr. Ashraf Uddin
     Email:

16. Student Name: Mr. Buyi Yan
     Student ID: 3279896
     Project: Optical fibre/nanowire hybrid structures dye-sensitized solar cells 
     Supervisor: Dr. Ashraf Uddin
     Email:

Semester 2, 2010 to Semester 2, 2010.

17.   Student Name: Mr. Viren Nathoo
  Student ID: 3222779
        Project: Accelerated indoor and outdoor testing of Dye Sensitized Cells
        Supervisor: Dr. Ashraf Uddin
        Email:

18.  Student Name: Miss Helga Prochaska
       Student ID: 3201776
       Project: Honeycomb Texturing of multi-crystalline solar cells through wet
                    Etching  
       Supervisor: Dr. Ashraf Uddin
       Email:

Semester 1, 2011 to Semester 2, 2011.

19.  Student Name: Mr. Dean Redman
       Student ID: 3160373
       Project: Determination of aging mechanism of thin film silicon solar cell
       Supervisor: Dr. Ashraf Uddin
       Email:

20.  Student Name: Mr. Yan Robin Liu
       Student ID: 3249754
       Project: Silicon/organic hybrid solar cell 
       Supervisor: Dr. Ashraf Uddin
       Email:

21.  Student Name: Mr. Thomas Harrison
       Student ID: 3256535
       Project: Organic solar cells 
       Supervisor: Dr. Ashraf Uddin
       Email:

22.  Student Name: Mr. Pu Deng
       Student ID: 3238195
       Project: Determination of carrier diffusion length and saturation current density in New and used silicon solar cells
       Supervisor: Dr. Ashraf Uddin
       Email:

23.  Student Name: Mengxin James Tang
       Student ID: 3250210
       Project: Study of annealing effects on organic layers for OPV devices
       Supervisor: Dr. Ashraf Uddin
       Email:

24.  Student Name: Mr. Yun-Hsiang Wang (Sam)
       Student ID: 3249491
       Project: Aluminium-induced crystallisation of amorphous silicon for organic/inorganic heterojunction solar cells
       Supervisor: Dr. Ashraf Uddin
       Email:

25.  Student Name: Mr. Pengyu Hao
       Student ID: 3254977
       Project: Study of annealing effects on organic layers for OPV devices
       Supervisor: Dr. Ashraf Uddin
       Email:

Semester 2, 2011 to Semester 1, 2012

26.  Student Name: Mr. Deng Yanting
       Student ID: 3269085
       Project: Thin film past screen printing technology of crystalline silicon solar cell              

       Supervisor: Dr. Ashraf Uddin
       Email:

27.  Student Name: Mr. Yifan Wang
       Student ID: 3269073
       Project: Study of annealing effects on organic layers for OPV devices 
       Supervisor: Dr. Ashraf Uddin
       Email:

28.  Student Name: Miss. Flairy Anne Caragay
       Student ID: 3186593
       Project: Fabrication of high efficiency OPV devices with low band gap donor materials 
       Supervisor: Dr. Ashraf Uddin
       Email:

29.  Student Name: Mr. Chao Liu
       Student ID: 3269139
       Project: Optimization of Si-base AAO nano-imprinting mode for OPV devices
       Supervisor: Dr. Ashraf Uddin
       Email:

30.  Student Name: Mr. Mingxuan Zhu
       Student ID: 3318155
       Project: Nano-morphology control of donor/acceptor layer for bulk heterojunction OPV devices 
       Supervisor: Dr. Ashraf Uddin
       Email:

Semester 1, 2012 to Semester 2, 2012

31.  Student Name: Miss Ran Chen
       Student ID: 3284739
       Project: Preparation of well-aliened P3HT nanostructure by using AAD mold to achieve the ordered morphological control in bulk hetero-junction organic solar cells.
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Fred Qi

32.  Student Name: Miss Anna Nadolny
       Student ID: 3242018
       Project: Investigation of PCPDTBT:Si hybrid solar cells. 
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Matthew Wright

33.  Student Name: Mr. Zhang Xiaoyang
       Student ID: 3350639
       Project: Study of annealing effects on organic PV materials
       Supervisor: Dr. Ashraf Uddin
       Email:
      Co-supervisor: Xiaohan Yang

34.  Student Name: Mr. Wenkai Cao
       Student ID: 3283761
       Project: Study of the origin of open-circuit voltage in hybrid organic-inorganic nanocrystals solar cells
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Matthew Wright

35.  Student Name: Mr. Shu Fang
       Student ID: 3284808
       Project: Plasmon enhanced light absorption in bulk-heterojunction organic solar cell
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Xiaohan Yang

36.  Student Name: Mr. Shi Chao Zheng
       Student ID: 3284015
       Project: Develop a chemical process technology for the preparation of ITO surface on glass substrate for OPV devices
       Supervisor: Dr. Ashraf Uddin
       Email:

37.  Student Name: Mr. Yi Zhang
       Student ID: 3283677
       Project: Study of carrier transport mechanism in the interface of organic
       semiconductor and electrode metals for organic solar cells
       Supervisor: Dr. Ashraf Uddin
       Email:

Semester 2, 2012 to Semester 1, 2013

38.  Student Name: Mr. Yao Zhang
       Student ID: 3285379
       Project: Investigation of PCPDTBT:Si hybrid cells
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Matthew Wright

39.  Student Name: Mr. Masahiro Miwa
       Student ID: 3308533
       Project: Study of ZnO thin films for solar cells application
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Rui Lin

40.  Student Name: Mr. Yuan Chu
       Student ID: 3308508
       Project: Study of annealing effects on organic photovoltaic materials
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Xiaohan Yang 

41.  Student Name: Mr. Jinyang Yu
       Student ID: 3308537
       Project: Study of carrier transport mechanism in interface of organic/cathode layers
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Thilini Ishwara

42.  Student Name: Mr. Hang Xing
       Student ID: 3308538
       Project: Preparation of well-aligned P3HT nanostructure by using AAO mold to achive the ordered morphologyical control in bulk heterojunction organic cells 
       Supervisor: Dr. Ashraf Uddin
       Email:
       Co-supervisor: Fred Qi

​

Semester 1, 2013 to Semester 2, 2013

43.  Student Name: Xiao Fu
       Student ID: 3281863
       Project: Study of the origin of open-circuit voltage in hybrid organic-inorganic nanocrystals solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin      
       Co-supervisor: 

44.  Student Name: Kuan Chen
       Student ID: 3325154
       Project: Study of ZnO thin films for organic solar cell application 
       Email:
       Supervisor: Dr. Ashraf Uddin  
       Co-supervisor: Rui Lin

45.  Student Name: Xianghuang Zeng
       Student ID: 3302542
       Project: Study of nano-structure n-type poly-Si thin film material for photovoltaic application
       Email:
       Supervisor: Dr. Ashraf Uddin   
       Co-supervisor: Chaowei Xue

46.  Student Name: LiQun Zhu
       Student ID: 3324848
       Project: Plasma enhanced light absorption in bulk-heterojunction organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
      Co-supervisor: Kah Howe Chan, Alexgender 

47.  Student Name: Chen Yifei
       Student ID: 3325147
       Project: Study of nano-structure p-type poly-Si thin film material for photovoltaic application
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Chaowei Xue

48.  Student Name: Zhizhi Yang
       Student ID: 3324909
       Project: Plasma enhanced light absorption in bulk-heterojunction organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Kah Howe Chan, Alexgender 

49.  Student Name: Wenjie Yang
       Student ID: 3334181
       Project: Preparation of well-aligned P3HT nanostructures by using AAD mold to achieve the ordered morphological control bulk heterojunction organic solar cell
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Fred Qi

50.  Student Name: Yu Jiang
       Student ID: 3351830
       Project: Ternary blend organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Matthew Wright

51.  Student Name: Wu Heng
       Student ID: 3325096
       Project: Design of high efficiency organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin

Semester 2, 2013 to Semester 1, 2014

52.  Student Name: Xueting Liang
       Student ID: 3326116
       Project: Ternary blend organic solar organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Matthew Wright

53.  Student Name: Yihan Wang
       Student ID: 3326494
       Project: Effects of TiCl4 treatment on solid state dye-sensitised organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Rui Sheng

54.  Student Name: Zhai Shah Ying
       Student ID: 3326476
       Project: Investigation of Ag nano-particles into hole-transporting layer in inverted organic solar cells for light trapping
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Kah Chan (Alex)

55.  Student Name: Adrian Pang
       Student ID: 3291502
       Project: Computer simulation of donor-acceptor morphology effects in bulk-heterojunction organic solar cells
      Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Rui Lin

​

Semester 1, 2014 to Semester 2, 2014

56.  Student Name: Lim Wei En
       Student ID: 3348012
       Project: Study of ZnO films by FTIR  measurements
      Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Rui Lin

57.  Student Name: Jiahua Zhu
       Student ID: 3343737
       Project: Enhanced light trapping via plasmonic nanostructures in organic solar cells
      Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Kah Chan (Alex)

58.  Student Name: Yuewei Tang
       Student ID: 3346098
       Project: Investigation of compact TiO2 layer for perovskite solar cells
      Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Rui Sheng

59.  Student Name: Xiao Fei
       Student ID: 3369767
       Project: Quadrangle Building rooftop PV system analysis 
      Email:
       Supervisor: Dr. Ashraf Uddin

60.  Student Name: Maoqing Yang
       Student ID: 3343474
       Project: Quadrangle Building rooftop PV system analysis 
      Email:
       Supervisor: Dr. Ashraf Uddin

61.  Student Name: Xiao Zhong
       Student ID: 3326735
       Project: TETB rooftop PV data analysis
      Email:
       Supervisor: Dr. Ashraf Uddin
62.  Student Name: Haimang Yi
       Student ID: 3369623
       Project: Study of carrier transport mechanism in the interface of organic semiconductor
      Email:
       Supervisor: Dr. Ashraf Uddin
     

Semester 2, 2014 to Semester 1, 2015

63.  Student Name: Shin Suk Ho
       Student ID: 3453240
       Project: Investigation of fabrication of compact TiO2 layer for perovskite solar cells 
      Email:
       Supervisor: Dr. Ashraf Uddin
 

64.  Student Name: Yi Ming Lu
       Student ID: 3360404
       Project: Data analysis of solar panels on quadra building in UNSW
       Email:
       Supervisor: Dr. Ashraf Uddin
    

65.  Student Name: Dunkang Liu
       Student ID: 3355529
       Project: Plasma enhanced light absorption in bulk-heterojunction organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Kah Chan (Alex)

Semester 1, 2015 to Semester 2, 2015

66.  Student Name: Zhenghui Mao (Jimmy)
       Student ID: 3220324
       Project: Study of the origin of open circuit voltage in organic-inorganic hybrid nanostructured solar cells (perovskite-based solar cells)
       Email:
       Supervisor: Dr. Ashraf Uddin
    

67.  Student Name: Tae Kyong Choi
       Student ID: 3411559
       Project: Study of the origin of open circuit voltage in organic-inorganic hybrid nanostructured solar cells (perovskite-based solar cells)
       Email:
       Supervisor: Dr. Ashraf Uddin
 

68.  Student Name: Hyun Jun Rim
       Student ID: 3411563
       Project: Fabrication of compact TiO2 layer for perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
  

69.  Student Name: Heng Sun
       Student ID: 3413197
       Project: Design of high efficiency organic-inorganic hybrid nanostructure solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin

       Co-supervisor: Mushfika Baishakhi Upama
       

70.  Student Name: Ting Lei
       Student ID: 3394920
       Project: Fabrication of high efficiency organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
   

Semester 2, 2015 to Semester 1, 2016

71. Student Name: Jiyun Kim
       Student ID: 3387852
       Project: Study of J-V hysteresis in perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Arafat Mahmud

72. Student Name: Tian Sun
       Student ID: 5010231
       Project: Study of carrier transport mechanism in perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Arafat Mahmud

Semester 1, 2016 to Semester 2, 2016

73.  Student Name: Bixin Hu
       Student ID: 3456624
       Project: Fabrication and investigation of compact TiO2 layer for perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Dian Wang

74. Student Name: Xiaotian Zhang
       Student ID: 3430522
       Project: Study of hysteresis in perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Dr. Naveen Kumar Elumalai

Semester 2, 2016 to Semester 1, 2017

75.  Student Name: Kun Wang
       Student ID: 3413935
       Project: Stability of perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Dr. Naveen Kumar Elumalai
 

Semester 1, 2017 to Semester 2, 2017

76.  Student Name: Kuangye Zhang
       Student ID: 5051794
       Project: Organic solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Cheng Xu

77. Student Name: So Yeon Rho
       Student ID: 3463893
       Project: Study of perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Dian Wang

Semester 2, 2017 to Semester 1, 2018

No UG thesis student in this semester.

Semester 1, 2018 to Semester 2, 2018

78.  Student Name: Tat Ming Cheng
       Student ID: 5119326
       Project: Stability of perovskite solar cells
       Email:
       Supervisor: Dr. Ashraf Uddin
       Co-supervisor: Haimang Yi 

79.  Student Name: Eric Tong
       Student ID: 5019341
       Project: Analysis of TETB roof-top solar panel system
       Email:
       Supervisor: Dr. Ashraf Uddin

1.    Pengfei Zhang,
2.    Shu Lin,
3.    Wenkai Cao,
4.    Zhilong Zhang,
5.    Lin Yuan,
6.    Qingshan Ma