Let facts speak.

I just did a quick search of the 10 highest cited papers of EG Wang, and found that at least 8 of them were done by HIS students in HIS lab at IOP. See below. Only 7 and 8 were efforts led by others (QK Xue in one case, and Q Niu in the other case).

1. Bai XD, Gao PX, Wang ZL, et al.
Dual-mode mechanical resonance of individual ZnO nanobelts
APPLIED PHYSICS LETTERS 82 (26): 4806-4808 JUN 30 2003
3 12 25 37 29 106 21.20

2. Ma XC, Wang EG, Zhou WZ, et al.
Polymerized carbon nanobells and their field-emission properties
APPLIED PHYSICS LETTERS 75 (20): 3105-3107 NOV 15 1999
16 11 18 17 5 105 11.67

3. Zhang GY, Jiang X, Wang EG
Tubular graphite cones
SCIENCE 300 (5618): 472-474 APR 18 2003
0 16 27 23 12 78 15.60

4. Wang EG
Research on carbon nitrides
PROGRESS IN MATERIALS SCIENCE 41 (5): 241-298 1997
9 9 6 12 6 76 7.60

5. Chen Y, Guo LP, Wang EG
Experimental evidence for alpha- and beta-phases of pure crystalline C3N4 in films deposited on nickel substrates
PHILOSOPHICAL MAGAZINE LETTERS 75 (3): 155-162 MAR 1997
3 1 0 2 1 68 6.18

6. Zhi CY, Bai XD, Wang EG
Enhanced field emission from carbon nanotubes by hydrogen plasma treatment
APPLIED PHYSICS LETTERS 81 (9): 1690-1692 AUG 26 2002
8 18 13 13 12 64 10.67

7. Yao YG, Kleinman L, MacDonald AH, et al.
First principles calculation of anomalous Hall conductivity in ferromagnetic bcc Fe
PHYSICAL REVIEW LETTERS 92 (3): Art. No. 037204 JAN 23 2004
5 22 26 9 62 15.50

8. Guo Y, Zhang YF, Bao XY, et al.
Superconductivity modulated by quantum size effects
SCIENCE 306 (5703): 1915-1917 DEC 10 2004
1 10 29 19 59 14.75

9. Meng S, Xu LF, Wang EG, et al.
Vibrational recognition of hydrogen-bonded water networks on a metal surface
PHYSICAL REVIEW LETTERS 89 (17): Art. No. 176104 OCT 21 2002
8 13 20 10 7 58 9.67

10. Ma XC, Wang EG
CNx/carbon nanotube junctions synthesized by microwave chemical vapor deposition
APPLIED PHYSICS LETTERS 78 (7): 978-980 FEB 12 2001