Research Fields:

Surface physical chemistry

Surface molecular assembly

Surface chemical reaction

on-surface synthesis
 

Current Courses：

Projects:

NSFC (20170351, 21622307, 21473123, 21103128)
 

Publications：

1.On-surface synthesis and characterization of individual polyacetylene chains
S. Wang, Q. Sun, O. Gröning, R. Widmer, C. A. Pignedoli, L. Cai, X. Yu, B. Yuan, C. Li, H. Ju, J. Zhu, P. Ruffieux, R. Fasel*, W. Xu*
Nat. Chem. 11, 924-930, 2019
2.Switching the spin on a Ni trimer within a metal-organic motif by controlling the on-top bromine atom
L. Xie, H. Lin, C. Zhang, J. Li, N. Merino-Díez, N. Friedrich, X. Bouju, Y. Li, J. I. Pascual*, W. Xu*
ACS Nano 13, 9936-9943, 2019
3.Dissolution of sodium halides by confined water on Au(111) via Langmuir-Hinshelwood process
Y. Ding, X. Wang, D. Li, L. Xie, W. Xu*
ACS Nano 13, 6025-6032, 2019
4.Direct formation of C-C double-bonded structural motifs by on-surface dehalogenative homocoupling of gem-dibromomethyl molecules
L. Cai, X. Yu, M. Liu, Q. Sun, M. Bao, Z. Zha, J. Pan, H. Ma, H. Ju, S. Hu, L. Xu, J. Zou, C. Yuan, T. Jacob, J. Björk, J. Zhu, X. Qiu*, W. Xu*
ACS Nano 12, 7959-7966, 2018
5.Direct formation of C-C triple-bonded structural motifs by on-surface dehalogenative homocouplings of tribromomethyl-substituted arenes
Q. Sun, X. Yu, M. Bao, M. Liu, J. Pan, Z. Zha, L. Cai, H. Ma, C. Yuan, X. Qiu*, W. Xu*
Angew. Chem. Int. Ed. 57, 4035-4038, 2018
6.Nickel adatoms induced tautomeric dehydrogenation of thymine molecules on Au(111)
H. Kong, C. Zhang, Q. Sun, X. Yu, L. Xie, L. Wang, L. Li, S. Hu, H. Ju, Y. He, J. Zhu, W. Xu*
ACS Nano 12, 9033-9039, 2018
7.On-surface synthesis of carbon nanostructures
Q. Sun, R. Zhang, J. Qiu, R. Liu, W. Xu*
Adv. Mater. 30, 1705630, 2018 (invited review)
8.On-surface formation of cumulene by dehalogenative homocoupling of alkenyl gem-dibromides
Q. Sun, B. V. Tran, L. Cai, H. Ma, X. Yu, C. Yuan, M. Stöhr*, W. Xu*
Angew. Chem. Int. Ed. 56, 12165-12169, 2017
9.Competition between hydrogen bonds and coordination bonds steered by the surface molecular coverage
L. Cai, Q. Sun, M. Bao, H. Ma, C. Yuan, W. Xu*
ACS Nano 11, 3727-3732, 2017
10.Structural transformation and stabilization of metal-organic motifs induced by halogen doping
L. Xie, C. Zhang, Y. Ding, W. Xu*
Angew. Chem. Int. Ed. 56, 5077-5081, 2017
11.Bottom-up synthesis of metalated carbyne
Q. Sun, L. Cai, S. Wang, R. Widmer, H. Ju, J. Zhu, L. Li, Y. He, P. Ruffieux, R. Fasel, W. Xu*
J. Am. Chem. Soc. 138, 1106-1109, 2016
12.Constitutional dynamics of metal-organic motifs on a Au(111) surface
H. Kong, C. Zhang, L. Xie, L. Wang, W. Xu*
Angew. Chem. Int. Ed. 55, 7157-7160, 2016
13.Dehalogenative homocoupling of terminal alkynyl bromides on Au(111): incorporation of acetylenic scaffolding into surface nanostructures
Q. Sun, L. Cai, H. Ma, C. Yuan*, W. Xu*
ACS Nano 10, 7023-7030, 2016
14.Real-space evidence of rare guanine tautomer induced by water
C. Zhang, L. Xie, Y. Ding, Q. Sun, W. Xu*
ACS Nano 10, 3776-3782, 2016
15.Atomic-scale insight into tautomeric recognition, separation and interconversion of guanine molecular networks on Au(111)
C. Zhang, L. Xie, L. Wang, H. Kong, Q. Tan, W. Xu*
J. Am. Chem. Soc. 137, 11795-11800, 2015
16.Dehydrogenative homocoupling of terminal alkenes on copper surfaces: a route to dienes
Q. Sun, L. Cai, Y. Ding, L. Xie, C. Zhang, Q. Tan, W. Xu*
Angew. Chem. Int. Ed. 54, 4549-4552, 2015
17.Controllable scission and seamless stitching of metal-organic clusters by STM manipulation
H. Kong, L. Wang, Q. Sun, C. Zhang, Q. Tan, W. Xu*
Angew. Chem. Int. Ed. 54, 6526-6530, 2015
18.Formation of a G-quartet-Fe complex and modulation of electronic and magnetic properties of the Fe center
L. Wang, H. Kong, C. Zhang, Q. Sun, L. Cai, Q. Tan, F. Besenbacher, W. Xu*
ACS Nano 8, 11799-11805, 2014
19.Atomic-scale investigation on the facilitation and inhibition of guanine tautomerization at Au(111) surface
H. Kong, Q. Sun, L. Wang, Q. Tan, C. Zhang, K. Sheng, W. Xu*
ACS Nano 8, 1804-1808, 2014
20.On-surface formation of one-dimensional polyphenylene through Bergman cyclization
Q. Sun, C. Zhang, Z. Li, H. Kong, Q. Tan, A. Hu*, W. Xu*
J. Am. Chem. Soc. 135, 8448-8451, 2013
21.Identification of molecular adsorption geometries and intermolecular hydrogen bonding configurations by in-Situ STM manipulation
W. Xu*, H. Kong, C. Zhang, Q. Sun, H. Gersen, L. Dong, Q. Tan, E. Laegsgaard, F. Besenbacher*
Angew. Chem. Int. Ed. 52, 7442-7445, 2013
22.Guanine and potassium based two-dimensional coordination network self-assembled on Au(111)
W. Xu*, J. G. Wang, M. Yu, E. Laegsgaard, I. Stensgaard, T. R. Linderoth, B. Hammer, C. Wang, F. Besenbacher*
J. Am. Chem. Soc. 132, 15927-15929, 2010
23.Supramolecular porous network formed by molecular recognition between chemically modified nucleobases G and C
W. Xu*, J. G. Wang, M. F. Jocobsen, M. Mura, M. Yu, R. E. A. Kelly, E. Lægsgaard, I. Stensgaard, T. R. Linderoth, J. Kjems, L. N. Kantorovich, K. V. Gothelf, F. Besenbacher*
Angew. Chem. Int. Ed. 49, 9373-9377, 2010