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Publications (*: corresponding author) :
2023:
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63. Synthesis of a Dicyclohepta[a,g]heptalene-Containing Polycyclic Conjugated Hydrocarbon and the Impact of Non-Alternant Topologies.
J. Wang, F. G. Gámez, J. Marín-Beloqui, A. Diaz-Andres, X. Miao, D. Casanova, J. Casado,* J. Liu*.
Angew. Chem. Int. Ed., 2023, e202217124. (DOI: 10.1002/anie.202217124)

(Featured as Front Cover, Highlighted by X-MOL: https://www.x-mol.com/news/836731​.​
62. Exceptionally clean single-electron transistors from solutions of molecular graphene nanoribbons.
W. Niu, S. Sopp, A. Lodi, A. Gee, F. Kong, T. Pei, P. Gehring, J. Nägele, C. S. Lau, J. Ma, J. Liu, A. Narita, J. Mol, M. Burghard, K. Müllen, Y. Mai, X. Feng, L. Bogani.
Nat. Mater., 2023, 22, 180–185.
2022:
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61. Synthesis of Defective Nanographenes Containing Joined Pentagons and Heptagons.
Y. Fei, J. Liu*.

Adv. Sci., 2022, 2201000. (DOI: 10.1002/advs.202201000)
(Invited review paper)
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60. Cove-Edged Graphene Nanoribbons with Incorporation of Periodic Zigzag-Edge Segments.
X. Wang, J. Ma,* W. Zheng, S. Osella, N. Arisnabarreta, J. Droste, G. Serra, O. Ivasenko, A. Lucotti, D. Beljonne, M. Bonn, X. Liu, M. R. Hansen, M. Tommasini, S. D. Feyter, J. Liu
*, H. I. Wang, X. Feng*.
J. Am. Chem. Soc., 2022, 144, 228–235. (DOI: 10.1021/jacs.1c09000)
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59. Large Acene Derivatives with B-N Lewis Pair Doping: Synthesis, Characterization and Application.
J.-J Zhang, J. Ma,* F. Liu, L.-S. Cui, Y. Fu, L. Yang, J. J. Weigand, J. Liu*, X. Feng*.
Org. Lett., 2022, DOI: 10.1021/acs.orglett.2c00033.
58. Chiral Copper(I)-Organic Frameworks for Dye Degradations and Enantioselective Recognition of Amino Acids.
J. Zhao, J. Luo, Z. Lin, X. Chen, G.-H. Ning*, J. Liu
*, Dan Li* .
Inorg. Chem. Front., 2022, DOI: 10.1039/D2QI01337A.
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57. Benzo-Extended Cyclohepta[def]fluorene Derivatives with Very Low-Lying Triplet States.
F. Wu, J. Ma
*, F. Lombardi, Y. Fu, F. Liu, Z. Huang, R. Liu, H. Komber, T. G. Lohr, E. Dmitrieva, A. A Popov, J.Liu, L. Bogani*,  X. Feng*.
Angew. Chem. Int. Ed., 2022,
e202202170.
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56. Solution Synthesis and Characterization of a Long and Curved Graphene Nanoribbon with Hybrid Cove-Armchair-Gulf Edge Structures.
L. Yang, J. Ma,* W. Zheng, S. Osella, J. Droste, H. Komber, K. Liu, S. Böckmann, D. Beljonne, M. R. Hansen, M. Bonn, H. I. Wang, J. Liu, X. Feng*.
Adv. Sci., 2022, 
2200708.
55. Electrochemically controlled rectification in symmetricsingle-molecule junctions.
Z. Wang, J. L. Palma, H. Wang, J. Liu, G. Zhou, M. R. Ajayakumar, X. Feng, W. Wang, J. Ulstrup,A. A. Kornyshev,Y. Li, N. Tao.
PNAS, 2022, 119, e2122183119.
2021:
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54. A Molecular Transformer: A π-Conjugated Macrocycle as an Adaptable Host.
J. Wang, Y.-Y. Ju, K.-H. Low, Y.-Z. Tan, J. Liu*.
Angew. Chem. Int. Ed., 2021, 60, 11814-11818. (
DOI: 10.1002/anie.202102637)
(Highlighted by WileyChem, Wiley Advanced Science News, X-MOL: https://www.x-mol.com/news/571437​)
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53. Defective Nanographenes Containing Seven-Five-Seven (7-5-7) Membered Rings.
Y. Fei, Y. Fu, X. Bai, L. Du, Z. Li, H. Komber, K.-H. Low, S. Zhou, D. L. Phillips, X. Feng, J. Liu*.
J. Am. Chem. Soc., 2021
, 143, 2353-2360. (DOI: 10.1021/jacs.0c12116)
(Highlighted by X-MOL: 
https://www.x-mol.com/news/518975)
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​52. One-Pot Synthesis of Boron-Doped Polycyclic Aromatic Hydrocarbons via 1,4-Boron Migration.
J.-J. Zhang, M. C. Tang, Y. Fu, K.-H. Low, J. Ma, L. Yang, J. J. Weigand, J. Liu*, V. W.-W. Yam, X. Feng*.
Angew. Chem. Int. Ed., 2021, 60, 2833-2838. (DOI: 10.1002/anie.202011237)
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51. NBN-Doped Bis-Tetracene and Peri-Tetracene: Synthesis and Characterization.
 Y. Fu, X. Chang, H. Yang, E. Dmitrieva, Y. Gao, J. Ma, L. Huang*, J. Liu*, H. Lu, Z. Cheng, S. Du, H.-J. Gao, X. Feng*. 

Angew. Chem. Int. Ed., 2021, 60,
26115-26121. (DOI: 10.1002/anie.202109808) (Very Important Paper).
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50. Sulfur-doped Nanographenes Containing Multiple Subhelicenes.
W. Niu, Y. Fu, H. Komber, J. Ma, X. Feng, Y. Mai*, J. Liu*.
Org. Lett., 2021, 23, 2069-2073. (DOI: 10.1021/acs.orglett.1c00232)
(Highlighted by 
ChemistryViews)
(https://www.chemistryviews.org/details/news/11293137/Sulfur-Doped_Nanographenes_with_Helicene_Substructures.html)
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49. Toward zigzag-edged helical nanographene based on [7]helicene.
M.-G. Rong, J. Wang, J. Liu*.
Chem. Asian J., 2021, 16, 1216-1220. (DOI: 10.1002/asia.202100192)
​
(An invited paper for "Early Career Special Collection")
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48. Synthesis of Donor-Acceptor π-Conjugated Macrocycles by Post-Functionalization.
J. Wang, Q. Wan, J. Liu*.
Chin. J. Chem., 2021, 39, 2705-2710 (DOI: 10.1002/cjoc.202100329).
​(An invited paper for the special issue: Polymer Synthesis)
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47. Persistent peri-Heptacene: Synthesis and In-Situ Characterization.
M. R. Ajayakumar, J. Ma,* A. Lucotti, K. S. Schellhammer, F. Lombardi, G. Serra, E. Dmitrieva, M. Rosenkranz, H. Komber, L. Bogani, J. Liu, F. Ortmann, M. Tommasini, X. Feng*.

Angew. Chem. Int. Ed., 2021, 60, 13853-13858.
46. A Modular Cascade Synthetic Strategy toward Structurally Constrained Boron-doped Polycyclic Aromatic Hydrocarbons.
J-J. Zhang, L. Yang, F. Liu, Y. Fu, J. Liu, A. A. Popov, J. Ma*, X. Feng*.

Angew. Chem. Int. Ed., 2021, 
25695-25700.
45. Efficient electrocatalytic acetylene semihydrogenation on electron–rich metal sites in N–heterocyclic carbene metal complexes.
L. Zhang, Z. Chen, Z. Liu, J. Bu, W. Ma, C. Yan, R. Bai, J. Lin, Q. Zhang, J. Liu, T. Wang*, J. Zhang*. 
Nat. Commun., 2021, 12, 6574.
44. Synthetic Tuning the Quantum Properties of Open-shell Radicaloids.
 F. Lombardi#, J. Ma#, Hartmut Komber, J. Liu, W. K. Myers, X. Feng*, L. Bogani*.
Chem, 2021, 7, 1363-1378.
​43. Fabrication of sulfur-doped cove-edged graphene nanoribbons on Au(111).
​H. Yang, Y. Cao, W. Niu, X. Chang, L. Huang*, J. Liu, Y. Mai, X. Feng*, S. Du*, H.-J. Gao.
Chin. Phys. B, 2021, 
30, 077306​.
​42. NBN-doped nanographene embedded with five- and seven-membered rings on Au(111) surface.
H. Yang, Y. Cao, Y. Gao, Y. Fu, L. Huang*, J. Liu, X. Feng*, S. Du*, H.-J. Gao.
Chin. Phys. B, 2021, 30, 056802.
2020:
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41. Phenyl-Linked Anthracene-Based Macrocycles with Geometrically Tunable Optical Properties.
M.-G. Rong, J. Wang, K.-H. Low, J. Liu*. 
Organic Materials, 2020, 2, 336-341. (DOI: 10.1055/s-0040-1721729)
(An invited paper for the focus issue: Curved Organic π-Systems)
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40. A Curved Graphene Nanoribbon with Multi-Edge Structure and High Intrinsic Charge Carrier Mobility.
W. Niu, J. Ma, P. Soltani, W. Zheng, F. Liu, A. A. Popov, J. J. Weigand, H. Komber, E. Poliani, C. Casiraghi, J. Droste, M. R. Hansen, S. Osella, D. Beljonne, M. Bonn, H. I. Wang, X. Feng, J. Liu*, Y. Mai*.
J. Am. Chem. Soc., 2020, 142, 18293–18298. (DOI: 10.1021/jacs.0c07013)
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39. Synthetic Tailoring of Graphene Nanostructures with Zigzag-Edged Topologies: Progress and Perspectives.
 J. Liu*, X. Feng*.

Angew. Chem. Int. Ed., 2020, 59, 23386-23401. (DOI: 10.1002/anie.202008838)
(Invited review paper)
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38. On-Surface Synthesis of Non-benzenoid Nanographenes by Oxidative Ring-Closure and Ring-Rearrangement Reactions.
T. G. Lohr, J. I. Urgel*
, K. Eimre, J. Liu*, M. D. Giovannantonio, S. Mishra, R. Berger, P. Ruffieux, C. A. Pignedoli, R. Fasel*, X. Feng*.
J. Am. Chem. Soc., 2020
, 142, 13565–13572. (DOI: 10.1021/jacs.0c05668)
​
(Highlighted by X-MOL: ​https://www.x-mol.com/news/460369)
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37. Helical Nanographenes Containing an Azulene Unit: Synthesis, Crystal Structures, and Properties.
 J. Ma, Y. Fu, E. Dmitrieva, F. Liu, H. Komber, F. Hennersdorf, A. A. Popov, J. J. Weigand, J. Liu*, X. Feng*.
Angew. Chem. Int. Ed., 2020, 
59, 5637-5642. (DOI: 10.1002/anie.201914716)
​
(Highlighted by Synfacts: Synfacts, 2020, 16, 0282.)
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36. On-Surface Synthesis of NBN-Doped Zigzag-Edged Graphene Nanoribbons.
 Y. Fu, H. Yang, Y. Gao, L. Huang*, R. Berger, J. Liu*, H. Lu, Z. Cheng, S. Du, H.-J. Gao, X. Feng*. 
Angew. Chem. Int. Ed., 2020, 59, 8873-8879
. (DOI: 10.1002/ange.202000488)
​
(Highlighted by X-MOL: https://www.x-mol.com/news/450924)
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35. Bottom-up Synthesis of Nitrogen-Doped Polycyclic Aromatic Hydrocarbons.
 J. Liu*, X. Feng*.
Synlett, 2020, 31, 211-222. (
DOI: 10.1055/s-0039-1690767
)
(
Invited review paper​)
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34. Tailoring Magnetic Feature in Zigzag-Edged Nanographenes via Controlled Diels-Alder Reactions.
 M. R. Ajayakumar, Y. Fu, F. Liu, H. Komber, V. Tkachova, S. Zhou, A. A. Popov, J. Liu
*, X. Feng*.
Chem. Eur. J., 2020
, 26, 7497-7503. (DOI: 10.1002/chem.202001130)
​(HOT Paper)
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33. Dipyrene-Fused Dicyclopenta[a,f]naphthalenes.
J. Melidonie, E. Dmitrieva, K. Zhang, Y. Fu, A. A. Popov, W. Pisula, R. Berger, J. Liu*, X. Feng*.
J. Org. Chem., 2020,
 85, 215-223. (DOI: 10.1021/acs.joc.9b02626)

(Invited paper for the Special Issue: Functional Organic Materials)
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32. One-pot synthesis of dicyclopenta-fused peropyrene via a four-fold alkyne annulation.
 J. Ma,
Y. Fu, J. Liu*, X. Feng*.
Beilstein J. Org. Chem., 2020, 16, 791–797. (DOI: 10.3762/bjoc.16.72)

(Invited paper for the Thematic Issue: C–H functionalization for materials science)
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31. Synthesis and Characterization of AIE-active B–N Coordinated Phenalene Complexes.
Y. Fu, J. Liu*, Z. Wu*, J. J. Weigand, X. Feng*.
Organic Materials, 2020, 02, 240-247. (DOI: 10.1055/s-0040-1715564)
​(Invited paper)
30. Designer spin order in diradical nanographenes.
Y. Zheng, C. Li, C. Xu, D. Beyer, X. Yue, Y. Zhao, G. Wang, D. Guan, Y. Li, H. Zheng, C. Liu, J. Liu, X. Wang, W. Luo, X. Feng , S. Wang, J. Jia.
Nature Commum., 2020, 11, 6076.
​29. Force-Activated Isomerization of a Single Molecule.
J. Qi, Y. Gao, H. Jia, M. Richter, L. Huang, Y. Cao, H. Yang, Q. Zheng, R. Berger, J. Liu, X. Lin, H. Lu, Z. Cheng, M. Ouyang, X. Feng, S. Du, H. J. Gao.
J. Am. Chem. Soc., 2020, 142, 10673–10680.
28. On‐surface synthesis of cumulene‐like polymers via two‐step dehalogenative homocoupling of dibromomethylenes.
 J. I. Urgel,  M. D. Giovannantonio,  K. Eimre,  T. G. Lohr,  J. Liu,  S. Mishra,  Q. Sun,  A. Kinikar,  R. Widmer,  S. Stolz,  M. Bommert,  R. Berger,  P. Ruffieux,  C. A. Pignedoli,  K. Müllen,  X. Feng*,  R. Fasel*.

Angew. Chem. Int. Ed., 2020, 59, 13281-13287.
​27. Dynamical nuclear decoupling of electron spins in molecular graphenoid radicals and biradicals.
 F. Lombardi, W. K. Myers, J. Ma, J. Liu, X. Feng, L. Bogani*.
Phys. Rev. B, 2020, 101, 094406.
​26. Topological defect-induced magnetism in a nanographene.
S. Mishra, D. Beyer, R. Berger, J. Liu, O. Groening, J. I. Urgel, K. Müllen, P. Ruffieux, X. Feng*, R. Fasel*.
J. Am. Chem. Soc., 2020, 142, 1147-1152.
Before HKU (*: corresponding author) :
25. Quantum units from the topological engineering of molecular graphenoids.
F. Lombardi, A. Lodi, J. Ma, J. Liu, M. Slota, A. Narita, W. K. Myers, K. Müllen, X. Feng, L. Bogani*.

Science, 2019, 366, 1107-1110.
24. Open-shell non-benzenoid nanographenes containing two pairs of pentagonal and heptagonal rings.
J. Liu, S. Mishra, C. A. Pignedoli, D. Passerone, J. I. Urgel, A. Fabrizio, T. G. Lohr, J. Ma, H. Komber, M. Baumgarten, C. Corminboeuf, R. Berger, P. Ruffieux, K. Müllen*, R. Fasel*, X. Feng*.

J. Am. Chem. Soc., 2019, 141, 12011-12021.
23. Synthetic Engineering of Graphene Nanoribbons with Excellent Liquid-Phase Processability.
W. Niu
#, J. Liu#, Y. Mai*, K. Müllen, X. Feng*. (#: contributed equally)
Trends in Chemistry, 2019, 1, 549-558.

22. Synthesis and Characterization of π-Extended Triangulene.
S. Mishra, D. Beyer, K. Eimre, J. Liu, R. Berger, O. Gröning, C. A. Pignedoli, K. Müllen, R. Fasel, X. Feng*, P. Ruffieux*.
J. Am. Chem. Soc., 2019, 141, 10621-10625
.
21. On‐surface Synthesis and Characterization of Acene‐based Nanoribbons Incorporating Four‐membered Rings.
C. Sánchez-Sánchez,  T. Dienel,  A. Nicolaï,  N. Kharche, L. Liang,  C. Daniels,  V. Meunier,  J. Liu,  X. Feng,  K. Müllen,  J. R. Sánchez-Valencia,  O. Gröning,  P. Ruffieux,  R. Fasel
*.
Chem. Eur. J., 2019, 25, 12074-12082.
20. On-Surface Synthesis of a Non-Planar Porous Nanographene.
k. xu, J. I. Urgel, K. eimre, M. D. Giovannantonio, A. Keerthi, H. Komber, S. Wang, A. Narita, R. Berger, P. Ruffieux, C. A. Pignedoli, J. Liu, K. Müllen*, R. Fasel*, X. Feng*.
J. Am. Chem. Soc., 2019, 141, 7726-7730.
19. Wavy-shaped Polycyclic Hydrocarbons with Controlled Aromaticity.
J. Ma,  K. Zhang,  K. S. Schellhammer,  Y. Fu,  H. Komber,  C. Xu,  A. A Popov,  F. Hennersdorf,  J. J Weigand,  S. Zhou,  W. Pisula,  F. Ortmann,  R. Berger,  J. Liu*, X. Feng*.
Chem. Sci., 2019, 10, 4025-4031.

18. NBN-embedded Polycyclic Aromatic Hydrocarbons Containing Pentagonal and Heptagonal Ring.
Y. Fu, K. Zhang, E. Dmitrieva, F. Liu, J. Ma, J. J. Weigand, A. A. Popov, R. Berger, W. Pisula, J. Liu*, X. Feng*.
Org. Lett., 2019, 21, 1354-1358.

17. A Polycyclic Aromatic Hydrocarbon Containing Pyrrolopyridazine Core.
M. Richter, Y. Fu, E. Dmitrieva, J. J. Weigand, A. Popov, R. Berger, J. Liu, X. Feng*.
ChemPlusChem, 2019, 84, 613-618.

16. Toward Full Zigzag-Edged Nanographenes: peri-Tetracene and Its Corresponding Circumanthracene.
M. R. Ajayakumar, Y. Fu, J. Ma, F. Hennersdorf, H. Komber, J. J. Weigand, A. Alfonsov, A. A. Popov, R. Berger, J. Liu*, K. Müllen, X. Feng*.
J. Am. Chem. Soc., 2018, 140, 6240-6244.

15. Tailoring Bond Topologies in Open-Shell Graphene Nanostructures.
S. Mishra , T. G. Lohr, C. A. Pignedoli, J. Liu, R. Berger, J. I. Urgel, K. Müllen, X. Feng*, P. Ruffieux, R. Fasel*.
ACS Nano, 2018, 12, 11917-11927.

14. Pyrene-Fused s-Indacene.
J. Melidonie, J. Liu, Y. Fu, J. J. Weigand, R. Berger*, X. Feng*.
J. Org. Chem., 2018, 83, 6633-6639.

13. A Stable Saddle‐Shaped Polycyclic Hydrocarbon with an Open‐Shell Singlet Ground State.
J. Ma, J. Liu*, M. Baumgarten, Y. Fu, Y. Z. Tan, K. S. Schellhammer, F. Ortmann, G. Cuniberti, H. Komber, R. Berger, K. Müllen, X. Feng*.
Angew. Chem. Int. Ed., 2017, 56, 3280-3284.

12. π-Extended and Curved Antiaromatic Polycyclic Hydrocarbons.
J. Liu, J. Ma, K. Zhang, P. Ravat, P. Machata, S. Avdoshenko, F. Hennersdorf, H. Komber, W. Pisula , J. J. Weigand, A. A. Popov, R. Berger, K. Müllen, X. Feng*.
J. Am. Chem. Soc., 2017, 139, 7513-7521. (selected by the Editorial Board of Synfacts for its important insights).
11. On-Surface Cyclization of ortho-Dihalotetracenes to Four- and Six-Membered Rings.
C. Sánchez-Sánchez, A. Nicolaï, F. Rossel, J. Cai, J. Liu, X. Feng, K. Müllen, P. Ruffieux, R. Fasel*,
V. Meunier*.
J. Am. Chem. Soc., 2017, 139, 17617-17623.
10. Synthesis of Dibenzo[hi,st]ovalene and Its Amplified Spontaneous Emission in a Polystyrene Matrix.
G. M. Paternò, Q. Chen, X. Y. Wang, J. Liu, S. G. Motti, A. Petrozza, X. Feng, G. Lanzani, K. Müllen*, A. Narita*, F. Scotognella*.
Angew. Chem. Int. Ed., 2017, 56, 6753-6757.

9. Fused Dibenzo[a,m]rubicene: A New Bowl-Shaped Subunit of C70 Containing Two Pentagons.
J. Liu, S. Osella, J. Ma, R. Berger, D. Beljonne, D. Schollmeyer, X. Feng*, K. Müllen*.
J. Am. Chem. Soc., 2016, 138, 8364-8367. (highlighted by JACS Spotlights)
8. Unexpected Scholl Reaction of 6,7,13,14-Tetraarylbenzo[k]tetraphene: Selective Formation of Five-Membered Rings in Polycyclic Aromatic Hydrocarbons.
J. Liu, A. Narita, S. Osella, W. Zhang, D. Schollmeyer, D. Beljonne, X. Feng*, K. Müllen*.
J. Am. Chem. Soc., 2016, 138, 2602-2608.

7. Building Pentagons into Graphenic Structures by On-Surface Polymerization and Aromatic Cyclodehydrogenation of Phenyl-Substituted Polycyclic Aromatic Hydrocarbons.
J. Liu, T. Dienel, J. Liu, O. Groening, J. Cai, X. Feng, K. Müllen, P. Ruffieux, R. Fasel*.
J. Phys. Chem. C, 2016, 120, 17588-17593.

6. Toward cove-edged low band gap graphene nanoribbons.
J. Liu, B. W. Li, Y. Z. Tan, A. Giannakopoulos, C. Sanchez-Sanchez, D. Beljonne, P. Ruffieux, R. Fasel, X. Feng*, K. Müllen*.
J. Am. Chem. Soc., 2015, 137, 6097-6103. (Editors’ Choice, Open Access)

5. Tetrabenzo[a,f,j,o]perylene: A Polycyclic Aromatic Hydrocarbon With An Open‐Shell Singlet Biradical Ground State
J. Liu, P. Ravat, M. Wagner, M. Baumgarten, X. Feng*, K. Müllen*.
Angew. Chem. Int. Ed., 2015, 54, 12442-12446.

4. Temperature-Dependent Multidimensional Self-Assembly of Polyphenylene-Based “Rod–Coil” Graft Polymers.
Y. Huang, Y. Mai, X. Yang, U. Beser, J. Liu, F. Zhang, D. Yan, K. Müllen, X. Feng*.
J. Am. Chem. Soc., 2015, 137, 11602-11605.

3. High‐performance electrocatalysts for oxygen reduction derived from cobalt porphyrin‐based conjugated mesoporous polymers.
Z. S. Wu, L. Chen, J. Liu, K. Parvez, H. Liang, J. Shu, H. Sachdev, R. Graf, X. Feng*, K. Müllen*.
Adv. Mater., 2013, 26, 1450-1455.

2. A Facile Reprecipitation Method for the Preparation of Polyimide Hollow Spheres with Controllable Morphologies and Permeable Shell.
J. Liu, Y. Yan, Z. Chen, Y. Gu, X. Liu*.
Chem. Lett., 2010, 39, 1194-1196.

1. Spontaneous Self‐Assembly of a Mono‐Component Polyimide Bearing Terminal Hydrogen‐Bonding Sites in a Single Solvent.
X. Liu*, J. Liu, M. Jiang*.
Macro. Rap. Comm., 2009, 30, 892-896.

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