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Xi J, Xue R, Li X, Lin Y, Peng G, Wang J, You S, Xu C, Zhang H, Chi L. Highly Selective On-Surface [2 + 2] Cycloaddition Induced by Hierarchical Metal-Organic Hybrids. J Phys Chem Lett 2023; 14:1585-1591. [PMID: 36748856 DOI: 10.1021/acs.jpclett.2c03913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
On-surface synthesis of phenylenes is a promising strategy to form extended π-conjugated frameworks but normally lacks selectivity in achieving uniform products. Herein we demonstrate that the debromination reaction of 2,3-dibromophenazine (DBPZ) on Au(111) and Ag(111) surfaces can vary significantly considering the involvement of metal-organic hybrids (MOHs). On Au(111), [2 + 2] and [2 + 2 + 2] cycloadditions facilitate instantaneously upon the debromination occurring, while on Ag(111), several MOHs have been observed under sequential thermal annealing, leading to finally the uniform [2 + 2] cycloaddition product exclusively. By means of scanning tunneling microscopy (STM) and bond-resolved atomic force microscopy (BR-AFM), we have unambiguously depicted the chemical structure of related reaction intermediates and unraveled the undocumented role of hierarchical evolution of MOHs in steering the chemical selectivity.
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Affiliation(s)
- Jiahao Xi
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Renjie Xue
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Xuechao Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Yu Lin
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Guyue Peng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Junbo Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Sifan You
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Chaojie Xu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Haiming Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
| | - Lifeng Chi
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, Jiangsu, P. R. China
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Jacobse PH, Jin Z, Jiang J, Peurifoy S, Yue Z, Wang Z, Rizzo DJ, Louie SG, Nuckolls C, Crommie MF. Pseudo-atomic orbital behavior in graphene nanoribbons with four-membered rings. SCIENCE ADVANCES 2021; 7:eabl5892. [PMID: 34936436 PMCID: PMC8694588 DOI: 10.1126/sciadv.abl5892] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 11/08/2021] [Indexed: 06/14/2023]
Abstract
The incorporation of nonhexagonal rings into graphene nanoribbons (GNRs) is an effective strategy for engineering localized electronic states, bandgaps, and magnetic properties. Here, we demonstrate the successful synthesis of nanoribbons having four-membered ring (cyclobutadienoid) linkages by using an on-surface synthesis approach involving direct contact transfer of coronene-type precursors followed by thermally assisted [2 + 2] cycloaddition. The resulting coronene-cyclobutadienoid nanoribbons feature a narrow 600-meV bandgap and novel electronic frontier states that can be interpreted as linear chains of effective px and py pseudo-atomic orbitals. We show that these states give rise to exceptional physical properties, such as a rigid indirect energy gap. This provides a previously unexplored strategy for constructing narrow gap GNRs via modification of precursor molecules whose function is to modulate the coupling between adjacent four-membered ring states.
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Affiliation(s)
- Peter H. Jacobse
- Department of Physics, University of California, Berkeley, CA 94720, USA
| | - Zexin Jin
- Department of Chemistry, Columbia University, New York, NY 10027, USA
| | - Jingwei Jiang
- Department of Physics, University of California, Berkeley, CA 94720, USA
| | - Samuel Peurifoy
- Department of Chemistry, Columbia University, New York, NY 10027, USA
| | - Ziqin Yue
- Department of Physics, University of California, Berkeley, CA 94720, USA
| | - Ziyi Wang
- Department of Physics, University of California, Berkeley, CA 94720, USA
| | - Daniel J. Rizzo
- Department of Physics, Columbia University, New York, NY 10027, USA
| | - Steven G. Louie
- Department of Physics, University of California, Berkeley, CA 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Colin Nuckolls
- Department of Chemistry, Columbia University, New York, NY 10027, USA
| | - Michael F. Crommie
- Department of Physics, University of California, Berkeley, CA 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
- Kavli Energy NanoSciences Institute at the University of California, Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
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Goryunkov AA, Asfandiarov NL, Muftakhov MV, Ioffe IN, Solovyeva VA, Lukonina NS, Markov VY, Rakhmeyev RG, Pshenichnyuk SA. Dissociative Electron Attachment to 2,3,6,7,10,11-Hexabromotriphenylene. J Phys Chem A 2020; 124:690-694. [PMID: 31914729 DOI: 10.1021/acs.jpca.9b11088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
2,3,6,7,10,11-Hexabromotriphenylene (HBTP) and 2,3,6,7,10-pentabromotriphenylene (PBTP) were investigated by means of dissociative electron attachment spectroscopy (DEAS). The dominant decay channel of the transient molecular negative ions consists of elimination of Br- with resonances in the low electron energy region. Formation of long-lived parent anions with autodetachment lifetime τa = 310 μs is observed at thermal electron energies. The adiabatic electron affinities, EAa = 1.12 ± 0.1 eV in HBTP and 1.09 ± 0.1 eV in PBTP, evaluated using a simple Arrhenius approach are in good agreement with those predicted by DFT (XYG3/Def2-TZVPP//PBE0/Def2-TZVPP) calculations.
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Affiliation(s)
- Alexey A Goryunkov
- Department of Chemistry , Lomonosov Moscow State University , Leninskie Gory, 1-3 , Moscow 119991 , Russia
| | - Nail L Asfandiarov
- Institute of Molecule and Crystal Physics , Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences , Prospekt Octyabrya, 151 , Ufa 450075 , Russia
| | - Mars V Muftakhov
- Institute of Molecule and Crystal Physics , Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences , Prospekt Octyabrya, 151 , Ufa 450075 , Russia
| | - Ilya N Ioffe
- Department of Chemistry , Lomonosov Moscow State University , Leninskie Gory, 1-3 , Moscow 119991 , Russia
| | - Vera A Solovyeva
- Department of Chemistry , Lomonosov Moscow State University , Leninskie Gory, 1-3 , Moscow 119991 , Russia
| | - Natalia S Lukonina
- Department of Chemistry , Lomonosov Moscow State University , Leninskie Gory, 1-3 , Moscow 119991 , Russia
| | - Vitaliy Yu Markov
- Department of Chemistry , Lomonosov Moscow State University , Leninskie Gory, 1-3 , Moscow 119991 , Russia
| | - Rustam G Rakhmeyev
- Institute of Molecule and Crystal Physics , Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences , Prospekt Octyabrya, 151 , Ufa 450075 , Russia
| | - Stanislav A Pshenichnyuk
- Institute of Molecule and Crystal Physics , Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences , Prospekt Octyabrya, 151 , Ufa 450075 , Russia
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Zhang R, Xia B, Xu H, Lin N. Identifying Multinuclear Organometallic Intermediates in On‐Surface [2+2] Cycloaddition Reactions. Angew Chem Int Ed Engl 2019; 58:16485-16489. [DOI: 10.1002/anie.201909278] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Ran Zhang
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
| | - Bowen Xia
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
- Department of PhysicsSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Hu Xu
- Department of PhysicsSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Nian Lin
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
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Zhang R, Xia B, Xu H, Lin N. Identifying Multinuclear Organometallic Intermediates in On‐Surface [2+2] Cycloaddition Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ran Zhang
- Department of Physics The Hong Kong University of Science and Technology Hong Kong SAR China
| | - Bowen Xia
- Department of Physics The Hong Kong University of Science and Technology Hong Kong SAR China
- Department of Physics Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Hu Xu
- Department of Physics Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Nian Lin
- Department of Physics The Hong Kong University of Science and Technology Hong Kong SAR China
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