In-Architecture X-ray Assisted C–Br Dissociation for On-Surface Fabrication of Nanodiamond Chains

The fabrication of well-defined, low-dimensional diamondoid-based materials is a promising approach for tailoring diamond properties such as superconductivity. On-surface self-assembly of halogenated diamondoids under ultrahigh vacuum conditions represents an effective strategy in this direction, enabling reactivity exploration and on-surface synthesis approaches. Here, we demonstrate through scanning probe microscopy, time-of-flight mass spectrometry, and X-ray photoelectron spectroscopy that self-assembled layers of dibromodiamantanes on gold can be debrominated by X-ray irradiation (Al Kα at 8.87 Å and Mg Kα at 9.89 Å) at low temperatures, without affecting their well-defined arrangement. The resulting ‘in-architecture’ debromination enables the fabrication of the diamantane dimer from self-assembled precursors in close proximity, which is otherwise inaccessible through annealing on metal surfaces. Our work introduces an approach for the fabrication of nanodiamond chains, with significant implications for in-architecture, layer-by-layer synthesis, and photolithography at the atomic limit.

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Publication Details

Journal
ACS Applied Nano Materials
Published
2025-09-16
DOI
https://doi.org/10.1021/acsanm.5c03184
Citations
2
Primary Topic
Diamond and Carbon-based Materials Research
Type
article
Field-Weighted Citation Impact
1.04
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article

In-Architecture X-ray Assisted C–Br Dissociation for On-Surface Fabrication of Nanodiamond Chains

Oliver Dumele∞, Zhaotan Jiang, Xiaoxi Zhang, Jie Gao et al.
2 citations
ACS Applied Nano Materials
Diamond and Carbon-based Materials Research
1.04
article

In-Architecture X-ray Assisted C–Br Dissociation for On-Surface Fabrication of Nanodiamond Chains

Oliver Dumele∞, Zhaotan Jiang, Xiaoxi Zhang, Jie Gao, Tiago F. T. Cerqueira, Miguel A. L. Marques, José D. Cojal González, Carlos‐Andres Palma, Niklas Grabicki, F. Reinert, Hibiki Orio, Yan Wang, Juan Li
article en
2 citations

Abstract

The fabrication of well-defined, low-dimensional diamondoid-based materials is a promising approach for tailoring diamond properties such as superconductivity. On-surface self-assembly of halogenated diamondoids under ultrahigh vacuum conditions represents an effective strategy in this direction, enabling reactivity exploration and on-surface synthesis approaches. Here, we demonstrate through scanning probe microscopy, time-of-flight mass spectrometry, and X-ray photoelectron spectroscopy that self-assembled layers of dibromodiamantanes on gold can be debrominated by X-ray irradiation (Al Kα at 8.87 Å and Mg Kα at 9.89 Å) at low temperatures, without affecting their well-defined arrangement. The resulting ‘in-architecture’ debromination enables the fabrication of the diamantane dimer from self-assembled precursors in close proximity, which is otherwise inaccessible through annealing on metal surfaces. Our work introduces an approach for the fabrication of nanodiamond chains, with significant implications for in-architecture, layer-by-layer synthesis, and photolithography at the atomic limit.

ACS Applied Nano MaterialsVol. 8(38)
Beijing Institute of Technology (CN), Center for Inquiry (US), University of Freiburg (DE), Chinese Academy of Sciences (CN), University of Würzburg (DE), Humboldt-Universität zu Berlin (DE), Complexity, Topology and Dynamics in Quantum Matter (DE), Ambulatory Rehabilitation Center Berlin Adlershof (DE), FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ), Material Physics Center (ES), Beijing Academy of Quantum Information Sciences (CN), Shenzhen Technology University (CN), Shenzhen MSU-BIT University, University of Coimbra (PT), Ruhr University Bochum (DE)
Openalex Percentile: Top 22%
Diamond and Carbon-based Materials Research
1.04
DOISourceOpenAlex
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