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Updated: Jul 4, 2025

Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Clicking beyond suspensions: understanding thiol-ene chemistry on solid-supported MoS2
Miriam C Rodríguez González1,2, Iván M Ibarburu3, Clara Rebanal3
1Department of Chemistry, Division of Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium. steven.defeyter@kuleuven.be.
Researchers explored molecular functionalization of molybdenum disulfide (MoS2) using maleimides. On-surface reactions were studied on both bulk and single-layer MoS2 under various conditions, paving the way for novel hybrid materials.
Area of Science:
- Materials Science
- Surface Chemistry
- Nanotechnology
Background:
- Molecular functionalization of molybdenum disulfide (MoS2) is crucial for developing advanced hybrid materials.
- Synthetic chemistry and molecular design offer pathways to tune MoS2 properties.
- Understanding surface reactions is key to controlling material characteristics.
Purpose of the Study:
- To investigate the on-surface reaction of maleimides on molybdenum disulfide (MoS2).
- To explore these reactions on both bulk and single-layer MoS2.
- To study the influence of different environmental conditions (ambient and ultrahigh vacuum) on the reactions.
Main Methods:
- Utilized scanning probe microscopy (SPM) for surface analysis.
- Investigated reactions on bulk MoS2.
- Examined reactions on molecular beam epitaxy (MBE) grown single-layer MoS2.
- Performed experiments under both ambient conditions and ultrahigh vacuum (UHV).
Main Results:
- Demonstrated the feasibility of on-surface maleimide reactions on MoS2.
- Observed differences in reactivity between bulk and single-layer MoS2.
- Characterized the molecular functionalization of MoS2 surfaces.
Conclusions:
- On-surface reactions provide a viable route for molecularly functionalizing MoS2.
- This approach enables the creation of tailored hybrid materials with MoS2.
- The study highlights the potential for precise control over MoS2 surface chemistry.
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