A Robust Molecular Rectifier Based on Ferrocene-Functionalized Bis(diarylcarbene) on Gold
Source abstract
Abstract
While thiol-based adsorbates have achieved significant success in surface modification and molecular electronics, their thermal and storage instability has hindered long-term commercial viability. Carbene-based thin films offer a promising alternative due to their enhanced stability; however, their molecular electronic properties after postfunctionalization remain to be investigated. In this study, by attaching a ferrocene (Fc) unit to a bis(diarylcarbene)-modified gold surface via carbodiimide coupling, the system exhibits diode behavior with a current rectification ratio of ∼100. This diode behavior is highly temperature-dependent, indicating that hopping is the dominant mechanism for current rectification. Notably, the system demonstrated excellent electrical stability under ambient storage conditions for over 6 months. Our work highlights the potential for designing carbene-based molecular junctions through postmodification and for developing durable functional molecular electronic devices.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Molecular Junctions and Nanostructures · Semiconductor materials and devices · Electrocatalysts for Energy Conversion
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Oxford Suzhou Centre for Advanced Research, Building A, 388 Ruo Shui Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, P.R. China
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren’ai Road, Suzhou, Jiangsu 215123, P. R. China
Chemistry Research Laboratory, Department of Chemistry
University of Oxford
Funding
Suzhou Key Laboratory of Functional Nano and Soft Materials · Collaborative Innovation Center of Suzhou Nano Science and Technology · National Natural Science Foundation of China · Science and Technology Program of Suzhou · Higher Education Discipline Innovation Project · Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University
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