From structure to function: a one-dimensional palladium(ii) hybrid for real-sample hydroquinone detection.
Sarra Bougossa1, Naoufel Ben Hamadi2, Jassem Wannassi3
1Laboratory Physical-Chemistry of the Solid State, Department of Chemistry, Faculty of Sciences of Sfax, BP 1171, Sfax 3000, University of Sfax, Tunisia houcine_naili@yahoo.com.
RSC Advances
|February 19, 2026
Summary
A new 1D hybrid compound shows semiconducting properties. It was used to create a sensitive electrochemical sensor for detecting hydroquinone (HQ) in environmental samples.
Area of Science:
- Materials Science
- Inorganic Chemistry
- Crystallography
Background:
- Organic-inorganic hybrid compounds offer tunable properties for various applications.
- Palladium-based materials are of interest due to their catalytic and electronic properties.
- Developing novel materials for sensing and energy applications is crucial.
Purpose of the Study:
- To synthesize and characterize a novel one-dimensional (1D) organic-inorganic hybrid compound.
- To investigate the material's structural, optical, and electronic properties.
- To develop and evaluate an electrochemical sensor based on this compound for hydroquinone detection.
Main Methods:
- Single-crystal X-ray diffraction for structural elucidation.
- Infrared spectroscopy and UV-vis diffuse reflectance spectroscopy for property analysis.
- Differential pulse voltammetry for electrochemical sensing performance evaluation.
Main Results:
- A novel 1D hybrid compound, (C4H7N2)[PdCl3(H2O)], was successfully synthesized and structurally characterized.
- The compound exhibits semiconducting behavior with an optical band gap of 2.18 eV.
- An electrochemical sensor demonstrated high sensitivity and selectivity for hydroquinone (HQ) detection with a low detection limit (0.02 µM).
Conclusions:
- The synthesized 1D hybrid compound possesses promising structural and optical properties for applications in photocatalysis, sensing, and proton conduction.
- The developed electrochemical sensor shows excellent performance for HQ detection in real samples, suitable for environmental monitoring.
