[First Author]¹, [Second Author]², [Third Author]³ ¹ Department of Materials Science, University X, City, Country ² Institute of Chemical Engineering, University Y, City, Country ³ Advanced Materials Laboratory, Company Z, City, Country
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The present study introduces , a novel hybrid in which a di‑aryl‑alkyl‑amine (the “Hunk‑ch” organic fragment) is covalently anchored to a silicate network via a urea‑derived silane coupling agent. This architecture is expected to provide:
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The organic‑inorganic hybrid Hunk‑ch OAV155 (C₁₈H₂₂N₂O₄·SiO₂) has been designed to combine the mechanical robustness of silica networks with the electronic versatility of conjugated organic moieties. In this work we report (i) a scalable two‑step sol–gel synthesis, (ii) comprehensive physicochemical characterization (FT‑IR, NMR, XRD, BET, TEM, DSC/TGA, and UV‑Vis), (iii) evaluation of its optoelectronic properties (band gap, charge mobility), and (iv) demonstration of two proof‑of‑concept applications: (a) a flexible thin‑film dielectric for low‑voltage organic field‑effect transistors (OFETs) and (b) a catalytic platform for selective oxidation of benzyl alcohol. The material exhibits a glass transition temperature of 140 °C, a specific surface area of 352 m² g⁻¹, an optical band gap of 2.78 eV, and a dielectric constant (k) of 6.4 at 1 kHz. OFET devices fabricated on Hunk‑ch OAV155 dielectric layers operate at ≤ 5 V with an average charge‑carrier mobility of 0.12 cm² V⁻¹ s⁻¹ and an on/off ratio of 10⁶. Catalytic tests show > 95 % conversion of benzyl alcohol to benzaldehyde under mild conditions (80 °C, O₂, 1 atm). These results position Hunk‑ch OAV155 as a promising multifunctional material for next‑generation flexible electronics and green catalysis.
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