TY - JOUR ID - 149864 TI - Nanoscale synthesis of polyoxovanadate organic-inorganic hybrid for naked-eye dopamine detection JO - Nanochemistry Research JA - NCR LA - en SN - 2538-4279 AU - Moghzi, Faezeh AU - Soleimannejad, Janet AD - School of Chemistry, College of Science, University of Tehran, Tehran, Iran Y1 - 2022 PY - 2022 VL - 7 IS - 1 SP - 1 EP - 8 KW - Organic-inorganic hybrid KW - Polyoxovanadates KW - Nanomaterials KW - Optical sensing KW - Dopamine DO - 10.22036/ncr.2022.01.001 N2 - Decavanadate based compounds as a class of polyoxometalates family are known for their wide range of applications in chemical, biological, and physical sciences. Considering the size-dependent chemical properties of polyoxometalates and the unique properties of decavanadates, the nanoscale (HNic)6[V10O28].H2O (1), an organic-inorganic hybrid compound was synthesized using ultrasound and in the presence of a weak solvent. The nanostructures were characterized by FT-IR spectroscopy, powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and elemental analysis. The results showed that by increasing the amount of the weak solvent, the size and crystallinity of nanoparticles decreased. Optical studies revealed a green emission with a maximum at 530 nm from nanoscale 1 which is assigned to O→V charge transfer transition and it was used for dopamine (DA) detection. Interestingly, nanoscale 1 catalyzed the in-situ formation of polydopamine nanoparticles, the formation of which decreased the fluorescence intensity of nanoscale 1 which was successfully utilized for naked-eye dopamine molecules detection. UR - http://www.nanochemres.org/article_149864.html L1 - http://www.nanochemres.org/article_149864_3ef76526c32f375b359c5e1131dbd8ab.pdf ER -