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nanohybrid; Keggin; crystallography; electrocatalyst; photocatalyst

A new organic-inorganic hybrid consisting of Keggin-type polyoxometalate ([BW₁₂O₄₀]^5-) and protonated piperazine, namely [H₅O₂]₂[Hpip]_2.5[BW₁₂O₄₀].4H₂O (pip = piperazine, C₄H₁₀N₂) (1), has been created under reflux state and identified through material identification devices like single-crystal crystallography, FT-IR and ¹H-NMR spectroscopies, Powder XRD, TG-DT Analysis, Field Emission SEM, elemental-analysis and cyclic voltammetry. Crystallography investigation exhibits that the main factor in the formation of 1 is the numerous number of hydrogen bonding between organic and inorganic species. The arrangement of Hpip groups creates holes in which the [BW₁₂O₄₀] ^{clusters fit into the holes. Furthermore, the electrochemical and photochemical attributes of 1 have been considered, and the outcomes present that 1 owns privileged electrocatalytic activity against the reduction of nitrite ions as well as an appropriate photochemical effect on methylene blue (MB) dye depredation}

ALI JAMSHIDI^{1 2} FARROKHZAD MOHAMMADI ZONOZ¹ YONGGE WEI³

1. Department of Chemistry, Hakim Sabzevari University, Sabzevar 96179-76487, Iran
2. Young Researchers and Elite Club, Mashhad Branch, Islamic Azad University, Mashhad, Iran
3. Department of Chemistry, Tsinghua University, Beijing 100084, China

Published

7 February 2020

Manuscript received

28 August 2019

Manuscript revised

19 October 2019

Accepted

22 October 2019