Citation: Jin, Liang; Ying, Jun; Zhang, Yanping; Sun, Chenxi; Tian, Aixiang; Wang, Xiuli (2022). A series of polyoxometalate compounds by tuning N sites and numbers of ligands: syntheses, characterization and electrochemical sensing, and photocatalytic and supercapacitor properties. New Journal of Chemistry, 46, pp. 8422-8432.