2-D and 3-D phosphotungstate-based TM-Ln heterometallic derivatives constructed from dimeric [Ln(α-PW11O39)2]11− fragments and copper-organic complex linkers

► CuII-LnIII heterometallic polyoxometalates. ► 2-D and 3-D organic-inorganic hybrid phosphotungstates. ► 2-D and 3-D structures consisting of CuII-LnIII heterometals.