What question did this study set out to answer?

The aim is to synthesize and characterize water-soluble heterometallic polyoxotungstates based on unique clusters.

May 9, 2026Inorganic Chemistry Frontiers0 citations

Two "X"-shaped Eu6-embedded water-soluble heterometallic polyoxotungstates based on Eu6M4WSe4 (GeW10) 4 (M = Cr, Al) clusters with resistance-switching

YCYun-Fei CaoFuzhou University CJChen Ju-ningFuzhou University XSXiaomin ShenFuzhou University

Key Points

The aim is to synthesize and characterize water-soluble heterometallic polyoxotungstates based on unique clusters.
Synthesis of two tungstogermanate frameworks: 1-EuCr and 2-EuAl.
Characterization of structural properties including water solubility.
Exploration of resistance-switching behavior in synthesized frameworks.
1-EuCr and 2-EuAl demonstrate distinct resistance-switching properties.
Unique clusters formed display enhanced stability and functionality.
Frameworks exhibit significant potential for applications in electronic materials.

Abstract

Two water-soluble 3D tungstogermanate frameworks H 17 Na 4 K 7 (H 2 O) 12 Eu 6 (H 2 O) 4 Cr 4 (WO 6) (SeO 3) 4 (GeW 10 O 37) 2 (GeW 10 O 38) 2 ·32H 2 O (1-EuCr) and H 17 Na 2 K 9 (H 2 O) 14 Eu 6 (H 2 O) 4 Al 4 (WO 6) (SeO 3) 4 (GeW 10 O 37) 2 (GeW 10 O 38) 2 ·32H 2 O (2-EuAl) are constructed from unprecedented heterometallic Eu 6 (H 2 O) 4 M 4 (WO 6) (SeO 3) 4 (GeW 10 O 37) 2 (GeW 10 O 38) 2 (Eu 6 M 4 WSe 4 (GeW 10) 4, M = Cr for 1-EuCr ; Al for 2-EuAl) clusters with unique. . .

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