In this work, two heterometallic clusters, namely TiIV4MoV4MoVI2O16(OCH3)16 (1) and TiIV4MoV4O10(OC2H5)14 (C6H5COO)2 (2) are successfully constructed to improve the solar absorption and performance of titanium oxo clusters (TOCs). The 1 and 2 structures are determined well by single-crystal X-ray diffraction analysis and found to feature the common presence of Mo–Mo interactions. The solid-state UV–vis absorption studies indicate that these structures exhibit enhanced visible-light absorption and significantly reduced optical band gaps, which should be dominantly attributed to the introduction of electron-rich Mo–Mo pairs as heterometals. This work demonstrates an effective strategy of regulating the light absorption behaviors of TOCs by importing electron-rich heterometals.
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Open Access
Research Article
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Polyoxometalates 2023, 2 (1): 9140013
Published: 02 December 2022
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