Odd-membered cyclic hetero-polyoxotitanate nanoclusters with high stability and photocatalytic H2 evolution activity

Design and Synthesis of Al7Ni2 Heterometallic Clusters Based on Metal Substitution and Ligands Protection Strategies†

“…Typically, pure inorganic spinel (M II Al 2 O 4 , M II = Mg, Co, Ni, Cu, Zn) type materials play an important role in industrial applications, [ 5‐6 ] such as electronic or optical devices in sensors. [ 7 ] In recent years, a large number of organic‐inorganic hybrid Al‐TM heterometallic structures have been discovered, [ 8‐10 ] including the linear Co 2 Al 2 (O i Pr) 6 (acac) 4 (O i Pr = isopropoxide, Hacac = acetylacetone), [ 11 ] triangular EuAl 3 (O i Pr) 12 , [ 12 ] [Al 4 (L) 4 (Cat) 2 ]·2[Fe(Im) 6 ]·2Im (H 3 L = 2,3‐dihydroxybenzoic acid, Cat = catechol, Im = imidazole), [ 13 ] cyclic [Zn 12 Al 6 (AcO) 12 (μ 2 ‐OH) 2 (μ 3 ‐OH) 4 (NA) 12 ] 5 ·12HBP (H 2 NA = 3‐hydroxy‐2‐naphthoic acid, HBP = benzyl alcohol) [ 14 ] and [Al 7 Ti 14 (μ 2 ‐O) 7 (μ 3 ‐O) 14 (L) 35 ]·2CH 3 CN (L = benzoic acid) [ 15 ] as well as trimetallic cage [Cu 12 Eu 6 Al 6 (μ 3 ‐OH) 18 (OH) 12 (μ 4 ‐O) 6 (μ 3 ‐OH 2 ) 6 (O 2 C t Bu) 18 ]. [ 16 ] Some of them have shown potential applications in photocatalytic hydrogen production, C—H activation, nonlinear optics, and magnetism.…”

Calix[6]arene-functionalized titanium-oxo clusters for photocatalytic cycloaddition of carbon dioxide to epoxides

“…Atomically precise titanium-oxo clusters (TOCs), considered as representative models for elucidating the structure and characteristics of TiO 2 nanomaterials, have garnered significant interest due to their aesthetic structures, unique properties, and potential applications in diverse fields such as photo-catalytic hydrogen production, [1][2][3][4] solar cells, [5][6][7][8] pollutant degradation, [9][10][11] photocatalytic CO 2 reduction, [12][13][14] and organic transformations. [15][16][17][18] In particular, the precise structural information of TOCs contributes to establishing structure-property relationships at the molecular level.…”

A family of oxime-based titanium-oxo clusters: synthesis, structures, and photoelectric responses

“…1–22 It is found that functional organic ligands are one of the most significant factors related to structural diversity and potential applications of titanium-oxo materials. 23–26 Sundry functional ligands have been successfully used in the synthesis of Ti-oxo clusters, involving carboxylates, phosphonates, amino alcohol, and derivatives. 27–37…”