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Issue 5, 2018
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Iodoargentate/iodobismuthate-based materials hybridized with lanthanide-containing metalloviologens: thermochromic behaviors and photocurrent responses

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Abstract

Two new types of iodoargentate/iodobismuthate-based inorganic–organic hybrids were prepared and structurally characterized as {[Ln2(dpdo)(DMF)14](Ag12I18)}n (bpdo = 4,4′-bipyridine N,N′-dioxide, Ln = La (1), Nd (2), Sm (3)) and {[Ln(dpdo)(DMF)6](Bi2I9)2}n (Ln = La (4), Pr (5), Er (6)). These lanthanide–silver/bismuth heterometallic hybrids feature the novel templates of lanthanide-containing metalloviologen analogs, i.e., [Ln2(dpdo)(DMF)14]6+ (dimers for 1–3) and [Ln(dpdo)(DMF)6]n3n (1-D chains for 4–6). The (Ag12I18)n6n chains in 1–3 are constructed from edge-sharing Ag6I12 units, and (Bi2I9)3− clusters in 4–6 are defined by two face-sharing BiI6 otcahedra. The versatile weak interactions between metalloviologens and metal iodides stabilize the structures. Upon the introduction of metalloviologens, reversible thermochromism can be found in 1–6. Besides, electrodes with films of 1–6 exhibit effective and repeatable photocurrent responses. Finally, the possible thermochromism and photocurrent response mechanisms are also discussed.

Graphical abstract: Iodoargentate/iodobismuthate-based materials hybridized with lanthanide-containing metalloviologens: thermochromic behaviors and photocurrent responses

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Publication details

The article was received on 30 Nov 2017, accepted on 08 Mar 2018 and first published on 09 Mar 2018


Article type: Research Article
DOI: 10.1039/C7QI00755H
Citation: Inorg. Chem. Front., 2018,5, 1162-1173
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    Iodoargentate/iodobismuthate-based materials hybridized with lanthanide-containing metalloviologens: thermochromic behaviors and photocurrent responses

    D. Wang, L. Zhao, X. Lin, Y. Wang, W. Zhang, K. Song, H. Li and Z. Chen, Inorg. Chem. Front., 2018, 5, 1162
    DOI: 10.1039/C7QI00755H

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