Ion Pair Charge-Transfer Salts Based on Metal Chalcogenide Clusters and Methyl Viologen Cations
Source abstract
Abstract
Novel ion pair charge-transfer salts have been synthesized through the integration of metal chalcogenide cluster anions and methyl viologen cations. The new compounds show dramatically red-shifted UV−visible absorptions, which provide a new way to control optical and electronic properties of metal chalcogenides, particularly in relation to their potential applications in solar cells.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Chalcogenide Semiconductor Thin Films · Perovskite Materials and Applications · Quantum Dots Synthesis And Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, University of California, Riverside, California 92521, and Department of Chemistry and Biochemistry, California State University, 1250 Bellflower Boulevard, Long Beach, California 90840
References (44)
Show source-provided references
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26. IPCT-1(C19H21CdCl3N2S): A mixture of Cd(SPhMe-2)2(200mg), MVCl2(50 mg), DMF (5.0 g), and methanol (5.0 g) was placed in a glass vial and stirred for 1 h to form a clear red solution. The solution was then sealed and kept unstirred for 1 month. The red crystals were filtered and washed with methanol three times. Yield: 55%.
27. IPCT-2(C114H103Zn10ClS19N4): A mixture of Zn(SPh)2(150mg), thiourea (49mg), MVCl2(15mg), and acetonitrile (7.0g) were placed in a vial and stirred for 1 h. The vial was then sealed and heated at 85°C for 5 days. After being cooled to room temperature, red crystals were harvested in 45% yield.
28. IPCT-3(C110H97Cd8N3S17): A mixture of Cd(SPh)2(180 mg), thiourea (49 mg), MVCl2(15 mg), and acetonitrile (7.0 g) were placed in a vial and stirred for 30 min to form a clear red solution. The solution was then sealed and kept unstirred for 1 month and the dark-red crystals were obtained in 75% yield.
29. Crystal data for IPCT-1(C19H21CdCl3N2S): monoclinic, space groupP21/n,M= 528.19,a= 8.23000(10) Å,b= 17.8611 (2) Å,c= 15.3995 (2) Å, β = 95.0630 (10)°,V= 2254.85(5) Å3,Z= 4,T= 150(2) K,Dc= 1.556 g cm−3,F(000) = 1032, Mo Kα radiation (λ= 0.71073 Å),R1= 0.0424 andwR2= 0.1249,S= 1.026.
30. Crystal data for IPCT-2(C114H103Zn10ClS19N4): orthorhombic, space groupP212121,M= 2827.29,a= 18.6605(7) Å,b= 18.6586(7)Å,c= 33.9833(15)Å,V= 11832.3(8)Å3,Z= 4,T= 150 (2) K,Dc= 1.587 g cm−3,F(000) = 5744, Mo Kα radiation (λ= 0.71073 Å),R1= 0.0976 andwR2= 0.2627,S= 0.976. Because of the particular geometry of the T3 cluster in IPCT-2, the surface −SPh ligands can adopt more than one energetically similar crystallographic positions, which leads to the crystallographic disorder of these groups and associated high R-factor.
31. Crystal data for IPCT-3(C110H97Cd8N3S17): monoclinic, space groupP21/c,M= 2905.13,a= 15.2608 (2) Å,b= 27.9174 (5) Å,c= 26.4792 (4) Å, β = 110.7760 (10)°,V= 11043.8 (3) Å3,Z= 4,T= 150 (2) K,Dc= 1.747 g cm−3,F(000) = 5736, Mo Kα radiation (λ= 0.71073 Å),R1= 0.0574 andwR2= 0.1477,S= 1.030.
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