Infrared spectra of complexes of the thiocyanate and related ions
About: This article is published in Coordination Chemistry Reviews.The article was published on 1971-08-01. It has received 531 citations till now. The article focuses on the topics: Infrared spectroscopy correlation table & Thiocyanate.
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TL;DR: The combination of some three-atom bridges with paramagnetic 3d transition metal ions results in the systematic isolation of molecular magnetic materials, ranging from single-molecule and single-chain magnets to layered weak ferromagnets and three-dimensional porous magnets.
486 citations
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TL;DR: The short, thiocyanate ligand gives rise to significantly enhanced electronic coupling between NCs as evidenced by large bathochromic shifts in the absorption spectra of CdSe and CdTe NC thin films and by conductivities as high as (2 ± 0.7) × 10(3) Ω(-1) cm(-1), allowing the first Hall measurements of nonsintered NC solids.
Abstract: Ammonium thiocyanate (NH4SCN) is introduced to exchange the long, insulating ligands used in colloidal nanocrystal (NC) synthesis. The short, air-stable, environmentally benign thiocyanate ligand electrostatically stabilizes a variety of semiconductor and metallic NCs in polar solvents, allowing solution-based deposition of NCs into thin-film NC solids. NH4SCN is also effective in replacing ligands on NCs after their assembly into the solid state. The spectroscopic properties of this ligand provide unprecedented insight into the chemical and electronic nature of the surface of the NCs. Spectra indicate that the thiocyanate binds to metal sites on the NC surface and is sensitive to atom type and NC surface charge. The short, thiocyanate ligand gives rise to significantly enhanced electronic coupling between NCs as evidenced by large bathochromic shifts in the absorption spectra of CdSe and CdTe NC thin films and by conductivities as high as (2 ± 0.7) × 103 Ω–1 cm–1 for Au NC thin films deposited from solut...
332 citations
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217 citations
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TL;DR: In this article, the reaction of 2-benzoylpyridine N(4)-phenyl thiosemicarbazone (HL) with a variety of copper salts yielded a series of copper(II) complexes of the type [CuLX] where X = Cl (1), Br (2), NO3 (3), NCS (4), N3 (5) excluding the perchlorate complex.
154 citations
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TL;DR: In this paper, the synthesis and characterization of gold core palladium shell (Au@Pd) nanoparticles with thickness-controlled shell as an improved transition-metal substrate for surface-enhanced Raman scattering (SERS) was reported.
Abstract: We report the synthesis and characterization of gold core palladium shell (Au@Pd) nanoparticles with thickness-controlled shell as an improved transition-metal substrate for surface-enhanced Raman scattering (SERS). By changing the molar ratio of H2PdCl4 to Au, the Pd shell thickness can be precisely controlled from a few nanometers down to ca. one monolayer. A series of characterizations were performed using transmission electron microscopy (TEM), UV−vis, SERS, and electrochemical techniques. The results confirmed the core−shell structure and the uniform and pinhole-free nature of the Pd shell, ensuring the properties of Pd without possible interference from Au. Consistent with theoretical prediction, the core−shell setting borrows high SERS activity from the Au core through the long-range electromagnetic enhancement in addition to the enhancement from the Pd shell itself. Moreover, their SERS activity can be optimized by the tunable shell thickness and core size. The nm-Au@Pd/Pd electrodes allow us to o...
153 citations
References
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TL;DR: Using the principles of hard and soft acids and bases to estimate the strength and softness of an acid or base was proposed in this article, where the soft acid base was considered.
Abstract: Using the principles of hard and soft acids and bases to estimate the strength and softness of an acid or base.
1,907 citations
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TL;DR: Explores possible explanations for and presents applications of the principles of hard and soft acids and bases.
Abstract: Explores possible explanations for and presents applications of the principles of hard and soft acids and bases.
866 citations
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TL;DR: In this paper, a correlation between the frequencies of the NCS bending vibration and the stereochemistry of the compounds is presented, in particular, a clear distinction between tetrahedral and octahedral compounds is possible.
241 citations