Dynamic Molecular Investigation of the Solid-Electrolyte Interphase of an Anode-Free Lithium Metal Battery Using Liquid SIMS and Cryo-TEM.

We use liquid secondary ion mass spectroscopy, cryogenic transmission electron microscopy, and density functional theory calculation to delineate the molecular process in the formation of the solid-electrolyte interphase (SEI) layer under the dynamic operating conditions. We discover that the onset potential for SEI layer formation and the thickness of the SEI show dependence on the solvation shell structure. On a Cu film anode, the SEI is noticed to start to form at around 2.

Molecular identification of wines using liquid SIMS and PCA analysis.

Composition analysis in wine is gaining increasing attention because it can provide information about the wine quality, source, and nutrition. In this work, liquid secondary ion mass spectrometry (SIMS) was applied to 14 representative wines, including six wines manufactured by a manufacturer in Washington State, United States, four Cabernet Sauvignon wines, and four Chardonnay wines from other different manufacturers and locations. liquid SIMS has the unique advantage of simultaneously examining both organic and inorganic compositions from liquid samples.

Highly uniform Ni(HCO) spheres: the morphology evolution and electrochemical performance.

Nickel bicarbonate Ni(HCO) has recently been demonstrated to be a highly attractive electrode material for lithium-ion batteries (LIBs) and supercapacitors (SCs), and its electrochemical performance could be further enhanced through rationally tuning the morphology. Herein, Ni(HCO) spheres are successfully prepared via a facile, one-step hydrothermal route. The effects of the hydrothermal duration on the phase and morphology are investigated.

Molecular Examination of Ion-Pair Competition in Alkaline Aluminate Solutions Using In Situ Liquid SIMS.

Understanding the structure and composition of aluminate complexes in extremely alkaline systems such as Bayer liquors has received enormous attention due to their fundamental and industrial importance. However, obtaining direct molecular information of the underlying ion-ion interactions using traditional approaches such as NMR spectroscopy or Raman spectroscopy is challenging due to the weakness of these interactions and/or their complex overlapping spectral signatures. Here, we exploit in situ liquid secondary-ion mass spectrometry (SIMS) as a new approach and show how it enables new insights.

Three-Dimensional Mass Spectrometric Imaging of Biological Structures Using a Vacuum-Compatible Microfluidic Device.

Three-dimensional (3D) molecular imaging of biological structures is important for a wide range of research. In recent decades, secondary-ion mass spectrometry (SIMS) has been recognized as a powerful technique for both two-dimensional and 3D molecular imaging. Sample fixations (e.

A new pyrazoline-based fluorescent sensor for Al3+ in aqueous solution.

A new pyrazoline-based fluorescent sensor was synthesized and the structure was confirmed by single crystal X-ray diffraction. The sensor responds to Al(3+) with high selectivity among a series of cations in aqueous methanol. This sensor forms a 1:1 complex with Al(3+) and displays fluorescent quenching.

Two novel hierarchical homogeneous nanoarchitectures of TiO2 nanorods branched and P25-coated TiO2 nanotube arrays and their photocurrent performances.

We report here for the first time the synthesis of two novel hierarchical homogeneous nanoarchitectures of TiO2 nanorods branched TiO2 nanotube arrays (BTs) and P25-coated TiO2 nanotube arrays (PCTs) using two-step method including electrochemical anodization and hydrothermal modification process. Then the photocurrent densities versus applied potentials of BTs, PCTs, and pure TiO2 nanotube arrays (TNTAs) were investigated as well. Interestingly, at -0.

A two-dimensional network in the molecular salt 2-methylimidazolium hydrogen glutarate, and three-dimensional networks in the salts 2-methylimidazolium hydrogen succinate and 2-methylimidazolium hydrogen adipate monohydrate.

All three title compounds, C(4)H(7)N(2)(+).C(4)H(5)O(4)(-), (I), C(4)H(7)N(2)(+).C(5)H(7)O(4)(-), (II), and C(4)H(7)N(2)(+).

4-(5-Bromo-2-hydroxy-benzyl-idene-amino)-3-methyl-1H-1,2,4-triazole-5(4H)-thione.

In the title compound, C(10)H(9)BrN(4)OS, the triazole ring forms a dihedral angle of 72.05 (14)° with the benzene ring. The conformation of the mol-ecule is stabilized by intra-molecular O-H⋯·N hydrogen bonding.

N,N-Bis[2-(ethoxy-carbonyl-meth-oxy)-benzyl-idene]pyridine-2,6-dicarbohydrazide.

In the title compound, C(29)H(29)N(5)O(8), the ester group is disordered over two sites with site-occupancy factors of 0.91/0.09.

N,N-Bis(3-nitro-benzyl-idene)pyridine-2,6-dicarbohydrazide dimethyl-formamide disolvate trihydrate.

In the title compound, C(21)H(15)N(7)O(6)·2C(3)H(7)NO·3H(2)O, the N(2),N(2')-bis-(3-nitro-benzyl-idene)pyridine-2,6-dicarbohydrazide and one water mol-ecule are located on a twofold rotation axis. The mol-ecules are connected by hydrogen bonds. One dimethylformamide molecule is disordered over two positions; the site occupancy factors are ca 0.