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MoS Quantum Dot-Optimized Conductive Channels for a Conjugated Polymer-Based Synaptic Memristor.
ACS Appl Mater Interfaces
December 2023
Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China.
Donor-acceptor-type conjugated polymers are widely used in memristors due to their unique push-pull electron structures and charge transfer mechanisms. However, the inherently inhomogeneous microstructure of polymer films and their low crystallinity produce randomness that destabilizes formed conductive channels, giving polymer-based memristors unstable switching behavior. In this contribution, we prepared a synaptic device based on PM6-MoS QD (molybdenum disulfide quantum dot) nanocomposites.
View Article and Find Full Text PDFSubstituent Effect to Fine-Tune Energy Levels of Atom-Precise [MoOS ] Modified Copper(I) Thiolate Clusters Boosting Recyclable Photocatalysis.
Angew Chem Int Ed Engl
August 2023
Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.
The propulsion of photocatalytic hydrogen (H ) production is limited by the rational design and regulation of catalysts with precise structures and excellent activities. In this work, the [MoOS ] unit is introduced into the Cu clusters to form a series of atomically-precise Mo -Cu bimetallic clusters of [Cu (MoOS ) (C H (CH )S) (P(C H -R) ) ] ⋅ xCH CN (R=H, CH , or F), which show high photocatalytic H evolution activities and excellent stability. By electron push-pull effects of the surface ligand, highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) levels of these Mo -Cu clusters can be finely tuned, promoting the resultant visible-light-driven H evolution performance.
View Article and Find Full Text PDFSynthesis, Characterization, and Comparative Theoretical Investigation of Dinitrogen-Bridged Group 6-Gold Heterobimetallic Complexes.
Inorg Chem
April 2021
LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, BP44099, F-31077 Toulouse cedex 4, France.
We have prepared and characterized a series of unprecedented group 6-group 11, N-bridged, heterobimetallic [ML(η-N)(μ-η:η-N)Au(NHC)] complexes (M = Mo, W, L = diphosphine) by treatment of -[ML(N)] with a cationic gold(I) complex [Au(NHC)]. The adducts are very labile in solution and in the solid, especially in the case of molybdenum, and decomposition pathways are likely initiated by electron transfers from the zerovalent group 6 atom to gold. Spectroscopic and structural parameters point to the fact that the gold adducts are very similar to Lewis pairs formed out of strong main-group Lewis acids (LA) and low-valent, end-on dinitrogen complexes, with a bent M-N-N-Au motif.
View Article and Find Full Text PDFDeoxygenation Prevents Arsenic Mobilization during Deepwell Injection into Sulfide-Bearing Aquifers.
Environ Sci Technol
December 2018
Origin Energy , 180 Ann Street , Brisbane , Queensland , Australia.
Coal seam gas (CSG) extraction generates large volumes of coproduced water. Injection of the excess water into deep aquifers is often the most sustainable management option. However, such injection risks undesired sediment-water interactions that mobilize metal(loid)s in the receiving aquifer.
View Article and Find Full Text PDFPush-pull molybdenum trisdithiolenes allow rapid nonconventional binding of ethylene at ligand sulfur atoms.
Angew Chem Int Ed Engl
December 2007
University of Toronto Mississauga, 3359 Mississauga Road North, Mississauga, ON L5L 1C6, Canada
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