Lewis Base Catalysis Enables the Activation of Alcohols by means of Chloroformates as Phosgene Substitutes
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202001175
Abstract: Nucleophilic substitutions (SN) are typically promoted by acid chlorides as sacrificial reagents to improve the thermodynamic driving force and lower kinetic barriers. However, the cheapest acid chloride phosgene (COCl2) is a highly toxic gas. Against… read more here.
Keywords: catalysis enables; enables activation; base catalysis; lewis base ... See more keywords
A quantum theory atoms in molecules investigation of Lewis base protonation
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Quantum Chemistry"
DOI: 10.1002/qua.25310
Abstract: This investigation uses atomic properties derived from the quantum theory of atoms in molecules formalism to rationalize the infrared intensity of the stretching vibration that arises as a Lewis base (B) is protonated (B-H mode).… read more here.
Keywords: quantum theory; atoms molecules; theory atoms; investigation ... See more keywords
N-Heterocyclic Olefin Type Ionic Liquid with Innate Soft Lewis-Base Character as an Effective Additive for Hybrid Quasi-2D and 3D Perovskite Solar Cells.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202300013
Abstract: In optimizing perovskites with ionic liquid (IL), the comparative study on Lewis acid-base (LAB) and hydrogen-bonding (HB) interactions between IL and perovskite is lacking. Herein, methyl is substituted for hydrogen on 2-position of imidazolium ring… read more here.
Keywords: lewis base; ionic liquid; heterocyclic olefin; hybrid quasi ... See more keywords
A universal tactic of using Lewis-base polymer-CNTs composites as additives for high performance cm2-sized and flexible perovskite solar cells
Sign Up to like & getrecommendations! Published in 2020 at "Science China Chemistry"
DOI: 10.1007/s11426-020-9866-6
Abstract: Lewis-base polymers have been widely utilized as additives to act as a template for the perovskite nucleation/crystal growth and passivate the under-coordinated Pb 2+ sites. However, it is uncovered in this work that the polymer… read more here.
Keywords: perovskite solar; polymer cnts; lewis base; cnts composites ... See more keywords
Understanding the Surface Passivation Effects of Lewis Base in Perovskite Solar Cells
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.150267
Abstract: Abstract Chemical passivation implemented by Lewis base has been demonstrated as an effective method to overcome the water vulnerability of perovskite solar cells (PSCs) along with better performance. Comprehensive understanding of the surface passivation effects… read more here.
Keywords: passivation; solar cells; perovskite solar; surface ... See more keywords
Structure-induced Lewis-base Ga4B2O9 and its superior performance in Knoevenagel condensation reaction
Sign Up to like & getrecommendations! Published in 2020 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2020.110914
Abstract: Abstract Solid Lewis-base catalysis is important in the production of fine chemicals. A Lewis-base Ga4B2O9 was synthesized by high temperature solid state reactions. It exhibited a high yield (90 %) and a high stability in… read more here.
Keywords: knoevenagel condensation; lewis base; base; structure ... See more keywords
Low viscous Protic ionic liquids functionalized with multiple Lewis Base for highly efficient capture of H2S
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2018.04.129
Abstract: Abstract Three kinds of aqueous multiple Lewis base functionalized protic ionic liquids (MLB-PILs) solutions are designed for highly efficient absorption of H2S. These MLB-PILs are tethered with tertiary amine groups on their cations and acetate… read more here.
Keywords: protic ionic; lewis base; ionic liquids; multiple lewis ... See more keywords
High efficiency non-fullerene organic solar cells without electron transporting layers enabled by Lewis base anion doping
Sign Up to like & getrecommendations! Published in 2018 at "Nano Energy"
DOI: 10.1016/j.nanoen.2018.07.022
Abstract: Abstract Interfacial charge extraction and recombination play a critical role in photovoltaic characteristics of organic bulk heterojunction solar cells. Here we propose a methodology based on Lewis base n-doping with tetrabutylammonium acetate (TBAA) salts to… read more here.
Keywords: organic solar; non fullerene; lewis base; without electron ... See more keywords
Enhanced stability and solar cell performance via π-conjugated Lewis base passivation of organic inorganic lead halide perovskites
Sign Up to like & getrecommendations! Published in 2020 at "Organic Electronics"
DOI: 10.1016/j.orgel.2019.105519
Abstract: Abstract High power conversion efficiency (PCE) and good long-term stability of the perovskite solar cell (PSC) are two important factors on its commercial applications. Here, we propose a simple way to improve the PSC performance… read more here.
Keywords: psc; solar cell; lewis base; base ... See more keywords
Atomic-Level Insight into the Postsynthesis Band Gap Engineering of a Lewis Base Polymer Using Lewis Acid Tris(pentafluorophenyl)borane
Sign Up to like & getrecommendations! Published in 2019 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.9b01224
Abstract: In this report, we investigate the binding properties of the Lewis acid tris(pentafluorophenyl)borane with a Lewis base semiconducting polymer, PFPT, and the subsequent mechanism of band gap reduction. Experiments and quantum chemical calculations confirm that… read more here.
Keywords: pentafluorophenyl borane; lewis acid; polymer; lewis base ... See more keywords
Exploring the Limits of Dative Boratrane Bonding: Iron as a Strong Lewis Base in Low-Valent Non-Heme Iron-Nitrosyl Complexes.
Sign Up to like & getrecommendations! Published in 2020 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c01686
Abstract: We previously reported the synthesis and preliminary characterization of a unique series of low-spin (ls) {FeNO}8-10 complexes supported by an ambiphilic trisphosphineborane ligand, [Fe(TPB)(NO)]+/0/-. Herein, we use advanced spectroscopic techniques and density functional theory (DFT)… read more here.
Keywords: feno; lewis base; series; strong lewis ... See more keywords