Results 91 to 100 of about 391,526 (305)

Boron beats nitrogen: strained boron–boron bonds as (molecular) proton sponges

open access: yesPhysical Chemistry Chemical Physics
The basicity and the hydrogen bond (HB) acceptor capability of diborane derivatives of dipyrazole 1 with a B–B bond have been studied theoretically using M06-2x and CCSD(T) methods. The proton affinities of 1b reach 1096 kJ mol−1.
Ibon Alkorta   +4 more
openaire   +2 more sources

Catalytic role of boron atoms in self-interstitial clustering in Si [PDF]

open access: yes, 2003
Using density functional theory (DFT) calculations and kinetic simulations, we have investigated the influence of boron atoms on self-interstitial clustering in Si. From DFT calculations of neutral interstitial clusters with a single B atom (BsIn, nIn–1 +
Goddard, William A., III   +1 more
core   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

open access: yesAdvanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He   +5 more
wiley   +1 more source

Typological Parallels and Differences in the Poetry of Taras Shevchenko and Slovak Romantic Poets (Samo Chalupka, Andrej Sládkovič, Janko Kráľ, Ján Botto) [PDF]

open access: yesSlovenska Literatura, 2020
The paper aims at identifying possible typological overlaps between the works of Slovak romantic poets (Samo Chalupka, Andrej Sládkovič, Janko Kráľ, Ján Botto) and the most prominent Ukrainian writer Taras Shevchenko.
Oleksandr Boroň
doaj  

Atomic and electronic structure of nitrogen- and boron-doped phosphorene

open access: yes, 2015
First principle modeling of nitrogen- and boron-doped phosphorene demonstrates the tendency toward formation of highly ordered structures. Nitrogen doping leads to the formation of -N-P-P-P-N- lines.
Boukhvalov, Danil W.
core   +1 more source

Bio‐Inspired Molecular Events in Poly(Ionic Liquids)

open access: yesAdvanced Functional Materials, EarlyView.
Originating from dipolar and polar inter‐ and intra‐chain interactions of the building blocks, the topologies and morphologies of poly(ionic liquids) (PIL) govern their nano‐ and micro‐processibility. Modulating the interactions of cation‐anion pairs with aliphatic dipolar components enables the tunability of properties, facilitated by “bottom‐up ...
Jiahui Liu, Marek W. Urban
wiley   +1 more source

Integration of Low‐Voltage Nanoscale MoS2 Memristors on CMOS Microchips

open access: yesAdvanced Functional Materials, EarlyView.
This article presents the first monolithic integration of nanoscale MoS2‐based memristors into the back‐end‐of‐line of foundry‐fabricated CMOS microchips in a one‐transistor‐one‐resistor (1T1R) architecture. The MoS2‐based 1T1R cells exhibit forming‐free, nonvolatile resistive switching with ultra‐low operating voltages, low cycle‐to‐cycle variability ...
Jimin Lee   +16 more
wiley   +1 more source

Liquid Phase Transmission Electron Microscopy: A Window into the Early Stages of Complex Material Formation

open access: yesAdvanced Functional Materials, EarlyView.
Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum   +5 more
wiley   +1 more source

From Synthesis to Functionality: Borophene's Transformative Potential in Next‐Generation Electrocatalysis and Battery Applications

open access: yesSmall Structures
Borophene, a novel two‐dimensional boron allotrope, has rapidly emerged as a transformative material due to its unique atomic configurations and tunable properties. Its intrinsic electron deficiency gives rise to a diverse range of structural motifs from
Ozden Gunes Yildiz   +3 more
doaj   +1 more source

Tannin resin-boron associations: Leaching and biological resistance [PDF]

open access: yes, 2012
The easy leaching of boron in wood preservation formulations has allowed to use this fungicide only for short term applications. The recently discovered adduct with flavonoids allows boron to resist longer periods of time within wood and consequently ...
Leménager, Nicolas   +5 more
core  

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