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Preparation of Patterned and Multilayer Thin Films for Organic Electronics via Oxygen‐Tolerant SI‐PET‐RAFT

Surface-initiated polymerization is used to create the multilayer architectures of 3rd- and 4th-generation OLEDs using photoinduced electron transfer reversible addition fragmentation chain transfer (PET-RAFT) polymerization. Direct photomasking and digital projection lithography allow for complex patterning at low cost. Abstract An oxygen-tolerant...

Continuous Flow Z‐Stereoselective Olefin Metathesis: Development and Applications in the Synthesis of Pheromones and Macrocyclic Odorant Molecules**

The first continuous flow Z-stereoselective olefin metathesis was described with a set of Z-stereoselective Ru-catalysts. Good productivity and excellent Z-selectivity (up to >99 %) were obtained in the formation of various internal olefins including highly desirable pheromones and macrocyclic odorant molecules. A telescoped Z-selective cross-metathesis/Dieckmann...

Hydroxyfluorooxoborate Na[B3O3F2(OH)2]⋅[B(OH)3]: Optimizing the Optical Anisotropy with Heteroanionic Units for Deep Ultraviolet Birefringent Crystals

The first sodium hydroxyfluorooxoborate Na[B3O3F2(OH)2]⋅[B(OH)3] has been characterized as a new deep-UV birefringent crystal. Two rare heteroanionic units, [B3O3F2(OH)2] and [B(OH)3], are optimally aligned to induce large optical anisotropy and also the dangling bonds are eliminated with O−H bonds, which makes Na[B3O3F2(OH)2]⋅[B(OH)3] have a large...

Plasma Tuning Local Environment of Hexagonal Boron Nitride for Oxidative Dehydrogenation of Propane

Plasma (N2, O2, H2, Ar) regulated h-BN with distinct local environment were obtained and employed for ODH of propane: N2 treated BN containing more three-boron center nitrogen-defects exhibited remarkable propane conversion of 26.0 % with olefin selectivity of 89.4 % at 520 °C. O2 treated BN showed deactivation due to the sintering effect of “BO ...

Particle‐by‐Particle In Situ Characterization of the Protein Corona via Real‐Time 3D Single‐Particle‐Tracking Spectroscopy**

3D single-particle-tracking microscopy combined with a lock-in filtering algorithm for the quantitative observation of individual protein–nanoparticle (NP) interactions without surface immobilization is presented. This highly sensitive method, which can be applied in various protein–NP systems, gives insight into in situ protein corona on a per-particle...

Beyond Takai's Olefination Reagent: Persistent Dehalogenation Emerges in a Chromium(III)‐μ3‐Methylidyne Complex

The methylidyne complex [CrIII 3Cl3(μ-Cl)3(μ3-CH)(thf)6] displays the ultimate product of the CrCl2/CHI3 redox reaction, significantly affecting carbonylic group transformation; the trimetallic compound also exhibits unusual magnetic behavior and provides ready access to half-sandwich clusters. Abstract Reaction of CHI3 with six equivalents...

Few‐Unit‐Cell MFI Zeolite Synthesized using a Simple Di‐quaternary Ammonium Structure‐Directing Agent

A simple di-quaternary ammonium cation was used as structure-directing agent to prepare few-unit-cell (ca. 10 nm) MFI type zeolite catalysts and adsorbents with a wide range of composition (pure silica, aluminosilicate and stannosilicate). The SDA design was selected based on simple heuristic arguments regarding contributions of its structural elements...

Regulation of SEI Formation by Anion Receptors to Achieve Ultra‐Stable Lithium‐Metal Batteries

A small amount of TMSB molecules are found to effectively optimize SEI via EDL structure regulation. It is their preferable adsorption on the Li-metal surface and their attraction to PF6 − ions result in a high-local ion concentration in the EDL region, thus forming an inorganic-rich SEI and demonstrating superior performance. Abstract Despite...

Enantioselective Addition of Pyrazoles to Dienes**

The first enantioselective addition of pyrazoles to 1,3-dienes is reported. Secondary and tertiary allylic pyrazoles can be generated with excellent regioselectivity. Abstract We report the first enantioselective addition of pyrazoles to 1,3-dienes. Secondary and tertiary allylic pyrazoles can be generated with excellent regioselectivity. Mechanistic...

Michal Sharon

“The biggest challenge facing scientists is navigating in the unknown … My favorite molecule is the proteasome complex …” Find out more about Michal Sharon in her Introducing … Profile.

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