N‐Bridged Acyclic Trimeric Poly‐Cyclodiphosphazanes: Highly Tuneable Cyclodiphosphazane Building Blocks

We have synthesized a completely new family of acyclic trimeric cyclodiphosphazane compounds comprising NH, N i Pr, N t Bu and NPh bridging groups. These species possess both a highly tuneable intra‐terminal N(H)R moiety distance that can be readily modulated by varying the steric bulk of the bridging groups, in addition to topological flexibility...

4h

Pb18O8Cl15I5: A Polar Lead Mixed Oxyhalide with Unprecedented Architecture and Excellent Infrared Nonlinear Optical Properties

Noncentrosymmetric Pb18O8Cl15I5, the first mixed oxyhalide in the PbO–PbCl2–PbI2 system, was found to have an unprecedented structural architecture featuring two types of oxocentered Pb–O units with different dimensionality (see picture). Characterization based on the large single crystal revealed that Pb18O8Cl15I5 outperformed AgGaS2 in key properties...

4h

Decarboxylative Borylation of Stabilized and Activated Carbon Radicals

A general decarboxylative borylation protocol of aliphatic and aromatic carboxylic acids has been developed. Both stabilized and activated aryl and alkyl radicals could be generated from the leaving‐group‐assisted N‐hydroxybenzimidoyl chloride esters, even trifluoroethyl substrates could be activated for further elaboration. Abstract Redox‐active...

4h

Refolding of Cold‐Denatured Barstar Induced by Radio‐Frequency Heating: A New Method to Study Protein Folding by Real‐Time NMR Spectroscopy

A state‐of‐the‐art temperature‐jump probe head is used in combination with real‐time 2D NMR experiments to study the kinetics of folding of a cold‐denatured protein. Barstar contains two prolines that adopt a mix of cis and trans conformations in the cold‐denatured state. The high time resolution measurements reported here show evidence for multiple...

4h

Fragment‐Based Stabilizers of Protein–Protein Interactions through Imine‐Based Tethering

A novel concept for optimizing orthosteric protein–protein interaction (PPI) stabilization is reported. Increasing interactions with the protein partner that contributes less to the composite binding pocket of the stabilizer (NF‐κB, red surface) results in increased stabilization, whereas further enhancing the interaction with the dominant partner protein...

4h

B‐Site Co‐Alloying with Germanium Improves the Efficiency and Stability of All‐Inorganic Tin‐Based Perovskite Nanocrystal Solar Cells

CsSn0.6Ge0.4I3 nanocrystals have been synthesized for the first time by a B‐site co‐alloying strategy. The introduction of Ge effectively decreases the high density of intrinsic Sn defects, resulting in an extended excitonic lifetime and enhanced solar cell performance. The stability of the new nanocrystals also improves owing to the effective protection...

4h

Direct Intermediate Regulation Enabled by Sulfur Containers in Working Lithium–Sulfur Batteries

Lithium polysulfide intermediates are directly regulated by the sulfur container PESn in working lithium sulfur batteries. Through reversible storage and release of the sulfur species, the container molecule converts small PSs into large organosulfur species, endowing changed electrochemical behaviors to lithium–sulfur batteries. Abstract Polysulfide...

4h

Suppressing Strong Exciton–Phonon Coupling in Blue Perovskite Nanoplatelet Solids by Binary Systems

The effective suppression of exciton–phonon interactions of blue emissive CsPbBr3 nanoplatelets (NPLs) is realized by constructing binary NPL systems. The exciton–phonon coupling strength can be significantly reduced two times. Additionally, the energy transfer between binary NPLs originated from Förster resonance energy transfer (FRET) effect occurs...

4h

Plattformen für die orale Insulinabgabe: Strategien zur Beseitigung der biologischen Barrieren

Die orale Insulinabgabe ist ein praktisches und wirtschaftliches Mittel zur Behandlung von Diabetes. Dieser Kurzaufsatz bietet einen Überblick über Fortschritte bei der Erleichterung der oralen Insulinabgabe durch Überwinden biologischer Barrieren. Beispiele hierfür sind durch Targeting‐Einheiten vermittelter Transport, CPP‐unterstützte Permeation,...

4h

Electrochemically Induced Metal–Organic‐Framework‐Derived Amorphous V2O5 for Superior Rate Aqueous Zinc‐Ion Batteries

In situ electrochemical induction of crystalline V2O3‐containing MIL‐88B(V) and carbon material yields a composite termed a‐V2O5@C. The a‐V2O5@C composites displays appreciable electrochemical performance due to the unique amorphous structure of V2O5 and its composite state with carbon. Abstract The electrochemical performance of vanadium‐oxide‐based...

4h