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Electrocatalytic hydrogen evolution reaction (HER) is a promising way to produce pure and clean hydrogen. However, the preparation of efficient and economical catalysts for pH‐universal HER remains a challenging but rewarding task. Herein, ultrathin RuZn nanosheets (NSs) with moiré superlattices and abundant edges are synthesized. The RuZn NSs with unique structure exhibit superb HER performance with...
MoS2 Nanoflowers
Scanning electron microscopy of hydrothermally synthesized MoS2 reveals a morphology well‐described by nanoflowers (see article number 2200393 by Carla Bittencourt and colleagues). Chemical analysis of the nanoflowers shows the presence of 2H‐MoS2 and MoOx, the excess of oxygen atoms being detrimental to electronic and optical properties. Ion irradiation can be used for changing...
The influence of low kinetic energy hydrogen ion irradiation on the chemical composition and luminescence intensity of MoS2 nanoflowers (NFs) hydrothermally synthesized is reported. X‐ray photoelectron spectroscopy (XPS) core‐level analysis of the as‐synthesized MoS2 NFs reveals the presence of the 2H‐MoS2 (semiconductor) crystal phase and MoOx. Furthermore, the relative amounts of oxygen and potassium...