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Preparation of heterogeneous catalysts with active ferrous centers is of great significance for industrial and environmental catalytic processes. Nanostructured carbon materials, which possess free flowing π electrons, can coordinate with transition metals, provide a confinement environment for catalysis, and act as potential supports or ligands to construct analogous complexes. However, designing such catalysts ...

Recently, Prof. Chunying Chen’s group has successfully revealed the chemical origin of AgNP cytotoxicity by integrating synchrotron radiation (SR) beam transmission X-ray microscopy (SR-TXM) and SR-X-ray absorption near edge structure (SR-XANES) spectroscopy.

Polymer bulk heterojunction (BHJ) solar cells have broad prospect of application because of the advantages of low cost, suitable for mass-production by roll-to-roll, being mechanically flexible and light weight. However, the power conversion efficiency (PCE) of polymer BHJ solar cells still needs to be improved for commercial application. A team from Key Lab of Semiconductor Materials Science in Chinese Academy of...

A team from The State Key Laboratory of Polymer Physics and Chemistry of Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, found that PSVS-g-PE copolymers with low branching density (115-125 branch chains per 10000 backbone carbon atom) showed a microphase-separated structure at the melt state, and a typical rheological characteristic for network-like structure was observed; PSVS-g-PE sample w...

Recently, a group in Tongji University reported the densification processes of metallic glass Ce65Co25Al10 (fabricated by melt-spinning technique) under high pressure both at room temperature (293 K) and 390 K, which is near the glass transition temperature (Tg~396 K), using in situ high-pressure synchrotron X-ray measurements performed at Beamline at Beamline 4W2 of the BSRF in Beijing.

Rare earth doped inorganic crystal has been widely used as an important scintillator in several technologies, such as high energy radiation detection and medical imaging. Recently, with the development of a next generation of time-of-flight PET (Positron Emission Tomography) scanners, it’s urgently demanded that an ultrafast scintillator with shorter decay time and more light output. For this consideration, lanth...
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