Lingdi Shen

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In this paper, highly porous polyacrylonitrile (PAN) nanofibrous membranes were successfully fabricated by wet-electrospinning technique from PAN and poly(vinyl pyrrolidone) (PVP) blended solution using hot water bath as extractor, and then aminated with diethylene triamine (DETA). The obtained aminated PAN (APAN) nanofibrous mats showed unique micro/nano(More)
germanium on silicon platform L. Shen, N. Healy, C. J. Mitchell, J. S. Penades, M. Nedeljkovic, G. Z. Mashanovich and A. C. Peacock Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, United Kingdom Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and(More)
This paper presents an overview of the Beijing government’s policy and implementation on primary English curriculum reform. TEYL in Beijing is undergoing an important phase of innovation along with challenges featured by differences in quality of teaching and learning between urban and rural areas due to shortage of qualified teachers and high quality(More)
Ag-coated polyacrylonitrile (PAN) nanofibers have been prepared by a novel, facile and green way that combined electrospinning technique and poly(dopamine)-assisted electroless plating method. Poly(dopamine) (PDOP) was formed by oxidation polymerization of dopamine on the surface of PAN nanofibers to promote the electroless plating of silver. Scanning(More)
Integrated electrospun nanofibrous membrane was prepared by creating soldered junctions between nanofibers via a facile strategy. Polyacrylonitrile (PAN) mixed with poly(vinylidene fluoride) (PVDF) at different ratios of PVDF were prepared in N,N'-dimethyl formamide (DMF), then electrospun to fabricate PAN/PVDF membranes. PVDF can form microgels in DMF(More)
Combined with the features of electrospun nanofibers and the nature of hydrogel, a novel choreographed poly(acrylic acid)-silica hydrogel nanofibers (PAA-S HNFs) scaffold with excellent rare earth elements (REEs) recovery performance was fabricated by a facile route consisting of colloid-electrospinning of PAA/SiO2 precursor solution, moderate thermal(More)
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