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  1. No Access

    Article

    Synthesis, Characterization and Application of Poly(lactic-co-glycolic acid) with a Mass Ratio of Lactic to Glycolic Segments of 52/48

    Poly(lactic-co-glycolic acid)(PLGA) is one of the most representative degradable copolymers and promising drug carriers. In the current paper, the PLGAs with a lactic acid/glycolic acid(LA/GA) molar ratio of 5...

    Chang Qin, **g Dong, Beibei **e, Hongkun Wang… in Chemical Research in Chinese Universities (2023)

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    Article

    Nano-Flower MnO2 Coated Graphene Composite Electrodes for Energy Storage Devices

    Graphene, two-dimensional layers of sp2-bonded carbon, has many unique properties. In this paper, graphene is decorated with flower-like MnO2 nanostructures for the application in energy storage devices. The as-p...

    Qian Cheng, Jie Tang, Jun Ma, Han Zhang, Norio Shinya… in MRS Online Proceedings Library (2011)

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    Article

    Electrical Resistance of Single-Wall Carbon Nanotubes with Determined Chiral Indices

    The properties of a carbon nanotube (CNT), in particular a single-wall carbon nanotube (SWNT), are highly sensitive to the atomic structure of the nanotube described by its chirality (chiral indices). We have ...

    Letian Lin, Lu-Chang Qin, Sean Washburn, Scott Paulson in MRS Online Proceedings Library (2010)

  4. No Access

    Article

    LaB6 Nanowires and Their Field Emission Properties

    For field-induced electron emission, the two factors that enable a high emission current density at low applied voltages are (a) low work function of the emitter and (b) sharpness of the emitter tip. We have d...

    Han Zhang, Jie Tang, Qi Zhang, Gongpu Zhao, Guang Yang… in MRS Online Proceedings Library (2006)

  5. No Access

    Article

    Synthesis, structure and electrochemistry of a copper(II) complex with 1,2-di{o-[o-hydroxy(naphthylideneimino)]phenoxy}ethane

    The title Schiff base ligand, H2L, and its complex [CuL] have been prepared and characterized by elemental analysis and i.r. spectroscopy. The electrochemical properties of the single crystal [CuL]·0.5C2H4Cl2 hav...

    Wen-**ng Zhang, Chang-qin Ma, Shu-feng Si in Transition Metal Chemistry (2001)

  6. No Access

    Article

    Twisting of Single-Walled Carbon Nanotube Bundles

    Bundles of single-walled carbon nanotubes produced by laser ablation are often seen twisted in morphology, forming nanoropes which would better suit the function for improvement of structural stability in mech...

    Lu-Chang Qin, Sumio Iijima in MRS Online Proceedings Library (1999)

  7. No Access

    Article

    Morphology and Electron Emission Properties of Nanocrystalline CVD Diamond Thin Films

    Nanocrystalline diamond thin films have been produced by microwave plasma-enhanced chemical vapor deposition (MPECVD) using C60/Ar/H2 or CH4/Ar/H2 plasmas. Films grown with H2 concentration ≤ 20% are nanocrystall...

    Alan R. Krauss, Dieter M. Gruen, Daniel Zhou… in MRS Online Proceedings Library (1997)