ScienceDirect Search Alert: Graphene Research

Search alert: Graphene Research

5 New articles available on ScienceDirect

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Binding of carbon coated nano-silicon in graphene sheets by wet ball-milling and pyrolysis as high performance anodes for lithium-ion batteries   Original Research Article Journal of Power Sources, Volume 318, 30 June 2016, Pages 113-120 Wei Sun, Renzong Hu, Miao Zhang, Jiangwen Liu, Min Zhu Graphical abstract Synthesis of one-dimensional gold nanostructures and the electrochemical application of the nanohybrid containing functionalized graphene oxide for cholesterol biosensing   Original Research Article Bioelectrochemistry, Available online 10 April 2016, Pages Seetharamaiah Nandini, Seetharamaiah Nalini, M.B. Madhusudana Reddy, Gurukar Shivappa Suresh, Jose Savio Melo, Pathappa Niranjana, Jakkid Sanetuntikul, Sangaraju Shanmugam Graphical abstract Image 3 One-pot electrodeposition of a composite film of glucose oxidase, imidazolium alkoxysilane and chitosan on a reduced graphene oxide–Pt nanoparticle/Au electrode for biosensing   Original Research Article Journal of Electroanalytical Chemistry, Available online 10 April 2016, Pages Feng Wu, Ting Huang, Yangjian Hu, Xin Yang, Qingji Xie Graphical abstract Image 1 Au/ZnO hybrid nanocatalysts impregnated in N-doped graphene for simultaneous determination of ascorbic acid, acetaminophen and dopamine   Original Research Article Materials Science and Engineering: C, Available online 10 April 2016, Pages Xianlan Chen, Guowei Zhang, Ling Shi, Shanqing Pan, Wei Liu, Hiabo Pan Graphical abstract A novel Au/ZnO/N-doped graphene hybrid nanostructure was synthesized for the electrochemical evaluation of AA, DA and AC. The formation of N-doped graphene uses hydrothermal method with urea as reducing agent and nitrogen source. Moreover, Au nanoparticles deposited on ZnO nanocrystals surface, forming Au/ZnO hybrid nanocatalysts, undergo a super-hydrophobic to superhydrophilic conversion. We present Au/ZnO hybrid nanocatalysts impregnated in N-doped graphene sheets through sonication technique. In comparison to N-doped graphene/GCE, Au/ZnO/N-doped graphene/GCE provides superior performance in terms of peak potential and current in CV and DPV measurements. The observed low oxidation potential and the high oxidation current for AA, DA and AC could be attributed to the synergetic effect between N-doped graphene and Au/ZnO hybrid nanocatalysts, and the small Au nanoparticles located on ZnO nanocrystals can effectively decrease their oxidation and be conducive to the separation of the three species, and may result in higher oxidation currents. The peak separations between AA and DA, DA and AC, and AC and AA are large up to 195, 198 and 393mV, respectively. The calibration curves for AA, DA and AC were obtained in the range of 30.00–13.00×103, 2.00–0.18×103 and 5.00–3.10×103μM, respectively. The detection limits (S/N=3) were 5.00, 0.40 and 0.80μM for AA, DA and AC, respectively.Image 1 Poly(zwitterionic liquids) functionalized polypyrrole/graphene oxide nanosheets for electrochemically detecting dopamine at low concentration   Original Research Article Materials Science and Engineering: C, Available online 10 April 2016, Pages Hui Mao, Jiachen Liang, Chunguang Ji, Haifeng Zhang, Qi Pei, Yuyang Zhang, Yu Zhang, Yoshio Hisaeda, Xi-Ming Song Graphical Abstract Novel poly(zwitterionic liquids) functionalized polypyrrole/graphene oxide nanosheets were successfully synthesized and presented an excellent performance for determination to DA.Image 1 Access all 5 new results in ScienceDirect for : TITLE(graphene) and TITLE-ABSTR-KEY(graphene)

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