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Fluorescence lifetime experiments were performed by using the time-correlated single-photon counting (PicoHarp 300 TCSPC) system with right-angle sample geometry. A picosecond diode laser (PDL 800-B) was used to excite the samples. The minimum pulse width is 50 ps. The detection system uses a photomultiplier tube from Picoquant (R3809U-50) with an instrument response time less than 250 ps. Powder X-ray diffraction (XRD) was performed on a X0Pert PRO, PANalytical, with Cu-Ka radiation operating at 40 kV and 40 mA.X-ray photoelectron spectroscopy data were obtained with an ESCALab220i-XL electron spectrometer from VG Scientific using 300 W AlKa radiation. The base pressure was about 3 *10^9 mbar. The binding energies were referenced to the C1s line at 284.6 eV from adventitious carbon. Field-emission scanning electron microscopy (SEM) measurements were performed by using a Hitachi S-4800 scanning electron microscope (Hitachi,Japan). The electrochemical property measurement was per-formed in a three-compartment system on a CHI660C electro-chemical analyser (CH Instruments, China). |
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糖太甜521: 金币+6, 翻译EPI+1, ★★★★★最佳答案 2014-10-23 17:07:39
糖太甜521: 金币+6, 翻译EPI+1, ★★★★★最佳答案 2014-10-23 17:07:39
| 荧光寿命实验，使用时间相关单光子计数（PicoHarp300 TCSPC）系统以直角样品的几何形状进行。用皮秒激光二极管（PDL800-B）激发样品。最小脉冲宽度为50皮秒。该检测系统使用的光电倍增管来自Picoquant（R3809U-50），仪器响应时间小于250皮秒。用具有Cu-Kα辐射，在40千伏和40 mA 工作的X0Pert PRO，PANalytical进行粉末X射线衍射（XRD）实验，X射线光电子能谱法数据由来自于VG科技公司的ESCALab220i-XL电子能谱仪获得，使用条件为300 W AlKa辐射。基础压强为约3*10^9毫巴。结合能分别参考了C1s的线从不定碳284.6 eV。用Hitachi S-4800扫描电子显微镜（日立公司，日本）上进行场发射扫描电子显微镜（SEM）测量。用CHI660C电化学分析仪（CH仪器，中国）的三室系统进行电化学性能测定。 |
2楼2014-10-23 08:36:35
