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首页> 外文期刊>RSC Advances >XPS and Raman study of the active-sites on molybdenum disulfide nanopetals for photocatalytic removal of rhodamine B and doxycycline hydrochlride
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XPS and Raman study of the active-sites on molybdenum disulfide nanopetals for photocatalytic removal of rhodamine B and doxycycline hydrochlride

机译：XPS和拉曼研究二硫化钼纳米花瓣上的活性部位用于光催化去除若丹明B和强力霉素氢氯化物

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摘要

Molybdenum disulfide (MoS _(2) ) nanopetals were successfully synthesized by hydrothermal method (sample without sintering) and then sintered at different temperature (sintered samples). The products were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), nitrogen (N _(2) ) adsorption analyses for Brunauer–Emmett–Teller (BET) specific surface area measurements, X-ray photoelectron spectrum (XPS) and Raman spectrum. XRD pattern indicated that the samples can be indexed to hexagonal phase 2H-MoS _(2) . SEM and TEM images showed that the sintered MoS _(2) nanopetals had sizes ranging from 150 to 300 nm with almost the same morphology. The pore structure and surface area were nearly the same for the three sintered MoS _(2) nanopetals. Interestingly, XPS and Raman spectra implied that there was a few 1T-phase in the MoS _(2) nanopetals which enhanced the photocatalytic performance greatly when sintered at low temperature.
机译：通过水热法成功地合成了二硫化钼（MoS_（2））纳米花瓣（未经烧结的样品），然后在不同温度下进行了烧结（烧结样品）。通过X射线粉末衍射（XRD），扫描电子显微镜（SEM），透射电子显微镜（TEM），氮气（N _（2））吸附分析来表征产品，用于布鲁瑙尔-埃米特-泰勒（BET）比表面积测量，X射线光电子能谱（XPS）和拉曼光谱。 XRD图谱表明样品可以标为六方相2H-MoS _（2）。 SEM和TEM图像显示，烧结的MoS_（2）纳米花瓣的尺寸在150至300 nm之间，并且形态几乎相同。三种烧结的MoS _（2）纳米花瓣的孔结构和表面积几乎相同。有趣的是，XPS和拉曼光谱表明在MoS _（2）纳米花瓣中有一些1T相，这在低温下烧结时大大提高了光催化性能。

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