| C2H2,C2H4与K在Ru(1010)表面上共吸附的UPS研究 |
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| 引用本文： | 张建华,吴悦,庄友谊,张寒洁,汪健,李海洋,何丕模,鲍世宁,刘凤琴,奎热西·易卜拉欣,钱海杰. C2H2,C2H4与K在Ru(1010)表面上共吸附的UPS研究[J]. 物理学报, 2001, 50(6): 1189-1192 |
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| 作者姓名： | 张建华 吴悦 庄友谊 张寒洁 汪健 李海洋 何丕模 鲍世宁 刘凤琴 奎热西·易卜拉欣 钱海杰 |
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| 作者单位： | (1)浙江大学物理系,杭州310027; (2)中国科学院高能物理研究所同步辐射实验室,北京100039 |
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| 基金项目： | 国家自然科学基金(批准号:19874053);浙江省自然科学基金(批准号:198022);国家高技术“863”计划惯性约束聚变技术主题资助的课题. |
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| 摘 要： | 利用紫外光电子谱(UPS)对乙烯(C2H4)和乙炔(C2H2)气体在Ru(1010)表面的吸附及与K的共吸附进行了研究,实验结果表明:当衬底温度超过200K,乙烯即发生脱氢反应后,σCH和σCC能级均向高结合能方向移动.在室温下,σCH和σCC能级位置与乙炔在Ru(1010)表面的吸附时的分子能级完全一致.乙烯发生脱氢反应后的主要产关键词：乙烯乙炔钾Ru(1010)表面
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| 关 键 词： | 乙烯 乙炔 钾 Ru(1010)表面 |
| 收稿时间： | 2000-08-25 |
| 修稿时间： | 2000-08-25 |
THE UPS STUDY OF ETHYLENE AND ACETYLENE CO-ADSORPTION WITH K ON Ru(1010) SURFACE |
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| ZHANG JIAN-HUA,WU YUE,ZUANG YOU-YI,ZHANG Han-jie,WANG JIAN,Li Hai-Yang,HE PI-MO,BAO SHI-NING,Liu Feng-qin,Y.KUIREXI,QIAN Hai-Jie. THE UPS STUDY OF ETHYLENE AND ACETYLENE CO-ADSORPTION WITH K ON Ru(1010) SURFACE[J]. Acta Physica Sinica, 2001, 50(6): 1189-1192 |
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| Authors: | ZHANG JIAN-HUA WU YUE ZUANG YOU-YI ZHANG Han-jie WANG JIAN Li Hai-Yang HE PI-MO BAO SHI-NING Liu Feng-qin Y.KUIREXI QIAN Hai-Jie |
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| Abstract: | The ethylene (C2H4)and acetylene (C2H2)co-adsorbed with K on Ru(1010)surface has been studied by using ultraviolet spectroscopy(UPS).The results show that ethylene (C2H4) is absorbed in molecular state on Ru(1010)surface stably below 200K.The dehydrogenated of ethylene occurs at 200K.The main product of the dehydrogenation of the absorbed ethylene (C2H4)is the acetylene (C2H2).After the dehydrogenation of the absorbed ethylene(C2H4),the binding energies of σCC and σCH bonds have an increase of 0.2eV and 0.5eV respectively.The acetylene is absorbed in molecular state on Ru(1010)surface stably at room temperature.On a K pre-covered surface,the σCC peak disappears at room temperature.The element K promotes the dissociation of acetylene on Ru(1010)surface. |
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| Keywords: | ethylene acetylene K Ru(1010)surface |
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