博士学位论文
利用双光子光电子能谱和扫描隧道显微镜研究 TiO2(110)表
面醇类光化学反应
作者姓名：
指导教师:
马志博
杨学明
院士
中国科学院大连化学物理研究所
学位类别:
理学博士
学科专业:
物理化学
培养单位:
中国科学院大连化学物理研究所
二 0 一二年十月
Studies on alcohol/TiO2(110) system by two-photon
photoemission spectroscopy and low-temperature scanning
tunneling microscope
By
Zhibo Ma
A Dissertation Submitted to
Graduate University of Chinese Academy of Sciences
In partial fulfillment of the requirement
For the degree of
Doctor of Science
State Key Laboratory of Molecular Reaction Dynamics
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
October, 2012
书脊
利
用
双
光
子
光
电
子
能
谱
和
扫
描
隧
道
显
微
镜
研
究
表
面
醇
类
光
化
学
反
应
马
志
博
中
科
院
大
学
致谢
致
谢
博士的六年，是我人生中最重要的一段时光，是青春岁月里最无悔的片段。
在这六年里，我遇到了名师，结交了挚友，学习了知识，磨练了性格，相比当年
那个初出校门的懵懂少年，回首这些年的收获，与身边的人对我的帮助是分不开
的。
。。。
（签名位置）
2012 年 10 月
摘 要
摘
要
在表面科学中，常应用多种实验手段从不同角度对体系进行研究，其中光电
子能谱和扫描隧道显微镜就是很重要的两种探测方式。本文作者在博士研究期间
搭建了一台时间分辨的飞秒双光子光电子能谱装置(Two-Photon Photoemission，
2PPE)以及一套低温扫描隧道显微镜装置(Low-Temperature Scanning Tunneling
Microscope )，主要研究开展在醇类、水等小分子在金红石型二氧化钛(110)面的
光化学动力学方面。
xxxxxxxxxxxxxx
。。。。
关键词：xxx，xxx，xxx，xxx，xxx
I
利用双光子光电子能谱和扫描隧道显微镜研究 TiO2(110)表面醇类光化学反应
ABSTRACT
Photoemission spectroscopy (PES) and scanning tunneling microscope (STM)
are two powerful techniques for researching reactions in surface science. In this thesis,
We built a two-photon photoemission spectroscopy(2PPE) and a low-temperature
scanning tunneling microscope(LT-STM) for researching alcohol and water on rutile
TiO2(110).
xxx
...............
Keywords: xxx，xxx，xxx，xxx，xxx
II
目
录
目录
摘 要............................................................................................................................ I
ABSTRACT .................................................................................................................. II
1.引言............................................................................................................................. 1
1.1 表面化学和表面分析技术的发展................................................................... 1
1.2 TiO2 表面光化学的研究背景 .......................................................................... 1
2. 时间分辨双光子光电子能谱装置........................................................................... 7
2.1 飞秒激光光源.................................................................................................. 1
2.1.1 Ti:Sapphire 飞秒激光振荡器 ............... Error! Bookmark not defined.
2.1.2 倍频装置.............................................. Error! Bookmark not defined.
2.1.3 Mach-Zehnder 干涉仪 .......................... Error! Bookmark not defined.
2.1.4 色散补偿.............................................. Error! Bookmark not defined.
2.1.5 飞秒激光器放大器系统...................... Error! Bookmark not defined.
2.2 超高真空腔体................................................ Error! Bookmark not defined.
2.2.1 超高真空的获得.................................. Error! Bookmark not defined.
2.2.2 真空腔体部件介绍.............................. Error! Bookmark not defined.
2.3 电子能量分析装置........................................ Error! Bookmark not defined.
2.3.1 角分辨双光子光电子能谱原理.......... Error! Bookmark not defined.
2.3.2 半球能量分析器.................................. Error! Bookmark not defined.
3. 金红石型二氧化钛................................................. Error! Bookmark not defined.
3.1 金红石晶体的晶体结构................................ Error! Bookmark not defined.
3.2 金红石晶体（110）晶面的电子谱能带结构Error!
Bookmark
not
defined.
3.3 金红石 TiO2(110)表面的 STM 结构 ............ Error! Bookmark not defined.
3.4 金红石 TiO2(110)的制备和表征 .................. Error! Bookmark not defined.
4. ROH/TiO2(110)体系的光催化解离研究 ................ Error! Bookmark not defined.
4.1 体系研究背景................................................ Error! Bookmark not defined.
4.2 实验方法介绍................................................ Error! Bookmark not defined.
4.3 CH3OH/ TiO2(110)体系的双光子光电子能谱结果Error! Bookmark not
defined.
4.3.1 CH3OH/ TiO2(110)体系光电子能谱随光照时间的变化 .............Error!
Bookmark not defined.
4.3.2 CH3OH/TiO2(110)体系中的同位素效应Error!
III
Bookmark
not
利用双光子光电子能谱和扫描隧道显微镜研究 TiO2(110)表面醇类光化学反应
defined.
4.3.3 CH3OH/TiO2(110)体系中表面激发态的本质Error! Bookmark not
defined.
4.3.4 CH3OH/TiO2(110)体系光解离效率与表面还原性的相关性...Error!
Bookmark not defined.
4.3.5 CH3OH/ TiO2(110)体系光解离效率与激发光波长的相关性 .....Error!
Bookmark not defined.
4.4 不同激发光源下的光解离过程.................... Error! Bookmark not defined.
4.4.1 飞秒激光放大器简介.......................... Error! Bookmark not defined.
4.4.2 放大器 400nm、266nm 光源激发下的反应性Error! Bookmark not
defined.
4.5 乙醇在 TiO2(110)表面的光化学研究 .......... Error! Bookmark not defined.
5. 扫描隧道显微学简介............................................. Error! Bookmark not defined.
5.1 扫描隧道显微镜............................................. Error! Bookmark not defined.
5.1.1 扫描隧道显微镜的发明、发展........... Error! Bookmark not defined.
5.1.2 扫描隧道显微镜的工作原理和实验方法Error!
Bookmark
not
defined.
5.2 扫描隧道显微学基本原理............................. Error! Bookmark not defined.
5.2.1 电子隧穿与一维隧穿模型.................. Error! Bookmark not defined.
5.2.2 Bardeen 微扰理论 ................................ Error! Bookmark not defined.
5.2.3 Tersoff-Hamann 近似 ........................... Error! Bookmark not defined.
6. 低温扫描隧道显微镜实验装置............................. Error! Bookmark not defined.
6.1 实验装置介绍................................................ Error! Bookmark not defined.
6.1.1 真空系统.............................................. Error! Bookmark not defined.
6.1.2 扫描隧道显微镜腔体（LT 腔体） .... Error! Bookmark not defined.
6.1.3 表面制备腔体...................................... Error! Bookmark not defined.
6.1.4 气体吸附装置...................................... Error! Bookmark not defined.
6.2 实验装置配套基础建设................................ Error! Bookmark not defined.
6.2.1 防振土建.............................................. Error! Bookmark not defined.
6.2.2 防振动电磁屏蔽间.............................. Error! Bookmark not defined.
6.2.3 设备接地及配电.................................. Error! Bookmark not defined.
6.3 实验数据........................................................ Error! Bookmark not defined.
7. 总结和展望............................................................. Error! Bookmark not defined.
参考文献...................................................................................................................... 92
IV
目
录
作者简介及在学期间发表的学术论文与研究成果................................................ 101
III
1.引言
1.引言
1.1xxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxx
1.2 xxxxxxxxxxxxxxxxx
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1
利用双光子光电子能谱和扫描隧道显微镜研究 TiO2(110)表面醇类光化学反应
2
利用双光子光电子能谱和扫描隧道显微镜研究 TiO2(110)表面醇类光化学反应
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作者简介及在学期间发表的学术论文与研究成果
作者简介及在学期间发表的学术论文与研究成果
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