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| ???org.dspace.app.webui.jsptag.ItemTag.dcfield??? | Value | Language |
|---|---|---|
| dc.contributor.advisor | 林敏聰 | |
| dc.contributor.author | Kai-Jheng Yang | en |
| dc.contributor.author | 楊凱政 | zh_TW |
| dc.date.accessioned | 2021-06-07T17:47:56Z | - |
| dc.date.copyright | 2013-07-03 | |
| dc.date.issued | 2013 | |
| dc.date.submitted | 2013-05-20 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/15560 | - |
| dc.description.abstract | 我們在金(111)基底上結合有機分子苝四甲酸二酐和鐵原子在超高真
空環境下,可以自組裝成鐵-苝四甲酸二酐不同結構,藉由掃描穿隧顯 微鏡我們可以觀察到像是鍊狀,梯子狀或網狀.再比較苝四甲酸二酐 在金(111)上和鐵-苝四甲酸二酐在金(111)之掃描穿隧能譜,發現了 峰值偏移.為了近一步了解此現象,我們比較鐵-苝四甲酸二酐網狀結 構中不同位置的苝四甲酸二酐掃描穿隧能譜,得到了苝四甲酸二酐連 接更多鐵原子會有更大的峰值偏移,所以得到了鐵-苝四甲酸二酐具 有電荷轉移的現象,並且連接更多鐵原子電荷轉移越多. | zh_TW |
| dc.description.abstract | We combine organic molecules of 3,4,9,10-perylenetetracarboxylic(PTCDA) with iron atoms on an Au (111) substrate in ultra-high vacuum conditions, we can measuring Fe-PTCDA ladder ,chain, and network by scanning tunneling microscopy(STM). By scanning tunneling spectroscopy (STS), Fe-PTCDA network and pure PTCDA on Au (111) have peak shift compare with pure PTCDA on Au (111).
In order to understand this we compare the STS curves of PTCDA molecule connect with different number of adjacent molecules and discover this will influence the charge transfer. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-07T17:47:56Z (GMT). No. of bitstreams: 1 ntu-102-R99245015-1.pdf: 3879262 bytes, checksum: 712a84b73c064cfc46c2cebf8290b979 (MD5) Previous issue date: 2013 | en |
| dc.description.tableofcontents | Contents
Abstract iii 1 Introduction 1 2 Basic Concept 2 2.1 Au(111) Reconstruction . . . . . . . . . . . . . 2 2.2 PTCDA molecule . . . . . . . . . . . . . . . . . 2 2.3 Principle of Scanning Tunneling Microscopy . . . 3 3 Experiment Apparatus 9 3.1 Ultrahigh Vacuum (UHV) System . .. . . . . . . . 9 3.1.1 Ar+ Sputtering Gun . . . . . . . . . . . . . 11 3.1.2 Annealing Device . . . . . . . . . . . . . . 11 3.1.3 Organic Molecule Deposition Gun . . . . . . . 11 3.1.4 Molecular Beam Epitaxy (MBE) Gun . .. . . . . 14 3.2 Preparation of STM Tip . . . . . . .. . . . . . 14 3.3 Scanning Tunneling Microscopy (STM) and Spectroscopy (STS) . . . . . . . . . . . . . . . . . . . . . . . 17 4 Self Assembly structure of Fe-PTCDA/Au(111) 20 4.1 Preparation Process of Sample . . . . . . . . . 20 4.2 PTCDA/Au(111) Self-Assembly . . . . . . . . . . 21 4.3 Fe-PTCDA/Au(111) Growth Mode . . . . . . . . . 21 4.3.1 Fe-PTCDA Chain . . . . . . . . . . . . . . . 22 4.3.2 Fe-PTCDA Ladder . . . . . . . . . . . . . . . 22 4.3.3 Fe-PTCDA Network . . . .. . . . . . . . . . . 23 5 Investigating Fe-PTCDA on Au(111) Charge Transfer 27 5.1 PTCDA on Au(111) . . . . . . . . . . . . . . . .27 5.2 Fe-PTCDA chain on Au(111) . . . . . . . . . . . 28 5.3 Fe-PTCDA network on Au(111) . . . . . . . . . . 29 6 Discussion and Conclusion 35 | |
| dc.language.iso | en | |
| dc.subject | 最低未占分子軌道 | zh_TW |
| dc.subject | 苝 | zh_TW |
| dc.subject | 自組裝 | zh_TW |
| dc.subject | 四甲酸二酐 | zh_TW |
| dc.subject | 描穿隧顯微鏡 | zh_TW |
| dc.subject | 掃描穿隧能譜 | zh_TW |
| dc.subject | 電荷轉移 | zh_TW |
| dc.subject | Self-assembly | en |
| dc.subject | PTCDA | en |
| dc.subject | STM | en |
| dc.subject | STS | en |
| dc.subject | Charge Transfer | en |
| dc.subject | LUMO | en |
| dc.title | 利用掃描穿隧顯微鏡探討鐵-苝四甲酸二酐在金(111)上自組裝結構和電荷轉移 | zh_TW |
| dc.title | Investigating Fe-PTCDA On Au(111) Self-Assembly Structure And
Charge Transfer by Scanning Tunneling Microscopy | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 101-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 江文中,林昭吟 | |
| dc.subject.keyword | 苝,四甲酸二酐,描穿隧顯微鏡,掃描穿隧能譜,電荷轉移,最低未占分子軌道,自組裝, | zh_TW |
| dc.subject.keyword | PTCDA,STM,STS,Charge Transfer,LUMO,Self-assembly, | en |
| dc.relation.page | 38 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2013-05-21 | |
| dc.contributor.author-college | 理學院 | zh_TW |
| dc.contributor.author-dept | 應用物理所 | zh_TW |
| Appears in Collections: | 應用物理研究所 | |
Files in This Item:
| File | Size | Format | |
|---|---|---|---|
| ntu-102-1.pdf Restricted Access | 3.79 MB | Adobe PDF |
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