KAKEN — Research Projects | Researcher Number: 90432468

Search Results: 9 results / Researcher Number: 90432468

Display:

1. Observation of hole-dynamics in p-type organic semiconductor films by time-resolved photoelectron spectroscopy

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 32020:Functional solid state chemistry-related
Research Institution	Osaka Metropolitan University
Principal Investigator	渋田昌弘大阪公立大学, 大学院工学研究科, 准教授
Project Period (FY)	2023-04-01 – 2027-03-31Granted
Keywords	時間分解光電子分光 / 有機半導体 / 超高速ダイナミクス / 電子状態 / フェムト秒レーザー
Outline of Research at the Start	有機半導体薄膜を積層することで構築する有機デバイスの機能は、基板電極あるいは有機ヘテロ界面における超高速キャリアダイナミクスに支配されている。本研究では、p-type有機半導体薄膜と基板との界面における活性キャリア(正孔)の超高速ダイナミクスを実時間で観測する方法論を開発する。この目的のために、時間 ...
Outline of Annual Research Achievements	本研究では、p-type有機半導体薄膜と基板との界面における活性キャリア（正孔）の超高速ダイナミクスを実時間で観測する方法論を開発し、得られた情報に基づいて有機デバイス等の機能を能動的にデザインする指針を示す。
Current Status of Research Progress	2: Research has progressed on the whole more than it was originally planned.

Research Products of this project	Journal Article (4 results, of which Peer Reviewed: 1 results, Open Access: 1 results) Presentation (23 results, of which Int'l Joint Research: 9 results, Invited: 4 results) Remarks (2 results) Patent(Industrial Property Rights) (1 results)

2. Study on the Gap Renormalization and the Property Change for Molecules Adsorbed on Surfaces

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 32010:Fundamental physical chemistry-related
Research Institution	Osaka University
Principal Investigator	Kato Hiroyuki 大阪大学, 大学院理学研究科, 准教授
Project Period (FY)	2020-04-01 – 2024-03-31Completed
Keywords	HOMO-LUMOギャップ / 導電特性 / 光学特性 / 光電子分光法 / 走査トンネル顕微/分光法 / 差分反射分光法 / 光電子分光 / 光学吸収
Outline of Research at the Start	分子超薄膜内を電荷が移動するとき、最高占有軌道(HOMO)/最低非占有軌道(LUMO)には符号の異なる電荷（それぞれ正孔/電子）が流れるため、電極基板から受ける静電的な相互作用が異なり、両分子軌道間のエネルギー準位差が変化する。これはギャップリノーマリゼーションと呼ばれしばしば議論されてきたが、未だ ...
Outline of Final Research Achievements	In charge transport through molecular films, the highest occupied orbital (HOMO) and lowest unoccupied orbital (LUMO) levels receive different electro ...

Research Products of this project	Journal Article (10 results, of which Int'l Joint Research: 2 results, Peer Reviewed: 9 results) Presentation (26 results, of which Int'l Joint Research: 7 results)

3. Dynamical Approach to Investigate Transition State on the Surface Chemical Reactions

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Transition State Control
Research Institution	Osaka University
Principal Investigator	Yamada Takashi 大阪大学, 理学研究科, 助教
Project Period (FY)	2017-07-18 – 2021-03-31Completed
Keywords	光化学反応 / 遷移状態 / ２光子光電子分光 / 走査トンネル顕微鏡 / 単分子膜 / 有機半導体 / 蛍光 / 2光子光電子分光 / 芳香族炭化水素 / 励起子 / ダイナミクス / 非占有準位 / 固体表面 / 非占有電子状態 / 表面化学反応 / 時間分解2光子光電子分光 / 電子励起遷移状態 / 有機超薄膜 / 遷移状態制御
Outline of Final Research Achievements	On the photochemical reactions occurring on the solid surfaces, charge injection from the surface to the molecule can be a trigger to start the reacti ...

Research Products of this project	Int'l Joint Research (3 results) Journal Article (11 results, of which Int'l Joint Research: 2 results, Peer Reviewed: 11 results, Open Access: 2 results) Presentation (29 results, of which Int'l Joint Research: 8 results, Invited: 4 results) Remarks (6 results) Funded Workshop (1 results)

4. Development of STM-based Helium-free spectroscopy and measurements for electronic states of organic semiconductors

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Physical chemistry
Research Institution	Osaka University
Principal Investigator	Yamada Takashi 大阪大学, 理学研究科, 助教
Project Period (FY)	2016-04-01 – 2019-03-31Completed
Keywords	表面 / 走査トンネル顕微鏡 / 有機半導体 / 非占有準位 / 2光子光電子分光 / 電子状態 / 単一分子 / 単一分子分光
Outline of Final Research Achievements	The electronic states of the organic semiconductor on the solid surface are a mixture of the electronic states of the individual molecules and the con ...

Research Products of this project	Int'l Joint Research (3 results) Journal Article (10 results, of which Int'l Joint Research: 3 results, Peer Reviewed: 10 results, Open Access: 2 results, Acknowledgement Compliant: 1 results) Presentation (30 results, of which Int'l Joint Research: 9 results, Invited: 4 results) Remarks (4 results) Funded Workshop (1 results)

5. Electronic structures of organic ultrathin films -from molecular orbitals to band formation-

Research Project

Research Category	Grant-in-Aid for Young Scientists (A)
Research Field	Physical chemistry
Research Institution	Osaka University
Principal Investigator	YAMADA Takashi 大阪大学, 理学(系)研究科(研究院), 助教
Project Period (FY)	2012-04-01 – 2015-03-31Completed
Keywords	2光子光電子分光 / 有機薄膜 / 非占有準位 / 走査トンネル顕微鏡 / 局所分光 / フタロシアニン / ルブレン / 鏡像準位 / 有機半導体薄膜 / バンド分散 / 有機分子薄膜 / バンド構造
Outline of Final Research Achievements	On the well defined surfaces of solids, we tried to make organic ultra thin films with film thickness at around one molecular layer. By focusing unocc ...

Research Products of this project	Journal Article (7 results, of which Peer Reviewed: 7 results, Acknowledgement Compliant: 2 results) Presentation (27 results, of which Invited: 3 results) Remarks (2 results)

6. Mapping of electronic states and time- and space-resolved carrier dynamics of in organic semiconductor films

Research Project

Research Category	Grant-in-Aid for Challenging Exploratory Research
Research Field	Thin film/Surface and interfacial physical properties
Research Institution	Osaka University
Principal Investigator	YAMADA Takashi 大阪大学, 理学(系)研究科(研究院), 助教
Project Period (FY)	2012-04-01 – 2015-03-31Completed
Keywords	2光子光電子分光 / 有機半導体 / 非占有準位 / 走査トンネル顕微鏡 / ルブレン / フタロシアニン / 時間分解分光 / 有機薄膜 / 光電子放射顕微鏡 / キャリアダイナミクス
Outline of Final Research Achievements	On the organic semiconductor films where the size and thickness are well-defined, we tried to measure carrier dynamics in real time with femto second ...

Research Products of this project	Journal Article (7 results, of which Peer Reviewed: 7 results, Acknowledgement Compliant: 2 results) Presentation (27 results, of which Invited: 2 results) Remarks (4 results)

7. Unoccupied electronic states at small domains of organic films

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Physical chemistry
Research Institution	Osaka University
Principal Investigator	MUNAKATA Toshiaki 大阪大学, 理学研究科, 教授
Project Period (FY)	2010 – 2012Completed
Keywords	表面界面 / 顕微2光子光電子分光 / 角度分解2光子光電子分光 / 非占有準位 / 有機薄膜 / 有機半導体 / STM / LEED / 角度分解２光子光電子分光 / 顕微２光子光電子分光
Research Abstract	Lateral inhomogeneity of organic films is frequently troublesome for high-resolution spectroscopy. We have improved the microspot two-photon photoemis ...

Research Products of this project	Journal Article (18 results, of which Peer Reviewed: 18 results) Presentation (78 results, of which Invited: 1 results) Remarks (4 results)

8. Electron Solvation Dynamics in One-Dimensional Superstructures Investigated by Two-Photon Photoemission Spectroscopy

Research Project

Research Category	Grant-in-Aid for Young Scientists (B)
Research Field	Physical chemistry
Research Institution	Osaka University
Principal Investigator	YAMADA Takashi Osaka University
Project Period (FY)	2008 – 2010Completed
Keywords	固体表面 / 走査トンネル顕微鏡 / 2光子光電子分光 / 溶媒和 / 2 光子光電子分光 / 時間分解分光 / 有機分子薄膜 / 時間分解2光子光電子分光 / 2光子光電子分発 / 走査トンネル電子顕微鏡 / 電子溶媒和
Research Abstract	The aim of research is to build up periodic superstructures made of polarized medium on surfaces, and to investigate the electron solvation dynamics i ...

Research Products of this project	Journal Article (12 results, of which Peer Reviewed: 6 results) Presentation (20 results) Remarks (1 results)

9. Two-Photon Photoemission Microspectroscopy for Molecule-Electrode Contact System

Research Project

Research Category	Grant-in-Aid for Scientific Research on Priority Areas
Review Section	Science and Engineering
Research Institution	Osaka University
Principal Investigator	MUNAKATA Toshiaki Osaka University
Project Period (FY)	2005 – 2009Completed
Keywords	光電子分光 / 顕微光電子分光 / 電子ダイナミクス / 有機薄膜 / 吸着 / フェムト秒レーザー / 表面・界面物性 / 電子状態 / 分子性固体 / 超薄膜 / 有機導体
Research Abstract	We have investigated the occupied and unoccupied levels for nano-link molecules. The nuclear motion of molecule in the excited electronic state is det ...

Research Products of this project	Journal Article (23 results, of which Peer Reviewed: 16 results) Presentation (65 results) Book (2 results) Remarks (3 results)