| Project/Area Number |
11640556
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Inorganic chemistry
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| Research Institution | The University of Tokyo |
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Principal Investigator |
MATSUSHITA Nobuyuki The University of Tokyo, Graduate School of Arts and Sciences, Associate Professor, 大学院・総合文化研究科, 助教授 (80219427)
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| Project Period (FY) |
1999 – 2000
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| Project Status |
Completed (Fiscal Year 2000)
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| Budget Amount *help |
¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 2000: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1999: ¥2,900,000 (Direct Cost: ¥2,900,000)
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| Keywords | metal complex / mixed-valence / charge-transfer absorption band / high pressure / diamond-anvil-cell / micro spectroscopy / ruby luminescence method / ルビー蛍光圧力校正 / ダイヤモンド・アンビル・セル / ルビー蛍光圧力較正 |
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| Research Abstract |
The purpose of this project is to study properties and function of metal-complex systems under high pressure on the following viewpoints. The high pressure is expected directly and successively to function as a kind of modulation field for the electronic state of metal-complex molecules and systems through the shortening of the distance between the metal and the ligand and between the metal-complex molecules.
The following has been performed to study the correlation between the high pressure and the electronic state of metal complexes through the photo absorption using a diamond-anvil-cell and a micro spectrometer.
(1) Building up diamond-anvil-cells as a high-pressure apparatus.
(2) Construction of a micro-spectrometer system suitable for using the diamond-anvil-cell.
(3) Construction of a micro luminescence-spectrometer for ruby chip in diamond-anvil cell to calibrate pressures.
(4) Data collection of conditions to generate pressures : culet diameter of diamond-anvil, thickness and hole diameter of gasket, pressure-transmitting medium.
(5) a) Synthesis of one-dimensional mixed-valence platinum complexes.
b) Photo measurements of the platinum complexes under high pressures.
c) Find of modulation of the mixed-valence state with the high pressure.
(6) a) Photo measurements of a silver complex with a ligand exhibiting a chromism due to a structure change under high pressures.
b) Finding that the silver complex show a pressure-chromism.
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