2010 Fiscal Year Final Research Report
Photo-dissociation processes of greenhouse gases CHF3, CF4, and SF6
| Project/Area Number |
20510010
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
Environmental dynamic analysis
|
|---|
| Research Institution | Hiroshima University |
|---|
Principal Investigator |
YOSHIDA Hiroaki 広島大学, 大学院・理学研究科, 助教 (90249954)
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
TAKAHASHI Osamu 広島大学, 大学院・理学研究科, 助教 (60253051)
|
|---|
| Project Period (FY) |
2008 – 2010
|
| Keywords | 地球温暖化 / 温室効果ガス / 三フッ化メタン / 四フッ化メタン / 六フッ化硫黄 / 光分解 / クーロン爆発 / 多価イオン |
|---|
| Research Abstract |
Multiply-charged ions are often produced by inner-shell ionization, and they generally dissociate into some fragment ions by Coulomb explosion. We have investigated the dissociation processes of inner-shell ionized CHF3, CF4, and SF6 with a time-of-flight mass spectrometer and a two-dimensional position-sensitive detector. It is concluded that the successive dissociation including the auto-ionization of the fragment ion is dominant in the Coulomb explosion of CHF3+++, whereas the simultaneous dissociation is dominant in the Coulomb explosion of CF4+++.
|
Research Products
(13 results)
