Mossbauer study of oxygen adducts in solid Fe(II) phthalocyanines

被引：5
|
作者：
Kuzmann, E. [1 ,2 ]
Homonnay, Z. [1 ]
Mylonakis, A. [3 ]
Yin, H. [3 ]
Wei, Y. [3 ]
Kovacs, K. [1 ]
Kubuki, S. [4 ]
Klencsar, Z. [2 ]
Vertes, A. [1 ,2 ]
Nath, A. [5 ]
机构：
[1] Eotvos Lorand Univ, Inst Chem, POB 32, H-1512 Budapest, Hungary
[2] Chem Res Ctr, Lab Nucl Chem, H-1512 Budapest, Hungary
[3] Drexel Univ, Dept Chem, Philadelphia, PA 19104 USA
[4] Ube Natl Coll Technol, Dept Chem & Biol Engn, Yamaguchi, Japan
[5] Univ N Carolina, Dept Chem, Asheville, NC 28804 USA
来源：
INTERNATIONAL CONFERENCE ON THE APPLICATIONS OF THE MOSSBAUER EFFECT (ICAME 2009) | 2010年 / 217卷
关键词：
IRON;
D O I：
10.1088/1742-6596/217/1/012029
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Beta iron phthalocyanines (beta-FePc) oxygenated at low temperatures were investigated with the help of Fe-57 Mossbauer spectroscopy and X-ray diffractometry (XRD). The oxygenation of FePc complex is the key step in the pyrolysis of the flat layered molecules that yields acicular iron carbide particles encaged in uniform carbon shells. Mossbauer spectroscopy revealed that upon oxygenation of beta-FePc new species were formed which could be associated with (FePc)-Pc-III oxygen adducts in high spin and low spin states. The temperature dependent Mossbauer measurements showed the interconversion of the low spin species into high spin species upon raising the temperature.
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页数：5
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