Photoluminescence of solid C-60 polymerized under high pressure

被引：14

作者：

Bashkin, IO ^{[1
]}

Izotov, AN ^{[1
]}

Moravsky, AP ^{[1
]}

Negrii, VD ^{[1
]}

Nikolaev, RK ^{[1
]}

Ossipyan, YA ^{[1
]}

Ponyatovsky, EG ^{[1
]}

Steinman, EA ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,INST CHEM PHYS,CHERNOGOLOVKA 142432,RUSSIA

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 272卷 / 1-2期

关键词：

D O I：

10.1016/S0009-2614(97)00494-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photoluminescence (PL) spectra were measured on the C-60 polymeric phase prepared from a single crystal and from a microcrystalline powder treated at pressures to 15 kbar and temperatures to 600 K. It was found that the high-pressure treatment resulted in a shift of the spectral intensity distribution to lower energies compared to the well-known spectrum of pristine C-60. A set of new lines was observed. The PL spectrum of the high-pressure phase exhibited a distinct structure contrary to that of photopolymerized C-60 The PL intensity of the high-pressure phase showed a non-monotonic temperature dependence with a slight minimum around 150 K. (C) 1997 Published by Elsevier Science B.V.

引用

页码：32 / 37

页数：6

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