Volume 22, Issue 7 pp. 653-657
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A relative study on two-photon absorption properties of C60 and C70

Xin Zhou

Xin Zhou

State Key Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry, Jilin University, Changchun. Jilin 130023, China

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Ai-Min Ren

Ai-Min Ren

State Key Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry, Jilin University, Changchun. Jilin 130023, China

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Ji-Kang Feng

Ji-Kang Feng

State Key Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry, Jilin University, Changchun. Jilin 130023, China

College of Chemistry, Jilin University, Changchun, Jilin 130023, China

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Xiao-Juan Liu

Xiao-Juan Liu

State Key Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry, Jilin University, Changchun. Jilin 130023, China

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First published: 26 August 2010
Citations: 4

Abstract

We have theoretically investigated the one- and two-photon absorption properties of C60 and C70 using the ZINDO method. From the results it is suggested that the one-photon absorption spectra are in agreement with the experimental observations. It is found that the maximum TPA cross section of C70 is more than twice that of C60 which is consistent with the experimental results. A notable point is that the TPA process of C60 is different from that of C70 as well as other ordinary conjugated molecules.

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