Relaxation Dynamics of Electronically Excited Nanoscale Metal−Carbon Complexes:  Vanadium−Carbon Clusters

Relaxation Dynamics of Electronically Excited Nanoscale Metal−Carbon Complexes:  Vanadium−Carbon Clusters

First measurements of the relaxation dynamics of electronically excited states in nanoscale transition metal−carbon species are reported. In this communication, time-resolved measurements, made with the femtosecond laser pump−probe technique by employing 50 fs pulses at 620 and 400 nm, reveal the ex...

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Veröffentlicht in:Nano letters 2001-03, Vol.1 (3), p.113-116
Hauptverfasser: Kooi, S. E, Leskiw, B. D, Castleman, A. W
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Leskiw, B. D
Castleman, A. W
description First measurements of the relaxation dynamics of electronically excited states in nanoscale transition metal−carbon species are reported. In this communication, time-resolved measurements, made with the femtosecond laser pump−probe technique by employing 50 fs pulses at 620 and 400 nm, reveal the excited-state dynamics in vanadium−carbon clusters including the vanadium Met-Car, V8C12. Size dependent trends are observed in the pump−probe transients, which suggest a more extensive free electron character in the larger clusters as compared to the smaller species.
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title Relaxation Dynamics of Electronically Excited Nanoscale Metal−Carbon Complexes:  Vanadium−Carbon Clusters
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