Investigation of excited triplet absorption spectrum and relaxation kinetics of dimeric chlorophyll α

[in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 19 >Issue 1 >Page 51 > Article

Chinese Journal of Lasers
Vol. 19, Issue 1, 51 (1992)

Investigation of excited triplet absorption spectrum and relaxation kinetics of dimeric chlorophyll α

[in Chinese]¹ and [in Chinese]²

Author Affiliations

¹[in Chinese]

²The Ottawa-Carleton Chemistry Institute, Department of Chemistry, Carleton University, Ottawa, Ont. KIS 5B6 Canada

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[in Chinese], [in Chinese]. Investigation of excited triplet absorption spectrum and relaxation kinetics of dimeric chlorophyll α[J]. Chinese Journal of Lasers, 1992, 19(1): 51 Copy Citation Text

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Abstract

The experimental set-up of time resolved, differential absorption used to mreasure the excited triplet absorption spectrum of dimerio chlorophyll α and the experimental results are reported. The peak absorption of the excited triplet of T1(4) and T1(D)are at 462nm and 466nrn,and the subsidiary maxima at 510 nm and 526 nm, respectively. The triplet lifetime of T1(A), T1(D), measured with a time-resolved double-beam method,is A/T=9.8+0.5,us and D/T=80+4us, respectively.

Keywords

time-resolved differential absorption method dimeric chlorophyll α

[in Chinese], [in Chinese]. Investigation of excited triplet absorption spectrum and relaxation kinetics of dimeric chlorophyll α[J]. Chinese Journal of Lasers, 1992, 19(1): 51

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