期刊
CHEMICAL PHYSICS LETTERS
卷 375, 期 1-2, 页码 171-176出版社
ELSEVIER
DOI: 10.1016/S0009-2614(03)00866-2
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The spectroscopic aggregation number (coherence length) and physical size of the J-aggregates of anionic mesotetrakis(4-sulphonatophenyl)porphyrin (H4TPPS2-) are controlled by ammonium ion concentration. The contributions of absorption and scattering are determined using the extinction and resonance light scattering (RLS) spectra of the TPPS J-aggregate. The highest spectroscopic aggregation number (12.9) was determined for the J-aggregate of hydrodynamic radius of 56 +/- 10 nm. (C) 2003 Elsevier Science B.V. All rights reserved.
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