Local density augmentation around acetophenone N,N,N′,N′- tetramethylbenzidine exciplex in supercritical water

Takafumi Aizawa, Mitsuhiro Kanakubo, Yutaka Ikushima, Richard L. Smith, Tohru Saitoh, Nobuhiro Sugimoto

研究成果: Article査読

12 被引用数 (Scopus)

抄録

Local density augmentation around exciplex between acetophenone and N,N,N,N-tetramethylbenzidine (TMB) in supercritical water was measured by peak shift of transient absorption spectrum at 380°C and at pressures from 6 to 37 MPa. Large local density augmentation was observed at lower densities. The excess density, defined by the difference between local density and bulk density, exhibited a maximum at approximately 0.15 gcm-3. Our results show that the degree of local density augmentation that exists in supercritical water is comparable to that observed in supercritical carbon dioxide in some system.

本文言語English
ページ(範囲)31-35
ページ数5
ジャーナルChemical Physics Letters
393
1-3
DOI
出版ステータスPublished - 2004 7 21

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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