CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Local density augmentation of supercritical water probed by 4,4 '-bpyH(center dot) radical: A pulse radiolysis study
Liu, Z; Fang, Z; Muroya, Y; Fu, HY; Yan, Y; Katsumura, Y; Lin, MZ; Lin, MZ (reprint author), Univ Sci & Technol China, Sch Nucl Sci & Technol, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China.
2016
Source PublicationCHEMICAL PHYSICS LETTERS
ISSN0009-2614
Volume657Pages:78-82
Subtype期刊论文
AbstractSolvatochromic shift of 4,4 '-bpyH(center dot) in aqueous solutions at elevated temperatures up to supercritical conditions and in various organic solvents with different dielectric constants, is investigated by pulse-radiolysis technique. 4,4 '-bpyH(center dot) shows a stronger solvent-solute interaction in water than in organic solvents, perhaps due to the hydrogen bond between 4,4 '-bpyH(center dot) and water. At 380 degrees C, local density augmentation, namely rho(local)-rho(bulk), in supercritical water becomes 280 kg m (3) (rho(bulk) = 208 kg m (3)), and the density enhancement factor is 8.9. Density fluctuation maximizes when rho(bulk) is around 120 kg m (3). Density inhomogeneity decreases as temperature rises, but is still remarkable at 400 degrees C. (C) 2016 Elsevier B. V. All rights reserved.
KeywordSupercritical Water Pulse Radiolysis Radical Local Density Solute-solvent Interaction
DOI10.1016/j.cplett.2016.05.059
Indexed BySCI
Language英语
WOS IDWOS:000383444700014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26562
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorLin, MZ (reprint author), Univ Sci & Technol China, Sch Nucl Sci & Technol, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China.
Recommended Citation
GB/T 7714
Liu, Z,Fang, Z,Muroya, Y,et al. Local density augmentation of supercritical water probed by 4,4 '-bpyH(center dot) radical: A pulse radiolysis study[J]. CHEMICAL PHYSICS LETTERS,2016,657:78-82.
APA Liu, Z.,Fang, Z.,Muroya, Y.,Fu, HY.,Yan, Y.,...&Lin, MZ .(2016).Local density augmentation of supercritical water probed by 4,4 '-bpyH(center dot) radical: A pulse radiolysis study.CHEMICAL PHYSICS LETTERS,657,78-82.
MLA Liu, Z,et al."Local density augmentation of supercritical water probed by 4,4 '-bpyH(center dot) radical: A pulse radiolysis study".CHEMICAL PHYSICS LETTERS 657(2016):78-82.
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