Universität zu Köln

Goerke, Hanna, Neitola, Kimmo, Hyvarinen, Antti-Pekka, Lihavainen, Heikki, Woelk, Judith, Strey, Reinhard and Brus, David ORCID: 0000-0002-8766-7873 (2014). Homogenous nucleation rates of n-propanol measured in the Laminar Flow Diffusion Chamber at different total pressures. J. Chem. Phys., 140 (17). MELVILLE: AMER INST PHYSICS. ISSN 1089-7690

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Abstract

Nucleation rates of n-propanol were investigated in the Laminar Flow Diffusion Chamber. Nucleation temperatures between 270 and 300 K and rates between 100 and 106 cm(-3) s(-1) were achieved. Since earlier measurements of n-butanol and n-pentanol suggest a dependence of nucleation rates on carrier gas pressure, similar conditions were adjusted for these measurements. The obtained data fit well to results available from literature. A small positive pressure effect was found which strengthen the assumption that this effect is attributed to the carbon chain length of the n-alcohol [D. Brus, A. P. Hyv rinen, J. Wedekind, Y. Viisanen, M. Kulmala, V. Zd mal, J. Smolik, and H. Lihavainen, J. Chem. Phys. 128, 134312 (2008)] and might be less intensive for substances in the homologous series with higher equilibrium vapor pressure. A comparison with the theoretical approach by Wedekind et al. [Phys. Rev. Lett. 101, 12 (2008)] shows that the effect goes in the same direction but that the intensity is much stronger in experiments than in theory. (C) 2014 AIP Publishing LLC.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Goerke, Hanna UNSPECIFIED UNSPECIFIED UNSPECIFIED Neitola, Kimmo UNSPECIFIED UNSPECIFIED UNSPECIFIED Hyvarinen, Antti-Pekka UNSPECIFIED UNSPECIFIED UNSPECIFIED Lihavainen, Heikki UNSPECIFIED UNSPECIFIED UNSPECIFIED Woelk, Judith UNSPECIFIED UNSPECIFIED UNSPECIFIED Strey, Reinhard UNSPECIFIED UNSPECIFIED UNSPECIFIED Brus, David UNSPECIFIED orcid.org/0000-0002-8766-7873 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-438497
DOI:	10.1063/1.4872364
Journal or Publication Title:	J. Chem. Phys.
Volume:	140
Number:	17
Date:	2014
Publisher:	AMER INST PHYSICS
Place of Publication:	MELVILLE
ISSN:	1089-7690
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MOLECULAR CONTENT; BINARY NUCLEI; RATE SURFACES; HELIUM; VAPOR; ALKANES Multiple languages Chemistry, Physical; Physics, Atomic, Molecular & Chemical Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/43849