Experimental and theoretical studies of the effect of mass on the dynamics of gas/organic-surface energy transfer

被引:29
作者
Alexander, William A. [1 ]
Day, B. Scott [1 ]
Moore, H. Justin [2 ]
Lee, T. Randall [2 ]
Morris, John R. [1 ]
Troya, Diego [1 ]
机构
[1] Virginia Tech, Dept Chem, Blacksburg, VA 24061 USA
[2] Univ Houston, Dept Chem, Houston, TX 77204 USA
基金
美国国家科学基金会;
关键词
D O I
10.1063/1.2815327
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The effect of mass on gas/organic-surface energy transfer is explored via investigation of the scattering dynamics of rare gases (Ne, Ar, and Kr) from regular (CH3-terminated) and omega-fluorinated (CF3-terminated) alkanethiol self-assembled monolayers (SAMs) at 60 kJ/mol collision energy. Molecular-beam scattering experiments carried out in ultrahigh vacuum and molecular-dynamics simulations based on high-accuracy potentials are used to obtain the rare-gases' translational-energy distributions after collision with the SAMs. Simulations indicate that mass is the most important factor in determining the changes in the energy exchange dynamics for Ne, Ar, and Kr collisions on CH3- and CF3-terminated SAMs at 60 kJ/mol collision energy. Other factors, such as changes in the gas-surface potential and intrasurface interactions, play only a minor role in determining the differential dynamics behavior for the systems studied. (c) 2008 American Institute of Physics.
引用
收藏
页数:11
相关论文
共 46 条
[31]   Molecular beam studies of gas-liquid interfaces [J].
Nathanson, GM .
ANNUAL REVIEW OF PHYSICAL CHEMISTRY, 2004, 55 :231-255
[32]   Quantum-state-resolved CO2 scattering dynamics at the gas-liquid interface:: Incident collision energy and liquid dependence [J].
Perkins, Bradford G., Jr. ;
Nesbitt, David J. .
JOURNAL OF PHYSICAL CHEMISTRY B, 2006, 110 (34) :17126-17137
[33]   COLLISIONS OF PROTIC AND APROTIC GASES WITH HYDROGEN-BONDING AND HYDROCARBON LIQUIDS [J].
SAECKER, ME ;
NATHANSON, GM .
JOURNAL OF CHEMICAL PHYSICS, 1993, 99 (09) :7056-7075
[34]   COLLISIONS OF PROTIC AND APROTIC GASES WITH A PERFLUORINATED LIQUID [J].
SAECKER, ME ;
NATHANSON, GM .
JOURNAL OF CHEMICAL PHYSICS, 1994, 100 (05) :3999-4005
[35]   MOLECULAR-BEAM SCATTERING FROM LIQUID SURFACES [J].
SAECKER, ME ;
GOVONI, ST ;
KOWALSKI, DV ;
KING, ME ;
NATHANSON, GM .
SCIENCE, 1991, 252 (5011) :1421-1424
[36]   Low-energy ion-surface collisions characterize alkyland fluoroalkyl-terminated self-assembled monolayers on gold [J].
Smith, DL ;
Wysocki, VH ;
Colorado, R ;
Shmakova, OE ;
Graupe, M ;
Lee, TR .
LANGMUIR, 2002, 18 (10) :3895-3902
[37]   MOLECULAR-BEAM SCATTERING FROM SOLID SURFACES - CRITICAL REVIEW [J].
SMITH, JN .
SURFACE SCIENCE, 1973, 34 (03) :613-637
[38]   Dynamics of energy transfer in collisions of O(3P) atoms with a 1-decanethiol self-assembled monolayer surface [J].
Tasic, Uros S. ;
Yan, Tianying ;
Hase, William L. .
JOURNAL OF PHYSICAL CHEMISTRY B, 2006, 110 (24) :11863-11877
[39]   WASHBOARD MODEL OF GAS SURFACE SCATTERING [J].
TULLY, JC .
JOURNAL OF CHEMICAL PHYSICS, 1990, 92 (01) :680-686
[40]   Energy transfer in hyperthermal Xe-graphite surface scattering [J].
Watanabe, Y ;
Yamaguchi, H ;
Hashinokuchi, M ;
Sawabe, K ;
Maruyama, S ;
Matsumoto, Y ;
Shobatake, K .
EUROPEAN PHYSICAL JOURNAL D, 2006, 38 (01) :103-109