Adsorption of phenylalanine on single crystal rutile TiO2(1 1 0) surface

A. G. Thomas; W. R. Flavell; C. P. Chatwin; A. R. Kumarasinghe; S. M. Rayner; P. F. Kirkham; D. Tsoutsou; T. K. Johal; S. Patel

doi:10.1016/j.susc.2007.04.085

Adsorption of phenylalanine on single crystal rutile TiO2(1 1 0) surface

A. G. Thomas, W. R. Flavell, C. P. Chatwin, A. R. Kumarasinghe, S. M. Rayner, P. F. Kirkham, D. Tsoutsou, T. K. Johal, S. Patel

Research output: Contribution to journal › Article › peer-review

Abstract

The adsorption of the aromatic amino acid, phenylalanine on a TiO2 rutile (1 1 0) single crystal surface has been investigated with photoemission and NEXAFS (near edge X-ray absorption fine structure) spectroscopy. The results indicate initial adsorption via the carboxylate group in a bidentate configuration with the phenyl ring oriented at approximately 25° to the surface normal. The amino group remains as NH2. Subsequent layers of phenylalanine appear to adsorb as neutral molecules with H-bonding between NH2 and C{double bond, long}O groups. © 2007 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	3828-3832
Number of pages	4
Journal	Surface Science
Volume	601
Issue number	18
DOIs	https://doi.org/10.1016/j.susc.2007.04.085
Publication status	Published - 15 Sept 2007

Keywords

Adsorption geometry
Amino acid
NEXAFS
Photoemission
Rutile
Single crystal
Titanium dioxide

Access to Document

10.1016/j.susc.2007.04.085

Cite this

@article{8d0333035716406086e55afb2408b4ab,

title = "Adsorption of phenylalanine on single crystal rutile TiO2(1 1 0) surface",

abstract = "The adsorption of the aromatic amino acid, phenylalanine on a TiO2 rutile (1 1 0) single crystal surface has been investigated with photoemission and NEXAFS (near edge X-ray absorption fine structure) spectroscopy. The results indicate initial adsorption via the carboxylate group in a bidentate configuration with the phenyl ring oriented at approximately 25° to the surface normal. The amino group remains as NH2. Subsequent layers of phenylalanine appear to adsorb as neutral molecules with H-bonding between NH2 and C{double bond, long}O groups. {\textcopyright} 2007 Elsevier B.V. All rights reserved.",

keywords = "Adsorption geometry, Amino acid, NEXAFS, Photoemission, Rutile, Single crystal, Titanium dioxide",

author = "Thomas, {A. G.} and Flavell, {W. R.} and Chatwin, {C. P.} and Kumarasinghe, {A. R.} and Rayner, {S. M.} and Kirkham, {P. F.} and D. Tsoutsou and Johal, {T. K.} and S. Patel",

year = "2007",

month = sep,

day = "15",

doi = "10.1016/j.susc.2007.04.085",

language = "English",

volume = "601",

pages = "3828--3832",

journal = "Surface Science",

issn = "0039-6028",

publisher = "Elsevier BV",

number = "18",

}

TY - JOUR

T1 - Adsorption of phenylalanine on single crystal rutile TiO2(1 1 0) surface

AU - Thomas, A. G.

AU - Flavell, W. R.

AU - Chatwin, C. P.

AU - Kumarasinghe, A. R.

AU - Rayner, S. M.

AU - Kirkham, P. F.

AU - Tsoutsou, D.

AU - Johal, T. K.

AU - Patel, S.

PY - 2007/9/15

Y1 - 2007/9/15

N2 - The adsorption of the aromatic amino acid, phenylalanine on a TiO2 rutile (1 1 0) single crystal surface has been investigated with photoemission and NEXAFS (near edge X-ray absorption fine structure) spectroscopy. The results indicate initial adsorption via the carboxylate group in a bidentate configuration with the phenyl ring oriented at approximately 25° to the surface normal. The amino group remains as NH2. Subsequent layers of phenylalanine appear to adsorb as neutral molecules with H-bonding between NH2 and C{double bond, long}O groups. © 2007 Elsevier B.V. All rights reserved.

AB - The adsorption of the aromatic amino acid, phenylalanine on a TiO2 rutile (1 1 0) single crystal surface has been investigated with photoemission and NEXAFS (near edge X-ray absorption fine structure) spectroscopy. The results indicate initial adsorption via the carboxylate group in a bidentate configuration with the phenyl ring oriented at approximately 25° to the surface normal. The amino group remains as NH2. Subsequent layers of phenylalanine appear to adsorb as neutral molecules with H-bonding between NH2 and C{double bond, long}O groups. © 2007 Elsevier B.V. All rights reserved.

KW - Adsorption geometry

KW - Amino acid

KW - NEXAFS

KW - Photoemission

KW - Rutile

KW - Single crystal

KW - Titanium dioxide

U2 - 10.1016/j.susc.2007.04.085

DO - 10.1016/j.susc.2007.04.085

M3 - Article

SN - 0039-6028

VL - 601

SP - 3828

EP - 3832

JO - Surface Science

JF - Surface Science

IS - 18

ER -

Adsorption of phenylalanine on single crystal rutile TiO2(1 1 0) surface

Abstract

Keywords

Access to Document

Fingerprint

Cite this