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Photothermally Induced Microchemical Functionalization of Organic Monolayers
Author(s) -
Klingebiel Benjamin,
Schröter Anja,
Franzka Steffen,
Hartmann Nils
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200900278
Subject(s) - monolayer , photothermal therapy , surface modification , halogenation , silicon , micrometer , bromine , chemistry , irradiation , photochemistry , laser , chemical engineering , nanotechnology , materials science , organic chemistry , optics , engineering , physics , nuclear physics
A prototype photothermal procedure: Alkylsiloxane monolayers on surface‐oxidized silicon substrates are processed in gaseous bromine using a focused Ar + ‐laser operated at λ =514 nm. Monolayer bromination remains confined to a micrometer‐sized reaction zone, where laser irradiation results in a local temperature rise (see figure).
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