Detection of AIO and TiO by Laser-Induced Fluorescence in Powder Synthesis Flames
作者:
ANDREI COLIBABA-EVULET,
AMIT SINGHAL,
NICK GLUMAC,
期刊:
Combustion Science and Technology
(Taylor Available online 2000)
卷期:
Volume 157,
issue 1
页码: 129-139
ISSN:0010-2202
年代: 2000
DOI:10.1080/00102200008947313
出版商: Taylor & Francis Group
关键词: materials synthesis;diagnostics
数据来源: Taylor
摘要:
Laser-induced fluorescence (LIF) has been used to detect AIO and TiO in low pressure hydrogen/oxygen flames with added metalorganic precursors. Such flames are used for synthesis of alumina and titania nanopowders. Knowledge of the monoxide profiles in these flames is useful in developing chemical models for the complex pyrolysis of metalorganics in flames. Challenges to detection of AIO and TiO include strong scattering background from the particle-laden flame, as well as interferences from broadband fluorescence. We present strategies that allow for sensitive detection of these species in the presence of such interferences, with minimum temperature correction required.
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