Journal
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
Volume 214, Issue 5, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssa.201600779
Keywords
Fe(dpm)(3); gas-phase reactivity; hematite; in-situ FT-IR; thermal-CVD
Funding
- FP7 project SOLAROGENIX [NMP4-SL-2012-310333]
- Padova University
- P-DiSC [SENSATIONAL BIRD2016-UNIPD]
- ACTION post-doc fellowship
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The iron(III) b-diketonate Fe(dpm) 3 (dpm = 2,2,6,6-tetramethyl-3,5-heptanedionate) is investigated as precursor for the thermally-assisted chemical vapor deposition (CVD) of hematite (alpha-Fe2O3) nanostructures. To this aim, the compound gas-phase reactivity is first elucidated by in-situ infrared spectroscopy both under N-2 and N-2 + O-2 atmospheres. Subsequently, Fe(dpm) 3 is tested in CVD experiments on various substrates, as a function of the growth temperature, to evaluate the precursor applicability in the preparation of diversified hematite-based materials, potentially addressing various technological end-uses. In this study, relevant results concerning the gas-phase behavior of Fe(dpm)(3) and the compositional, structural, morphological, and optical properties of the resulting alpha-Fe2O3 deposits are presented and critically discussed. (C) 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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