Facile synthesis of an organic/inorganic hybrid 2D structure tincone film by molecular layer deposition
- Authors
- Baek, GeonHo; Lee, Seunghwan; Kim, Hye-mi; Choi, Su Hwan; Park, Jin-Seong
- Issue Date
- Feb-2022
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- DALTON TRANSACTIONS, v.51, no.5, pp.1829 - 1837
- Indexed
- SCIE
SCOPUS
- Journal Title
- DALTON TRANSACTIONS
- Volume
- 51
- Number
- 5
- Start Page
- 1829
- End Page
- 1837
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/139625
- DOI
- 10.1039/d1dt02984c
- ISSN
- 1477-9226
- Abstract
- Organic/inorganic hybrid tincone films were deposited by molecular layer deposition (MLD) using N,N '-tert-butyl-1,1-dimethylethylenediamine stannylene(ii) as a precursor and hydroquinone (HQ) as an organic reactant. From previous studies it is known that SnO can be fabricated through a reaction with H2O, which has low oxidizing power. Similarly, when combined with HQ having a bi-functional hydroxyl group, SnO-based 2D hybrid tincones can be produced. In most aromatic ring-based metalcones described in previous studies, graphitization by pyrolysis occurred during post-annealing. In this study of tincones fabricated with a divalent precursor after a vacuum post-annealing process, the structural rearrangement of the SnO and the benzene ring bonds proceeded to form a SnO-based hybrid 2D structure. The rearrangement of the resulting structure occurred through pi-pi stacking (without pyrolysis) of the benzene ring. To understand the mechanism of fabrication of 2D hybrid tincones by pi-pi stacking of the benzene ring and the increase of the crystallinity of SnO after the annealing process, the structural rearrangement was observed using X-ray photoelectron spectroscopy (XPS), grazing incidence X-ray diffraction (GIXRD), grazing-incidence wide-angle X-ray scattering (GIWAXS), and Raman spectroscopy. Thereafter, the design of the crystal structure was investigated.
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