Structural and electronic interaction at CuO-hexa-peri-hexabenzocoronene hybrid interface | Zendy

Bharti Singh | Zendy; B. R. Mehta | Zendy; Mandeep Singh | Zendy; Govind Gupta | Zendy; Lukas Dössel | Zendy; Xinliang Feng | Zendy; Kläus Müllen | Zendy

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Structural and electronic interaction at CuO-hexa-peri-hexabenzocoronene hybrid interface

Author(s) -

Bharti Singh,

B. R. Mehta,

Mandeep Singh,

Govind Gupta,

Lukas Dössel,

Xinliang Feng,

Kläus Müllen

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3544937

Subject(s) - x ray photoelectron spectroscopy , valence (chemistry) , materials science , ellipsometry , electronic structure , absorption spectroscopy , layer (electronics) , crystallography , chemical physics , chemistry , thin film , computational chemistry , nanotechnology , chemical engineering , optics , physics , organic chemistry , engineering

Interfacial interaction at hybrid interfaces results in structural and electronic properties different from organic and inorganic components. In this study, x-ray photoelectron spectroscopy analysis carried out on CuO-hexa-peri-hexabenzocoronene (HBC) bilayers shows the appearance of an additional C 1s peak at lower energy due to Cu–C interaction. Spectroscopic ellipsometry investigation shows that interfacial layer ( ∼ 4 nm) has absorption features related to Cu–C bonding, modified HBC valence states, and Cu2+-π electron interaction. The observed resistive switching property of the CuO-HBC layers is considerably different from junction properties of HBC and CuO layers and is directly related to the hybrid interfacial layer

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