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Article Dans Une Revue Nanoscale Année : 2023

Electronic Properties of Single Prussian Blue Analog Nanocrystals Determined by Conductive-AFM

Résumé

We report a study of the electron transport (ET) properties at the nanoscale (conductive-AFM noted C-AFM thereafter) of individual Prussian Blue Analog (PBA) cubic nanocrystals (NCs) of CsCo(III)Fe(II), with size between 15 and 50 nm deposited on HOPG. We demonstrate that these PBA NCs feature an almost size independent electron injection barriers of 0.41 +/- 0.02 eV and 0.27 +/- 0.03 eV at the CsCo(III)Fe(II)/HOPG and CsCo(III)Fe(II)/C-AFM tip, respectively, and an intrinsic electron conductivity evolving from largely dispersed between ca. 5E-4 and 2E-2 S/cm without a clear correlation with the nanocrystal size. The conductivity values measured on individual nanocrystals are higher by up to 5 decades than those reported on PBA films.
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Dates et versions

hal-04270658 , version 1 (04-11-2023)

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Hugo Therssen, Laure Catala, Sandra Mazérat, Talal Mallah, Dominique Vuillaume, et al.. Electronic Properties of Single Prussian Blue Analog Nanocrystals Determined by Conductive-AFM. Nanoscale, 2023, ⟨10.1039/D3NR04542K⟩. ⟨hal-04270658⟩
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