Solution-Processed Organic and Halide Perovskite Transistors on Hydrophobic Surfaces

Jeremy W. Ward; Hannah L. Smith; Andrew Zeidell; Peter J. Diemer; Stephen R. Baker; Hyunsu Lee; Marcia M. Payne; John E. Anthony; Martin Guthold; Oana D. Jurchescu

doi:10.1021/acsami.7b03232

Solution-Processed Organic and Halide Perovskite Transistors on Hydrophobic Surfaces

Jeremy W. Ward, Hannah L. Smith, Andrew Zeidell, Peter J. Diemer, Stephen R. Baker, Hyunsu Lee, Marcia M. Payne, John E. Anthony, Martin Guthold, Oana D. Jurchescu

Chemistry

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Solution-processable electronic devices are highly desirable due to their low cost and compatibility with flexible substrates. However, they are often challenging to fabricate due to the hydrophobic nature of the surfaces of the constituent layers. Here, we use a protein solution to modify the surface properties and to improve the wettability of the fluoropolymer dielectric Cytop. The engineered hydrophilic surface is successfully incorporated in bottom-gate solution-deposited organic field-effect transistors (OFETs) and hybrid organic-inorganic trihalide perovskite field-effect transistors (HTP-FETs) fabricated on flexible substrates. Our analysis of the density of trapping states at the semiconductor-dielectric interface suggests that the increase in the trap density as a result of the chemical treatment is minimal. As a result, the devices exhibit good charge carrier mobilities, near-zero threshold voltages, and low electrical hysteresis.

Original language	English
Pages (from-to)	18120-18126
Number of pages	7
Journal	ACS Applied Materials and Interfaces
Volume	9
Issue number	21
DOIs	https://doi.org/10.1021/acsami.7b03232
State	Published - May 31 2017

Bibliographical note

Funding Information:
The organic semiconductor work at WFU was supported by the National Science Foundation under Grant No. ECCS-1254757, while the work on the perovskite semiconductors was partially supported by the NSF Grant No. ECCS-1608095 and the Office of Naval Research Grant No. N00014-15-1-2943. Semiconductor synthesis was supported by NSF Grant No. DMR-1627428. The Asylum MFP-3D-Bio AFM was obtained with a grant from the North Carolina Biotechnology Center (Grant No. 2014-IDG-1012).

Publisher Copyright:
© 2017 American Chemical Society.

Keywords

charge carrier mobility
flexible electronics
halide perovskites
organic semiconductors
organic thin-film transistors

ASJC Scopus subject areas

Materials Science (all)

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10.1021/acsami.7b03232

Cite this

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title = "Solution-Processed Organic and Halide Perovskite Transistors on Hydrophobic Surfaces",

abstract = "Solution-processable electronic devices are highly desirable due to their low cost and compatibility with flexible substrates. However, they are often challenging to fabricate due to the hydrophobic nature of the surfaces of the constituent layers. Here, we use a protein solution to modify the surface properties and to improve the wettability of the fluoropolymer dielectric Cytop. The engineered hydrophilic surface is successfully incorporated in bottom-gate solution-deposited organic field-effect transistors (OFETs) and hybrid organic-inorganic trihalide perovskite field-effect transistors (HTP-FETs) fabricated on flexible substrates. Our analysis of the density of trapping states at the semiconductor-dielectric interface suggests that the increase in the trap density as a result of the chemical treatment is minimal. As a result, the devices exhibit good charge carrier mobilities, near-zero threshold voltages, and low electrical hysteresis.",

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author = "Ward, {Jeremy W.} and Smith, {Hannah L.} and Andrew Zeidell and Diemer, {Peter J.} and Baker, {Stephen R.} and Hyunsu Lee and Payne, {Marcia M.} and Anthony, {John E.} and Martin Guthold and Jurchescu, {Oana D.}",

note = "Funding Information: The organic semiconductor work at WFU was supported by the National Science Foundation under Grant No. ECCS-1254757, while the work on the perovskite semiconductors was partially supported by the NSF Grant No. ECCS-1608095 and the Office of Naval Research Grant No. N00014-15-1-2943. Semiconductor synthesis was supported by NSF Grant No. DMR-1627428. The Asylum MFP-3D-Bio AFM was obtained with a grant from the North Carolina Biotechnology Center (Grant No. 2014-IDG-1012). Publisher Copyright: {\textcopyright} 2017 American Chemical Society.",

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Solution-Processed Organic and Halide Perovskite Transistors on Hydrophobic Surfaces

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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