Combustion-Assisted Photonic Annealing of Printable Graphene Inks via Exothermic Binders

Ethan B. Secor; Theodore Z. Gao; Manuel H. Dos Santos; Shay G. Wallace; Karl W. Putz; Mark C. Hersam

doi:10.1021/acsami.7b07189

Combustion-Assisted Photonic Annealing of Printable Graphene Inks via Exothermic Binders

Ethan B. Secor, Theodore Z. Gao, Manuel H. Dos Santos, Shay G. Wallace, Karl W. Putz, Mark C. Hersam^*

^*Corresponding author for this work

Materials Science and Engineering

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

36 Scopus citations

Abstract

High-throughput and low-temperature processing of high-performance nanomaterial inks is an important technical challenge for large-area, flexible printed electronics. In this report, we demonstrate nitrocellulose as an exothermic binder for photonic annealing of conductive graphene inks, leveraging the rapid decomposition kinetics and built-in energy of nitrocellulose to enable versatile process integration. This strategy results in superlative electrical properties that are comparable to extended thermal annealing at 350 °C, using a pulsed light process that is compatible with thermally sensitive substrates. The resulting porous microstructure and broad liquid-phase patterning compatibility are exploited for printed graphene microsupercapacitors on paper-based substrates.

Original language	English (US)
Pages (from-to)	29418-29423
Number of pages	6
Journal	ACS Applied Materials and Interfaces
Volume	9
Issue number	35
DOIs	https://doi.org/10.1021/acsami.7b07189
State	Published - Sep 6 2017

Keywords

carbon nanomaterials
conductive inks
energetic materials
intense pulsed light annealing
printed electronics

ASJC Scopus subject areas

Materials Science(all)

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10.1021/acsami.7b07189

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title = "Combustion-Assisted Photonic Annealing of Printable Graphene Inks via Exothermic Binders",

abstract = "High-throughput and low-temperature processing of high-performance nanomaterial inks is an important technical challenge for large-area, flexible printed electronics. In this report, we demonstrate nitrocellulose as an exothermic binder for photonic annealing of conductive graphene inks, leveraging the rapid decomposition kinetics and built-in energy of nitrocellulose to enable versatile process integration. This strategy results in superlative electrical properties that are comparable to extended thermal annealing at 350 °C, using a pulsed light process that is compatible with thermally sensitive substrates. The resulting porous microstructure and broad liquid-phase patterning compatibility are exploited for printed graphene microsupercapacitors on paper-based substrates.",

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AU - Putz, Karl W.

AU - Hersam, Mark C.

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AB - High-throughput and low-temperature processing of high-performance nanomaterial inks is an important technical challenge for large-area, flexible printed electronics. In this report, we demonstrate nitrocellulose as an exothermic binder for photonic annealing of conductive graphene inks, leveraging the rapid decomposition kinetics and built-in energy of nitrocellulose to enable versatile process integration. This strategy results in superlative electrical properties that are comparable to extended thermal annealing at 350 °C, using a pulsed light process that is compatible with thermally sensitive substrates. The resulting porous microstructure and broad liquid-phase patterning compatibility are exploited for printed graphene microsupercapacitors on paper-based substrates.

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