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Open AccessArticle

ZnO Nanoparticle/Graphene Hybrid Photodetectors via Laser Fragmentation in Liquid

U.S. Naval Research Laboratory, 4555 Overlook Ave., SW, Washington, DC 20375, USA
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Nanomaterials 2020, 10(9), 1648; https://doi.org/10.3390/nano10091648
Received: 28 July 2020 / Revised: 14 August 2020 / Accepted: 16 August 2020 / Published: 21 August 2020
(This article belongs to the Special Issue Laser Synthesis of Nanomaterials)
By combining the enhanced photosensitive properties of zinc oxide nanoparticles and the excellent transport characteristics of graphene, UV-sensitive, solar-blind hybrid optoelectronic devices have been demonstrated. These hybrid devices offer high responsivity and gain, making them well suited for photodetector applications. Here, we report a hybrid ZnO nanoparticle/graphene phototransistor that exhibits a responsivity up to 4 × 104 AW−1 and gain of up to 1.3 × 105 with high UV wavelength selectivity. ZnO nanoparticles were synthesized by pulsed laser fragmentation in liquid to attain a simple, efficient, ligand-free method for nanoparticle fabrication. By combining simple fabrication processes with a promising device architecture, highly sensitive ZnO nanoparticle/graphene UV photodetectors were successfully demonstrated. View Full-Text
Keywords: graphene; laser fragmentation; laser processing; nanoparticles; ultraviolet photodetection; zinc oxide graphene; laser fragmentation; laser processing; nanoparticles; ultraviolet photodetection; zinc oxide
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MDPI and ACS Style

Charipar, K.; Kim, H.; Piqué, A.; Charipar, N. ZnO Nanoparticle/Graphene Hybrid Photodetectors via Laser Fragmentation in Liquid. Nanomaterials 2020, 10, 1648. https://doi.org/10.3390/nano10091648

AMA Style

Charipar K, Kim H, Piqué A, Charipar N. ZnO Nanoparticle/Graphene Hybrid Photodetectors via Laser Fragmentation in Liquid. Nanomaterials. 2020; 10(9):1648. https://doi.org/10.3390/nano10091648

Chicago/Turabian Style

Charipar, Kristin; Kim, Heungsoo; Piqué, Alberto; Charipar, Nicholas. 2020. "ZnO Nanoparticle/Graphene Hybrid Photodetectors via Laser Fragmentation in Liquid" Nanomaterials 10, no. 9: 1648. https://doi.org/10.3390/nano10091648

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