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Synthesis of Porous ZnO Nanosheets and Carbon Nanotube Hybrids as Efficient Photocatalysts via Pulsed Laser Ablation

Department of Materials Science and Engineering, Hongik University, Sejong-ro 2639, Korea
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Catalysts 2019, 9(10), 787; https://doi.org/10.3390/catal9100787
Received: 3 September 2019 / Revised: 19 September 2019 / Accepted: 20 September 2019 / Published: 21 September 2019
(This article belongs to the Section Photocatalysis)
Zinc oxide (ZnO) has attractive photocatalytic properties. However, the high recombination rate of the photo-excited charge carriers on this material often restricts application. Here, we report that hybridization of one dimensional (1D) carbon nanotubes (CNT) on two dimensional (2D) porous ZnO nanosheets (NS) can be a promising strategy to overcome some of the challenges of ZnO. Specifically, a pulsed laser ablation technique was utilized to hybridize 1D CNT with 2D porous ZnO NS in environmentally friendly as well as super-economic (short time, less than 10 min) conditions. The synthesized ZnO NS-CNT hybrids show a significantly enhanced photocatalytic activity for water splitting relative to their counterpart ZnO NS. View Full-Text
Keywords: photocatalyst; water splitting; zinc oxide; carbon nanotube; pulsed laser ablation; nanocomposites photocatalyst; water splitting; zinc oxide; carbon nanotube; pulsed laser ablation; nanocomposites
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Ryu, Y.Y.; Kim, T.; Han, H. Synthesis of Porous ZnO Nanosheets and Carbon Nanotube Hybrids as Efficient Photocatalysts via Pulsed Laser Ablation. Catalysts 2019, 9, 787.

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