CuO/Cu<sub>2</sub>O nanowire arrays grafted by reduced graphene oxide: synthesis, characterization, and application in photocatalytic reduction of CO<sub>2</sub>

Qianyu Zhang; Lihua Huang; Shifei Kang; Chaochuang Yin; Zhen Ma; Lifeng Cui; Yangang Wang

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CuO/Cu₂O nanowire arrays grafted by reduced graphene oxide: synthesis, characterization, and application in photocatalytic reduction of CO₂

机译：还原氧化石墨烯接枝的CuO / Cu _{2 O纳米线阵列的合成，表征及在光催化还原CO _{2 中的应用}}

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CuO/Cu₂O nanowire arrays (NWAs) were prepared on a Cu foil substrate through a simple thermal process. The NWAs were then grafted with reduced graphene oxide (rGO) nanosheets via self-assembly. The combination of various characterization techniques including SEM, TEM, XRD, and XPS revealed the unique integration between CuO/Cu₂O NWAs and umbrella-like rGO nanosheets. The CuO/Cu₂O NWAs@rGO sample was found to be more active than bare CuO/Cu₂O NWAs for the photocatalytic reduction of CO₂ under simulated solar light. The improved photocatalytic activity was attributed to the slow recombination of charge carriers and the efficient transfer of photo-generated electrons through rGO nanosheets.

机译：通过简单的热处理，在铜箔基板上制备了CuO / Cu _{2 O纳米线阵列（NWA）。然后通过自组装将NWAs与还原氧化石墨烯（rGO）纳米片进行接枝。 SEM，TEM，XRD和XPS等多种表征技术的结合揭示了CuO / Cu _{2 O NWAs与伞状rGO纳米片之间的独特结合。发现CuO / Cu _{2 O NWAs @ rGO样品比裸CuO / Cu _{2 具有更高的活性O NWAs在模拟太阳光下光催化还原CO _{2 。改善的光催化活性归因于电荷载流子的缓慢重组以及光生电子通过rGO纳米片的有效转移。}}}}} 展开▼

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《RSC Advances》 |2017年第69期|共6页

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Qianyu Zhang; Lihua Huang; Shifei Kang; Chaochuang Yin; Zhen Ma; Lifeng Cui; Yangang Wang;
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中图分类化学;

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1. CuO/Cu2O nanowire arrays grafted by reduced graphene oxide: synthesis, characterization, and application in photocatalytic reduction of CO2 [J] . Zhang Qianyu, Huang Lihua, Kang Shifei, RSC Advances . 2017,第69期

机译：由石墨烯氧化物的CuO / Cu2O纳米线阵列：合成，表征和在CO 2的光催化还原中的应用

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CuO/Cu2O nanowire arrays grafted by reduced graphene oxide: synthesis, characterization, and application in photocatalytic reduction of CO2

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CuO/Cu₂O nanowire arrays grafted by reduced graphene oxide: synthesis, characterization, and application in photocatalytic reduction of CO₂