Stable, Cost-Effective TiN-Based Plasmonic Nanocomposites with over 99 Solar Steam Generation Efficiency

Yong Wang; Xiaolei Liu; Qingzhe ZhangChen WangShengyun HuangYannan LiuTing YuRuiqi YangGuozhu ChenMohamed ChakerDongling Ma

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Stable, Cost-Effective TiN-Based Plasmonic Nanocomposites with over 99 Solar Steam Generation Efficiency

机译：Stable, Cost-Effective TiN-Based Plasmonic Nanocomposites with over 99 Solar Steam Generation Efficiency

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Plasmonic nanoparticles (NPs), such as Au, Ag, and Cu, are considered aspromising photothermal materials and attract extensive attention for freshwaterproduction by solar steam generation. However, high cost, narrow absorptionrange and/or poor stability greatly limit their practical applications. Herein, ahigh-efficiency solar energy conversion material consisting of low-cost nonmetal,extremely thermally-stable plasmonic TiN NPs and hydrophilic semireducedgraphene oxide (semi-rGO), with broadband solar absorption capability,by a fast in situ microwave reduction method is prepared. The 2D semi-rGOserves as a support for the loading of plasmonic NPs, and meanwhile acceleratesthe transport and evaporation of water due to its hydrophilicity. Then,decoration of plasmonic TiN NPs further enhances the solar photon absorptionand hydrophilicity while suppressing the heat loss, thanks to the layered structureof TiN/semi-rGO, improving overall solar energy utilization. Owing to theenhanced absorption and unique layered nanostructure with strong interfacialinteraction, the optimal sample of TiN/semi-rGO-25% absorber achieves a highand stable water evaporation rate of ≈1.76 kg m~(?2) h~(?1) with an energy efficiencyas high as 99.1% under 1 sun illumination. Furthermore, this plasmonic TiN/semi-rGO absorber is capable of producing high-quality freshwater from sustainableseawater desalination and wastewater purification processes.

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来源
《Advanced functional materials》 |2023年第15期|2212301.1-2212301.11|共11页
作者
Yong Wang; Xiaolei Liu; Qingzhe ZhangChen WangShengyun HuangYannan LiuTing YuRuiqi YangGuozhu ChenMohamed ChakerDongling Ma;
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Institut National de la Recherche ScientifiqueVarennes J3X 1P7, Canada;

Institut National de la Recherche ScientifiqueVarennes J3X 1P7, Canada, State Key Laboratory of Crystal MaterialsShandong UniversityJinan 250100, China;

Institut National de la Recherche ScientifiqueVarennes J3X 1P7, Canada, School of Environmental Science and EngineeringShandong UniversityQingdao 266237, ChinaCenter for Advancing Electronics Dresden and Faculty of Chemistryand Food ChemistryTechnische Universit?t Dresden01062 Dresden, GermanySchool of Chemistry and Chemical EngineeringUniversity of JinanJinan 250022, China;

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energy conversion; graphene; localized surface plasmon resonance; plasmonic nanocomposites; titanium nitride;

Stable, Cost-Effective TiN-Based Plasmonic Nanocomposites with over 99 Solar Steam Generation Efficiency

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