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Hydrothermally Modified 3D Porous Loofah Sponges with MoS2 Sheets and Carbon Particles for Efficient Solar Steam Generation and Seawater Desalination
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2023-06-07 , DOI: 10.1021/acsami.3c05198 Jing Wu 1, 2 , Tingting Zhang 1, 2 , Jin Qu 1 , Fan-Zhen Jiao 1 , Chen Hu 2 , Hao-Yu Zhao 2 , Xiaofeng Li 1 , Zhong-Zhen Yu 2
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2023-06-07 , DOI: 10.1021/acsami.3c05198 Jing Wu 1, 2 , Tingting Zhang 1, 2 , Jin Qu 1 , Fan-Zhen Jiao 1 , Chen Hu 2 , Hao-Yu Zhao 2 , Xiaofeng Li 1 , Zhong-Zhen Yu 2
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Although the emerging interfacial solar steam generation technology is sustainable and eco-friendly for generating clean water by desalinating seawater and purifying wastewaters, salt deposition on the evaporation surface during solar-driven evaporation severely degrades the purification performances and adversely affect the long-term performance stability of solar steam generation devices. Herein, to construct solar steam generators for efficient solar steam generation and seawater desalination, three-dimensional (3D) natural loofah sponges with both macropores of the sponge and microchannels of the loofah fibers are hydrothermally decorated with molybdenum disulfide (MoS2) sheets and carbon particles. Benefiting from fast upward transport of water, rapid steam extraction, and effective salt-resistant capacity, the 3D hydrothermally decorated loofah sponge with MoS2 sheets and carbon particles (HLMC) with an exposed height of 4 cm can not only obtain heat by its top surface under the downward solar light irradiation based on the solar–thermal energy conversion but also gain environmental energy by its porous sidewall surface, achieving a competitive water evaporation rate of 3.45 kg m–2 h–1 under 1 sun irradiation. Additionally, the 3D HLMC evaporator exhibits long-term desalination stability during the solar-driven desalination of an aqueous salt solution with 3.5 wt % NaCl for 120 h without apparent salt deposition because of its dual type of pores and uneven structure distribution.
中文翻译：
含有 MoS2 片和碳颗粒的水热改性 3D 多孔丝瓜络海绵，用于高效太阳能蒸汽发电和海水淡化
尽管新兴的界面太阳能蒸汽发生技术对于通过海水淡化和净化废水产生清洁水来说是可持续且环保的，但太阳能驱动蒸发过程中蒸发表面的盐沉积严重降低了净化性能，并对长期性能稳定性产生不利影响。太阳能蒸汽发生装置。在此，为了构建用于高效太阳能蒸汽发电和海水淡化的太阳能蒸汽发生器，利用二硫化钼（MoS2）对具有海绵大孔和丝瓜纤维微通道的三维（3D）天然丝瓜络海绵进行水热装饰。）片材和碳颗粒。得益于水的快速向上输送、快速的蒸汽提取和有效的抗盐能力，暴露高度为4cm的MoS 2片和碳颗粒3D水热装饰丝瓜络海绵（HLMC）不仅可以通过其顶部获取热量基于太阳热能转换的表面在向下的太阳光照射下，还通过其多孔侧壁表面获得环境能量，实现了具有竞争力的水蒸发率3.45 kg m –2 h –11个太阳照射下。此外，由于其双重类型的孔隙和不均匀的结构分布，3D HLMC蒸发器在太阳能驱动的含3.5 wt% NaCl的盐水溶液120小时的脱盐过程中表现出长期脱盐稳定性，没有明显的盐沉积。
更新日期：2023-06-07
中文翻译：
含有 MoS2 片和碳颗粒的水热改性 3D 多孔丝瓜络海绵，用于高效太阳能蒸汽发电和海水淡化
尽管新兴的界面太阳能蒸汽发生技术对于通过海水淡化和净化废水产生清洁水来说是可持续且环保的，但太阳能驱动蒸发过程中蒸发表面的盐沉积严重降低了净化性能，并对长期性能稳定性产生不利影响。太阳能蒸汽发生装置。在此，为了构建用于高效太阳能蒸汽发电和海水淡化的太阳能蒸汽发生器，利用二硫化钼（MoS2）对具有海绵大孔和丝瓜纤维微通道的三维（3D）天然丝瓜络海绵进行水热装饰。）片材和碳颗粒。得益于水的快速向上输送、快速的蒸汽提取和有效的抗盐能力，暴露高度为4cm的MoS 2片和碳颗粒3D水热装饰丝瓜络海绵（HLMC）不仅可以通过其顶部获取热量基于太阳热能转换的表面在向下的太阳光照射下，还通过其多孔侧壁表面获得环境能量，实现了具有竞争力的水蒸发率3.45 kg m –2 h –11个太阳照射下。此外，由于其双重类型的孔隙和不均匀的结构分布，3D HLMC蒸发器在太阳能驱动的含3.5 wt% NaCl的盐水溶液120小时的脱盐过程中表现出长期脱盐稳定性，没有明显的盐沉积。
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