Upcycled graphene integrated fiber-based photothermal hybrid nanocomposites for solar-driven interfacial water evaporation

被引：20

作者：

Khoei, Jalal Karimzadeh ^{[1
,2
]}

Bafqi, Mohammad Sajad Sorayani ^{[1
,2
,3
,4
]}

Saeidiharzand, Shaghayegh ^{[1
,2
]}

Mohammadilooey, Mandana ^{[1
,2
]}

Hezarkhani, Marjan ^{[3
,4
]}

Okan, Burcu Saner ^{[2
,3
]}

Kosar, Ali ^{[1
,2
,5
]}

Sadaghiani, Abdolali K. ^{[1
,2
,5
]}

机构：

[1] Sabanci Univ, Nanotechnol Res & Applicat Ctr, SUNUM, Istanbul, Turkiye

[2] Sabanci Univ, Fac Engn & Nat Sci, Tuzla, Turkiye

[3] Sabanci Univ, Integrated Mfg Technol Res & Applicat Ctr, Istanbul, Turkiye

[4] Composite Technol Ctr Excellence Mfg Technol, Istanbul, Turkiye

[5] Sabanci Univ, Ctr Excellence Funct Surfaces & Interfaces EFSUN, Istanbul, Turkiye

来源：

DESALINATION | 2023年 / 562卷

关键词：

Photothermal evaporation; Solar steam generation; Composite membranes; Carbon-based solar absorbers; Water desalination; Upcycled graphene; DISTILLATION; EFFICIENT; SYSTEMS; DESIGNS; LAYER;

D O I：

10.1016/j.desal.2023.116707

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Solar-driven interfacial evaporation is an efficient and viable solution for providing freshwater, especially in remote areas that utilize sunlight for water purification and desalination systems. This study proposes a practical preparation method for a photothermal nanocomposite, compromising Polyacrylonitrile (PAN) nanofibrous membrane, crosslinked PVA, and upcycled Graphene Nanoplatelets (GNP). The synergistic effect between the PAN nanofibers and PVA/GNP nanocomposite and the contributing factors to the overall performance is examined. It was found that the initial thickness of the PAN nanofibrous layer has an inverse effect on the evaporation rate. The obtained results indicated that while the GNP content enhances the photothermal activity, it deteriorates the water absorbency of the nanocomposite; thus, an optimized concentration should be obtained. By investigating different parameters for the evaporator, we obtained an evaporation rate of 1.40 kg/m2h under 1 sun of illumination.

引用

页数：12

共 72 条

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