DataVXAdvanced Functional MaterialsPaper
journal article·2024-02Open access

A Universal Design Strategy Based on NiPS3 Nanosheets towards Efficient Photothermal Conversion and Solar Desalination

Honglei Wang, Yifan Bo, Malte Klingenhof, Jiali Peng, Dong Wang, Bing Wu, Jörg Pezoldt, Pengfei Cheng, Andrea Knauer, Weibo Hua, Hongguang Wang, Peter A. van Aken, Zdenek Sofer, Peter Strasser, Dirk M. Guldi, Peter Schaaf

Advanced Functional Materials· Volume 34· Issue 8
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Source abstract

Abstract

Abstract 2D nanomaterials are proposed as promising photothermal materials for interfacial photothermal water evaporation. However, low evaporation efficiency, the use of hazardous hydrofluoric solution, and poor stability severely limit their practical applications. Here, a mixed solvent exfoliation surface deposition (MSESD) strategy for the preparation of NiPS3 nanosheets and NiPS3/polyvinyl alcohol (PVA) converter is successfully developed. The converter is obtained by drop‐casting the NiPS3/PVA nanosheets onto a sponge. The PVA is mainly deposited on the edge of NiPS3 nanosheets, which not only improves the stability of NiPS3 nanosheets, but also adheres to the sponge to prepare a 3D photothermal converter, which shows an evaporation rate of 1.48 kg m−2 h−1 and the average photothermal conversion efficiency (PTCE) of 93.5% under a light intensity of 1 kW m−2. The photothermal conversion mechanism reveals that the energy of absorbed photons in NiPS3 nanosheets can be effectively converted into heat through non‐radiative photon transitions as well as multiple optical interactions. To the best of the knowledge, this is the first report on the application of 2D metal‐phosphorus‐chalcogen (MPChx) for solar desalination, which provides new insights and guidance for the development of high‐performance 2D photothermal materials.
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Research context

NanomaterialsMaterials processing

OpenAlex topics: Solar-Powered Water Purification Methods · Solar Thermal and Photovoltaic Systems · Solar Radiation and Photovoltaics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Chair Materials for Electrical Engineering and Electronics Institute of Materials Science and Engineering and Institute of Micro and Nanotechnologies MacroNano TU Ilmenau Gustav‐Kirchhoff‐Str. 5 98693 Ilmenau Germany

Department of Chemistry and Pharmacy Interdisciplinary Center for Molecular Materials Friedrich‐Alexander‐Universität (FAU) Erlangen‐Nürnberg Egerlandstraße 3 91058 Erlangen Germany

The Electrochemical Energy, Catalysis and Materials Science Laboratory Department of Chemistry Chemical Engineering Division Technical University Berlin 10623 Berlin Germany

Institute for Applied Materials (IAM) Karlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany

Department of Inorganic Chemistry University of Chemistry and Technology Prague Technická 5 Prague 6 166 28 Czech Republic

Fachgebiet Nanotechnologie Institut für Mikro und Nanotechnologie TU Ilmenau Gustav‐Kirchhoff‐Str. 1 98693 Ilmenau Germany

Institute of Micro‐ and Nanotechnologies MacroNano TU Ilmenau Gustav‐Kirchhoff‐ Str.7 D‐98693 Ilmenau Germany

School of Chemical Engineering and Technology Xi'an Jiaotong University Xi'an Shaanxi 710049 China

Max Planck Institute for Solid State Research Heisenbergstr. 1 70569 Stuttgart Germany

Funding

China Scholarship Council · Horizon 2020 Framework Programme

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