Multifunctional Phra Phrom‐like Graphene‐Based Membrane for Environmental Remediation and Resources Regeneration
Source abstract
Abstract
Abstract Water and energy shortages are interdependent major worldwide issues that cannot be disregarded. In this work, graphene and BaTiO3 are used to synergistically facilitate the self‐assembly of the β‐phase that is known to induce the piezoelectric properties of the polyvinylidene fluoride (PVDF). This leads to a PVDF/graphene‐BaTiO3 nanocomposite with a unique capability of integrating Phra Phrom‐like four functions into one single asymmetric membrane: i) solar evaporation, ii) power generation, iii) piezo‐photodegradation, and iv) self‐cleaning/monitoring for environmental remediation and resources regeneration. The high heat accumulation capability and piezoelectric performance of the membrane enable it to simultaneously achieve a water production rate of 0.99 kgm−2h−1, in compliance with WHO standards, and a maximum power output of 5.73 Wm−2 in simulated natural environments. Upon subjecting the membranes to environmental cleaning, they not only show a 93% dye degradation rate due to the synergistic effect of piezoelectricity and photocatalysis but also resolve the membrane fouling issue, exhibiting ≈200% resistance change compared to the static state. The successful integration of these four functions into one membrane shows the great potential of this work toward a more sustainable and viable water and energy production approach.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Solar-Powered Water Purification Methods · Advanced Sensor and Energy Harvesting Materials · Membrane Separation Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Graduate Institute of Applied Science and Technology Advanced Membrane Materials Research Center National Taiwan University of Science and Technology Taipei 10607 Taiwan
Department of Materials and Textiles Asia Eastern University of Science and Technology Taipei 22061 Taiwan
Department of Physics Faculty of Mathematics and Natural Sciences Universitas Indonesia Depok 16424 Indonesia
Department of Chemical Engineering National Taiwan University Taipei 10617 Taiwan
Department of Mechanical Engineering National Taipei University of Technology Taipei 10617 Taiwan
Institute of Advanced Semiconductor Packaging and Testing National Sun Yat‐sen University Kaohsiung 804201 Taiwan
Department of Chemistry National Taiwan Normal University Taipei 11677 Taiwan
Green Energy and Environment Research Laboratories Industrial Technology Research Institute Hsinchu 31057 Taiwan
R&D Center for Membrane Technology and Department of Chemical Engineering Chung Yuan University Chung Li 32023 Taiwan
Department of Chemical Engineering and Materials Science Yuan Ze University Taoyuan 320315 Taiwan
Funding
National Science and Technology Council · Science for Equity, Empowerment and Development Division
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