2021
DOI: 10.1021/acsami.1c02586
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Synthesis of a Co–Sn Alloy-Deposited PTFE Film for Enhanced Solar-Driven Water Evaporation via a Super-Absorbent Polymer-Based “Water Pump” Design

Abstract: Solar-driven water evaporation is a promising solution to water pollution, the energy crisis, and water shortages. However, the approach in which the photothermal film is in direct contact with bulk water for water evaporation may lead to a large amount of heat loss, thereby reducing the light-to-heat conversion efficiency (η) of the photothermal film. Here, a highly efficient solar-driven water evaporation system was developed using a Co–Sn alloy-deposited Teflon (PTFE) film (Co–Sn alloy@PTFE) and super-absor… Show more

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Cited by 17 publications
(6 citation statements)
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“…Figure b shows the Co X-ray photoelectron spectroscopy (XPS) spectra of hollow CoSn(OH) 6 @CoOOH. The binding energy peaks at 789.1 and 797.1 eV can be assigned to the spin–orbit coupling of Co 2+ . The two peaks observed at 780.2 and 795.5 eV can be ascribed to the spin–orbit couplings of Co 3+ , further proving the existence of CoOOH on the surface of hollow CoSn(OH) 6 .…”
Section: Resultsmentioning
confidence: 80%
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“…Figure b shows the Co X-ray photoelectron spectroscopy (XPS) spectra of hollow CoSn(OH) 6 @CoOOH. The binding energy peaks at 789.1 and 797.1 eV can be assigned to the spin–orbit coupling of Co 2+ . The two peaks observed at 780.2 and 795.5 eV can be ascribed to the spin–orbit couplings of Co 3+ , further proving the existence of CoOOH on the surface of hollow CoSn(OH) 6 .…”
Section: Resultsmentioning
confidence: 80%
“…Additionally, the surface of CoSn(OH) 6 @CoOOH contained more Co than that of CoSn(OH) 6 (Table S2). As shown in Figure S5, the two peaks at 781.3 and 797.4 eV can be ascribed to the spin–orbit coupling of Co 2+ ions . The binding energies at 495.3 and 486.8 eV can be attributed to the characteristics of Sn 4+ ions .…”
Section: Resultsmentioning
confidence: 93%
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“…Seeking methods for efficient utilization of sunlight is an effective measure to alleviate this dilemma . Currently, some light absorbers, such as metal materials (e.g., Au, Ag, Al, and Pd), semiconductors (e.g., MXenes, Ti 2 O 3 , WS 2 , and MoS 2 ), and carbon-based materials [e.g., graphene, carbon nanotubes (CNTs), and graphite], have been employed in the research of solar absorption materials. Upon light excitation, they show different interesting phenomena. Metal materials can produce localized surface plasmon resonance, resulting in the generation of thermal electrons.…”
Section: Introductionmentioning
confidence: 99%
“…Compared to carbon nanotubes and graphene, porous carbons have the advantage of low price and easy to implement structural adjustment. ,, The researchers also found that defects on the surface of carbon materials play a very important role in photon absorption . For polymer and organic materials, the moving carriers, i.e., the concentration of the free electron, has a very important influence on the conversion efficiency of these materials. However, the effect of the free electron intensity of porous carbon materials on their conversion efficiency is not clear, and there are fewer related studies.…”
Section: Introductionmentioning
confidence: 99%