Fast Evaporation Enabled Ultrathin Polymer Coatings on Nanoporous Substrates for Highly Permeable Membranes

Shi, Xiansong; Wang, Lei; Yan, Nina; Wang, Zhaogen; Guo, Leiming; Steinhart, Martin; Wang, Yong

doi:10.1016/j.xinn.2021.100088

Cited by 7 publications

(2 citation statements)

References 54 publications

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“…For thick films a crystalline skin is formatted [77] that consists of a glassy layer formation on top of the evaporating solution at the air-sample interface, because the solvent removal rate is faster compared to the "bulk" solution system [78].…”

Section: Preparation Of Doped Pva Filmsmentioning

confidence: 99%

Metal Doped PVA Films for Opto-Electronics-Optical and Electronic Properties, an Overview

Bulinski

2021

Molecules

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Polyvinyl alcohol is unique among polymers. Apart from its preparation, it is not built up in polymerization reactions from monomers, unlike most vinyl-polymers, and it is biodegradable in the presence of suitably acclimated microorganisms. It is an environmentally friendly material for a wide range of applications, from medical ones, based on its biocompatibility, to integrated optics. This paper reviews, in addition to the preparation and optimization of films of polyvinyl alcohol doped with different metal species, the role of dopants and doping technologies in the involved electronic mechanism. The optical properties were studied by UV-VIS-IR, Mössbauer spectroscopy, and other measurement techniques, with applications such as real-time holography, microlasers, optical sensors or nanophotonics in mind.

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Section: Preparation Of Doped Pva Filmsmentioning

confidence: 99%

Metal Doped PVA Films for Opto-Electronics-Optical and Electronic Properties, an Overview

Bulinski

2021

Molecules

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“…Moreover, optimizing the nanostructures of the carbon materials can also enhance their electrochemical performance for HER. So far, the widely used substrate in metal–support electrocatalysts is hollow structure particles after introducing separated nanosized active sites. − In order to engineer the nanoarchitecture of derived materials, controlled thermal annealing and wet chemical reactions are widely used methods to obtain hollow carbon spheres (HCSs) which are highly designable templates. − For example, Wang et al. fabricated CoP nanoparticles, which are embedded with high-density Ru SAs, and then loaded them on the surface of N-doped HCSs.…”

Section: Introductionmentioning

confidence: 99%

Platinum Cluster Decoration on Hollow Carbon Spheres for High-Efficiency Hydrogen Evolution Reaction

Wang,

Wu,

Liu

et al. 2024

Langmuir

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Currently, platinum (Pt)/carbon support composite materials have tremendous application prospects in the hydrogen evolution reaction (HER). However, one of the primary challenges for boosting their performance is designing a substrate with the desired microstructure. Herein, the intact hollow carbon spheres (HCSs) were prepared via template method. Based on the morphology variation of the as-prepared HCSs-x, we conjectured that the polydopamine (PDA) core was generated first and then slowly grew into a complete overburden (SiO 2 @PDA). Afterward, Pt atomic clusters were anchored on the outer shells of HCSs-4 to construct composite electrocatalysts (Pt y /HCSs-4) by a chemical reduction method. Due to the low charge-transfer resistance, the HCSs have a large electrochemical surface area and provide a continuous electron transport pathway, boosting the atom utilization efficiency during hydrogen production and release. The synthesized Pt 2.5 /HCSs-4 electrocatalysts exhibit excellent HER activity in acidic media, which can be ascribed to the compositional modulation and delicate structural design. Specifically, when the overpotential is 10 A g −1 , the overpotential can achieve 92 mV. This work opens a new route to fabricate Pt-based electrocatalysts and brings a new understanding of the formation mechanism of HCSs.

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Ethylenediamine modulate bonding interaction of solvation structure for wide-temperature aqueous ammonium-ion capacitor

Ouyang,

Yang,

Chen

et al. 2024

Journal of Colloid and Interface Science

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Fast Evaporation Enabled Ultrathin Polymer Coatings on Nanoporous Substrates for Highly Permeable Membranes

Abstract: Fast solvent evaporation is developed to produce UPCFs on porous substrates-Selective swelling to cavitate block copolymers to form interconnected mesopores-UPCFs enable the preparation of highly permeable membranes ll www.cell.com/the-innovation

Cited by 7 publications

References 54 publications

Metal Doped PVA Films for Opto-Electronics-Optical and Electronic Properties, an Overview

Metal Doped PVA Films for Opto-Electronics-Optical and Electronic Properties, an Overview

Platinum Cluster Decoration on Hollow Carbon Spheres for High-Efficiency Hydrogen Evolution Reaction

Ethylenediamine modulate bonding interaction of solvation structure for wide-temperature aqueous ammonium-ion capacitor

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