Metal–polymer hybrid nanomaterials for plasmonic ultrafast hydrogen detection

Nugroho, Ferry Anggoro Ardy; Darmadi, Iwan; Cusinato, Lucy; Susarrey-Arce, Arturo; Schreuders, Herman; Bannenberg, Lars J.; Fanta, Alice Bastos da Silva; Kadkhodazadeh, Shima; Wagner, Jakob Birkedal; Antosiewicz, Tomasz J.; Hellman, Anders; Zhdanov, Vladimir P.; Dam, B.; Langhammer, Christoph

doi:10.1038/s41563-019-0325-4

Cited by 241 publications

(367 citation statements)

References 51 publications

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“…Hydrogen absorption by metals is physically of considerable intrinsic interest [1,2] and also important from the perspectives of various applications including hydrogen storage, heat storage, metal hydride batteries, hydrogen sensors, smart windows, and switchable mirrors (see, e.g., [1][2][3][4] and references therein). In this area, the H-Pd system is generic.…”

Section: Introductionmentioning

confidence: 99%

Suppression of hysteresis in absorption of hydrogen by a Pd-Au alloy

Mamatkulov

Zhdanov

2020

Phys. Rev. E

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Hydrogen absorption by Pd exhibits hysteresis loops (provided the temperature is not too high) and represents one of the classical examples of first-order phase transitions in metals. Experiments indicate that addition of even a small amount of Au is able to suppress hysteresis. From this perspective, we analyze the energetics of hydrogen in a Pd-Au alloy by using extensive density-functional-theory (DFT) calculations. The dependence of the hydrogen binding energy on the number (n) of Au atoms forming an adsorption site is found to be appreciably nonlinear. With the DFT input for statistical calculations, we reproduce special features of the hydrogen absorption isotherms and explain the rapid decrease of the corresponding critical temperature with increasing Au fraction. The key factor here is that the phase transition is related primarily to absorption in sites formed only by Pd. With increasing Au amount, the fraction of such sites rapidly decreases, the distance between H atoms located there becomes on average larger, the interaction between them becomes weaker, and accordingly the driving force for the phase transition decreases. It is of interest that all these effects can be illustrated by taking only the configurations with n 2 into account. This means that in the context under consideration the fine details of the dependence of the hydrogen binding energy on n are in fact not too important.

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Section: Introductionmentioning

confidence: 99%

Suppression of hysteresis in absorption of hydrogen by a Pd-Au alloy

Mamatkulov

Zhdanov

2020

Phys. Rev. E

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“…Currently, metal‐polymer membranes offer an alternative approach for conducting heterogeneous chemical transformation reactions. The membrane could act not only as a liquid/gas phase contactor, but also as the support for a solid catalyst . In a previous work, Liu et al.…”

Section: Introductionmentioning

confidence: 93%

“…The catalytic activity of all the membrane reactors significantly surpassed that of conventional batch reactors due to the improved mass transport. These studies provide new insights for the rational design of membrane reactors for industrial applications …”

Section: Introductionmentioning

confidence: 99%

A Highly Active, Readily Synthesized and Easily Separated Graphene Oxide (GO)/Polyethersulfone (PES) Catalytic Membrane for Biodiesel Production

Tian

et al. 2020

ChemistrySelect

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Heterogeneous acidic catalysts offer many advantages such as lower corrosion, easier separation and lower production cost compared with homogeneous sulfuric acid. Graphene oxide (GO) containing trace amount of oxygen-containing functional groups have been demonstrated to be effective carbon-based solid acid catalyst. However, GO are difficult to be recovered from liquid reaction system for further utilization. Graphene oxide/Polyethersulfone (PES) catalytic membranes were prepared and employed as heterogeneous acid catalysts in the esterification of oleic acid with methanol for biodiesel production. The membrane was annealed at different temper-atures to promote the catalytic activity and reusability. As predicted, the OA conversion increased greatly with the increase of GO content in the membrane. Both internal and external diffusion have no influence on the catalytic activity. The catalytic membrane dosage, reaction temperature and methanol/oleic acid molar ratio affected its catalytic performance significantly. Among all the prepared membranes, the membrane annealed at 150°C exhibited the best catalytic performance, with a conversion of over 85 % even after six cycles.

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“…An ideal plasmonic material for next‐generation plasmonic devices would be easy to fabrication, functionalization, and continuously tunable . Monolayer colloidal crystals (MCCs), which are ordered arrays of nanoscale silicon dioxide (SiO 2 ), polystyrene (PS), polymethyl methacrylate (PMMA), Au/Ag particles, could meet all these properties . Among them, stimulated by the great developments in colloidal self‐assembly technology, there are growing efforts in fabricating 2D plasmonic periodic arrays with PS MCCs for the excitation of surface plasmon polaritons (SPP)s to achieve idea sensing performance .…”

Section: Introductionmentioning

confidence: 99%

Interfacial Capillary‐Force‐Driven Self‐Assembly of Monolayer Colloidal Crystals for Supersensitive Plasmonic Sensors

Wang

Chen

et al. 2020

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Colloidal lithography technology based on monolayer colloidal crystals (MCCs) is considered as an outstanding candidate for fabricating large‐area patterned functional nanostructures and devices. Although many efforts have been devoted to achieve various novel applicatons, the quality of MCCs, a key factor for the controllability and reproducibility of the patterned nanostructures, is often overlooked. In this work, an interfacial capillary‐force‐driven self‐assembly strategy (ICFDS) is designed to realize a high‐quality and highly‐ordered hexagonal monolayer MCCs array by resorting the capillary effect of the interfacial water film at substrate surface as well as controlling the zeta potential of the polystyrene particles. Compared with the conventional self‐assembly method, this approach can realize the reself‐assembly process on the substrate surface with few colloidal aggregates, vacancy, and crystal boundary defects. Furthermore, various typical large‐scale nanostructure arrays are achieved by combining reactive ion etching, metal‐assisted chemical etching, and so forth. Specifically, benefiting from the as‐fabricated high‐quality 2D hexagonal colloidal crystals, the surface plasmon resonance (SPR) sensors achieve an excellent refractive index sensitivity value of 3497 nm RIU−1, which is competent for detecting bovine serum albumin with an ultralow concentration of 10−8 m. This work opens a window to prepare high‐quality MCCs for more potential applications.

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Metal–polymer hybrid nanomaterials for plasmonic ultrafast hydrogen detection

Cited by 241 publications

References 51 publications

Suppression of hysteresis in absorption of hydrogen by a Pd-Au alloy

Suppression of hysteresis in absorption of hydrogen by a Pd-Au alloy

A Highly Active, Readily Synthesized and Easily Separated Graphene Oxide (GO)/Polyethersulfone (PES) Catalytic Membrane for Biodiesel Production

Interfacial Capillary‐Force‐Driven Self‐Assembly of Monolayer Colloidal Crystals for Supersensitive Plasmonic Sensors

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