Self-assembled Janus plasmene nanosheets as flexible 2D photocatalysts

Fu, Runfang; Shi, Qianqian; Yong, Zi-Jun; Griffith, James C.; Yap, Lim Wei; Cheng, Wenlong

doi:10.1039/d0mh01275k

Cited by 12 publications

(11 citation statements)

References 44 publications

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“…In a plasmon-assisted PEC-CO 2 RR system, the plasma is first excited by illumination, where hot electron injection, plasmon-induced resonance energy transfer (PIRET), and light scattering/trapping should account for the light utilization (Figure b). For example, Au/Pd plasmon can enhance catalytic performance, as reported by Cheng and co-workers . Similarly, in a dye-sensitized PEC-CO 2 RR system, the dye can turn to an excited state and transfer holes or electrons to semiconductors (Figure c) .…”

Section: Concepts In Photoelectrochemical Systemsmentioning

confidence: 52%

System Engineering Enhances Photoelectrochemical CO₂ Reduction

et al. 2022

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The photoelectrochemical carbon dioxide reduction reaction (PEC-CO 2 RR) allows us to convert solar power to chemical energy with photosensitive materials. Semiconductor-based, plasmon-assisted, and dye-sensitized systems have been extensively investigated in the PEC-CO 2 RR. Beyond the remarkable progress in materials science, it is expected to realize new systems for satisfying the needs of both research discoveries and industry applications. In this Perspective, we summarize the latest progress in the field of the PEC-CO 2 RR, focusing on enhancing efficiencies via matching photoelectron flux, charge transfer rate, and mass transport rate. Based on the principles for the state-of-the-art PEC-CO 2 RR, new designs of the system engineering strategies on photoelectrode fabrication, reactor design, electrolyte optimization, and membrane selection are proposed to enhance selectivity and stability of the PEC-CO 2 RR.

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Section: Concepts In Photoelectrochemical Systemsmentioning

confidence: 52%

System Engineering Enhances Photoelectrochemical CO₂ Reduction

et al. 2022

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“…The design of soft plasmonic nanostructures has afforded flexible photocatalysts that can achieve solar‐to‐chemical energy transition. [ 37,38,124 ] Such designs can potentially allow further mimicking of natural soft plant systems. Figure a,b shows an example of a flexible photocatalyst obtained by integrating 2D multifunctional nanoassemblies with a soft hydrogel.…”

Section: Applicationsmentioning

confidence: 99%

Soft Plasmonics: Design, Fabrication, Characterization, and Applications

Lü

Cheng

2021

Advanced Optical Materials

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Plasmonic nanostructures are important building blocks in modern nanoscience and nanotechnology. Significant research efforts have been directed toward developing solution‐based or rigid‐substrate‐supported metallic nanostructures for novel applications in biophotonics, sensing, energy, and medicine. In parallel, there has been an increasing interest in the fabrication of plasmonic nanostructures on elastomeric substrates and exploring the impact of mechanical deformation including bending, torsion, and stretching on the collective plasmonic resonance properties. This burgeoning field may be defined as soft plasmonics (or soft mechanoplasmonics), analogous to soft electronics. This review describes the recent progress in the design, fabrication, characterization, properties, and applications of soft plasmonics. Soft plasmonics are expected to afford complementary features and functions to the field of soft electronics, enabling applications that are difficult or impossible to achieve with traditional rigid plasmonic structures, such as conformal attachment or integration with soft biological systems for real‐time sensing, actuation, and close‐loop feedback.

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“…These ultrathin 2D plasmonic materials have found application in surface enhanced Raman scattering (SERS) substrates, 5,7 anticounterfeiting, 8 plasmonic skin, 9 and artificial leaves. 10 As the constituent building blocks of these systems have been mainly solid nanocrystals, we are motivated to construct a new 2D nanoassembly system using structurally open yet complex building blocks: plasmonic matryoshka nanoframes. A nanosphere-in-a-nanoshell has been successfully synthesized by introducing a dielectric silica layer between an Au core and an Au shell layer.…”

Section: ■ Introductionmentioning

confidence: 99%

“…The collective plasmonic properties of these assemblies were found to be highly tunable by adjusting the interparticle distance or orientation and the size and chemical elements of the constituent building blocks. These ultrathin 2D plasmonic materials have found application in surface enhanced Raman scattering (SERS) substrates, , anticounterfeiting, plasmonic skin, and artificial leaves …”

Section: Introductionmentioning

confidence: 99%

Two-Dimensional Nanoassemblies from Plasmonic Matryoshka Nanoframes

Shi

Sikdar

et al. 2021

J. Phys. Chem. C

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Two-dimensional (2D) plasmonic nanoassemblies are programmable ultrathin materials that one can, in principle, adjust the size and shape of their constituent building blocks to fine-tune collective optical, electrical, and mechanical properties. Here, we report a new 2D nanoassembly from structurally complex plasmonic building blocks, namely, matryoshka-like gold (Au) nanoframes. Using a seed-mediated alternating deposition of Au and silver (Ag) elements in conjunction with a selective etching process, we obtain monodisperse matryoshka-like Au nanoframes with a nesting number (N n) of up to 5. A cubic nanoframe displays dominant intraplasmonic coupling attributed to bonding and antibonding dipolar modes, which shift to blue and red, respectively, with an increased N n. Combined with polystyrene (PS) ligand exchange and drying-mediated self-assembly, the approach mentioned above can be used to produce 2D plasmonic matryoshka nanoassemblies. Both experimental and simulation results demonstrate the presence of intra- and inter-ridge plasmonic coupling in the nanoassemblies. The 5-nested nanomatryoshka assemblies exhibit a Raman enhancement 14-fold greater than those with 1-nested cubic nanomatryoshka, demonstrating the dominant intraridge hot spot effects. Taking advantage of interparticle distance-dependent optical transparency of 2D matryoshka nanoframe assemblies, we further demonstrate temperature-enabled encryption/decryption using thermoresponsive polymers.

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Self-assembled Janus plasmene nanosheets as flexible 2D photocatalysts

Abstract: Leaf is a free-standing photocatalytic system that can effectively harvest solar energy and convert CO2 and H2O into carbohydrates in a continuous manner without the need of regeneration or tedious...

Cited by 12 publications

References 44 publications

System Engineering Enhances Photoelectrochemical CO₂ Reduction

System Engineering Enhances Photoelectrochemical CO₂ Reduction

Soft Plasmonics: Design, Fabrication, Characterization, and Applications

Two-Dimensional Nanoassemblies from Plasmonic Matryoshka Nanoframes

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Self-assembled Janus plasmene nanosheets as flexible 2D photocatalysts

Abstract: Leaf is a free-standing photocatalytic system that can effectively harvest solar energy and convert CO2 and H2O into carbohydrates in a continuous manner without the need of regeneration or tedious...

Cited by 12 publications

References 44 publications

System Engineering Enhances Photoelectrochemical CO2 Reduction

System Engineering Enhances Photoelectrochemical CO2 Reduction

Soft Plasmonics: Design, Fabrication, Characterization, and Applications

Two-Dimensional Nanoassemblies from Plasmonic Matryoshka Nanoframes

Contact Info

Product

Resources

About

System Engineering Enhances Photoelectrochemical CO₂ Reduction

System Engineering Enhances Photoelectrochemical CO₂ Reduction