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The development of conductive hydrogels has garnered significant attention in the field of wearable devices and smart sensors. However, the fabrication of hydrogels that possess both multifunctionality and structural stability remains a challenging task. In this study, a novel hydrogel, PHCB, was synthesized using a mild method and exhibited outstanding characteristics such as electrical conductivity, self-healing capability, antimicrobial activity, dimensional stability, and temperature sensitivity.

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Tunable Chiroptical Activity in Branched Ag@Au Nanoparticles with Molecular Chirality and Geometric Chirality.

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December 2024

State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, China.

Chiral plasmonic nanomaterials have attracted significant awareness due to their applications in chiral catalysis, biosensing, photonics, and separation. Constructing plasmonic core-shell nanomaterials with geometric chirality and desirable optical chirality is a crucial yet challenging task for extending the range of chiral plasmonic nanomaterials. Here, a two-step method is reported for the synthesis of Gold (Au) branches wrapped silver (Ag) nanocubes (L/DBAg@Au) with strong and tunable circular dichroism (CD) signals under the regulation of L/D-cysteine (L/D-Cys).

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The development of front-side pastes suitable for devices with high sheet resistance such as tunnel oxide passivated contact (TOPCon), is of great significance but remains a considerable challenge. The optimization of the Ag-Si contact interface is crucial for enhancing contact and improving the efficiency of these devices. This work investigates the front-side Ag pastes with low Al content (<2 wt.

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Bimetallic nanoparticles are used in numerous applications in catalysis, plasmonics or fuel cell technology. The addition of the second metal to the nanoparticles allows enhancing and fine-tuning their properties by choosing their composition, size, shape and environment. However, the crucial additional parameter of chemical structure within the particle is difficult to predict and access experimentally, even though segregated core-shell structures and random alloys can have drastically different physicochemical properties.

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Exposure of cell cultures at air-liquid interface (ALI), mimicking i.e. human lung surface, is believed to be one of the most realistic means to model toxicity of complex mixtures of pollutants on human health.

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