Results 171 to 180 of about 53,396 (250)

Mechanochemical Synthesis of Pristine and Li‐Doped Zinc Orthostannate from Separate and Blended Binary Oxide Precursors

open access: yesChemistry–Methods, EarlyView.
Mechanochemistry can be considered as the top‐down and bottom‐up synthetic methodology, but for the latter, there are some limitations, especially regarding particle size (nanometric species). It is presented that in specific precursors’ preparation and mild mechanosynthetic conditions, these limitations may be overstepped, which results in the ...
Wojciech Marynowski   +5 more
wiley   +1 more source

Highly Sensitive, Low‐Cost Deep‐UV Resonant Raman Microspectroscopy Systems

open access: yesChemistry–Methods, EarlyView.
Low‐cost deep UV resonant Raman microscope for chemical sensing and imaging has been developed and its performance has been experimentally validated for several potential applications. Multimodal imaging capabilities of a new instrument have been demonstrated as well.
Joseph Harrington   +5 more
wiley   +1 more source

Laboratory‐Based Time‐Resolved In Situ X‐Ray Absorption Spectroscopy for Tracking Transformations of Working Electrocatalysts

open access: yesChemistry–Methods, EarlyView.
The experimental setup presented in this work combining laboratory‐based X‐ray absorption spectroscopy with an electrochemical reactor advances the fundamental understanding of electrocatalysts at extended time scales. By the example of the electrochemical reduction of CO2, the parameters are discussed that are relevant for optimizing the system to ...
Martina Rüscher   +6 more
wiley   +1 more source

Few Steps, Big Impact: Recent Advances in the Streamlined Synthesis of Multiply Chiral Heterohelicenes with Tunable Optoelectronic Properties

open access: yesChemistry–Methods, EarlyView.
Heterohelicenes with multiple chiral axes have the potential to drive next‐generation technologies due to their unique structural and optoelectronic features. This review highlights innovative short‐step synthetic strategies for double and triple heterohelicenes, emphasizing their ease of preparation and valuable (chir)optical features, along with high
Mohamed S. H. Salem, Shinobu Takizawa
wiley   +1 more source

Capturing Electrochemically Galvanic Exchange Events between Silver and Gold in Nonequilibrium and Equilibrium Realms

open access: yesChemistry–Methods, EarlyView.
A new methodology is presented to study the kinetics of the galvanic replacement reaction between silver and gold, allowing, for the first time to our knowledge, real‐time monitoring of the dynamics of this redox reaction by quantifying the main driving force, that is, the time‐ and concentration‐dependent redox potential, which cannot be captured by ...
Bonito Aristide Karamoko   +2 more
wiley   +1 more source

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