Researchers have achieved a breakthrough in the controlled growth of atomically thin quantum nanoribbons (NRs) made from transition metal dichalcogenides (TMDs) using a vapor-liquid-solid method. This approach involves nanoalloy seed particles to regulate the width of single-layer nanoribbons, which can be scaled down to just 7 nm. The study revealed that growth rates are influenced by width through the Gibbs-Thomson effect, enabling precise control over NR dimensions. These nanoribbons exhibit width-dependent photoluminescence and strain-induced quantum emission, making them promising candidates for quantum optoelectronic applications, including single-photon sources. This innovation could revolutionize the development of quantum materials and devices by leveraging the distinct quantum and mechanical properties of these ultra-thin nanostructures.
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https://www.nature.com/articles/s41467-024-54413-9
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