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Technique Engineers More Efficient Layered Perovskites

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RALEIGH, N.C., Oct. 17, 2024 — North Carolina State University (NC State) researchers have developed and demonstrated a technique that allows them to engineer a class of materials called layered hybrid perovskites (LHPs) down to the atomic level, which dictates how the materials convert electrical charge into light. The technique opens the door to engineering materials tailored for use in next-generation printed LEDs and lasers – and holds promise for engineering other materials for use in photovoltaic devices. LHPs consist of thin sheets of perovskite semiconductor material that are separated from each other by...Read full article

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    Published: October 2024
    Glossary
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    x-ray diffraction
    The bending of x-rays by the regular layers of molecules in a crystal acting like a very small diffraction grating. The diffraction pattern so obtained and recorded on film provides a means for analyzing the crystal structure.
    Research & Technologyperovskiteslayered hybrid perovskitesspectroscopyquantumquantum wellssolarphotovoltaicsindustrialoptical spectroscopyx-ray diffractionAmericasNorth Carolina State University

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