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quantum dots

Flexible perovskite quantum dot solar cell with 15.1% efficiency

An international research team has developed a PV cell with all-inorganic cesium-lead iodide (CsPbI3) perovskite. The scientists added phenyl-C61-butyric acid methyl ester (PCBM), one of the best electron acceptors in organic PV cells, into the CsPbI3 quantum dot layer.

Lead-free quantum dot solar cells with 10% efficiency

Scientists in the United States have created a quantum dot solar cell which has a photon-to-electron conversion efficiency of 85%. The device is also said to exhibit remarkable defect tolerance and toxic-element-free composition.

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Hybrid tandem quantum dot solar cell with 12.8% efficiency

South Korean scientists have produced an organic, hybrid-series tandem PV device that combines quantum dots and organic bulk heterojunction photoactive materials. They claim that the cell has the highest efficiency among all reported colloidal quantum dot cells, including single-junction devices and tandem devices.

Quantum dot hybrid HTJ cell with 12.82% efficiency

South Korean researchers have developed a hybrid tandem solar cell based on quantum dots and organic bulk heterojunction (BHJ) photoactive materials. They claim that the cell could reach an efficiency rate of around 15% if they continue to reduce energy losses in the quantum dot cell and enhance near-infrared absorption.

Russian scientists investigate quantum dot solids for PV applications

Researchers at the Moscow Engineering Physics Institute (MEPhI) have developed next-generation solids consisting of quantum dots (QD), or semiconductor crystals with a diameter of just few nanometers, that could deliver a big step towards cheaper and more efficient photovoltaic devices.

NREL develops controllable quantum dot systems

Researchers at the United States National Renewable Energy Laboratory (NREL) have developed a new designer quantum dot system, which allows for greater control over optoelectronic properties of the materials.

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