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Colloidal Quantum Dot Optoelectronics and Photovoltaics by Edward H. Sargent, Gerasimos Konstantatos

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9 Heterojunction solar cells based on colloidal quantum dots

Jeffrey J. Urban and Delia J. Milliron

9.1 Introduction

Solar cells based on inorganic semiconductor nanocrystals or colloidal quantum dots (CQDs) aim to capture the benefits of inorganic materials, the advantages of solution processing, and the unique size-dependent properties of these materials. Inorganic semiconductors are ideal for fabricating highly efficient solar cells as they absorb a broad range of light and transport charge effectively. However, bulk and traditional thin film inorganic semiconductors require ...

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