Graphene Quantum Dot-Based Organic Solar Cells

Abstract

Current research in organic photovoltaic (OPV) is largely focused on the development of low cost OPV materials such as semiconductor quantum dots (QDs). Graphene quantum dots (GQDs) are a fascinating class of QDs having size below 10 nm. They have emerged as an alternative to semiconductor QDs in photovoltaics due to their size-dependent photoluminescence (PL) and tunable band gap properties. They are expected to be a versatile candidate due to their low cost, non-toxicity, and biocompatibility. Recently, it has been shown that they are promising for efficient light harvesting in solar cells. Keeping this in view, we present a comprehensive review of the progress made so far for the application of GQDs in organic solar cells.