Abstract
AbstractAs discussed in the previous chapters, organic semiconductors with tailored chemical structures can achieve decent charge transport properties and can be used to make OTFT devices. In addition to charge transport properties, some organic semiconductors can also realize high-light-absorption coefficients, which makes them candidates for photovoltaic applications. Considering the ease and flexibility of their synthesis, organic semiconductors can be rationally designed to have the desired optical and electronic properties along with good solution processability. As a matter of fact, photovoltaics based on organic active layers, known as organic photovoltaics (OPVs), are an important branch of organic electronics research and are one of the most promising emerging PV technologies. Unlike PVs based on inorganic materials whose active layers have limited material choices, the field of OPVs has witnessed several generations of materials with thousands of molecular structures developed to date.
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