<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>CuInS<sub>2</sub> nanocrystals are synthesized by a microwave irradiation method from mixtures of CuCl<sub>2</sub>, InCl<sub>3</sub>, thiourea, and en dissolved in EtOH (microwave vial, 160 °C, 20 min).</p> </abstract>