Abstract

AbstractCrystalline Cu2P3I2 nano‐ and microwires with high purity were synthesized through a chemical vapor transport method in evacuated silica ampoules using copper(I) iodide and red phosphorus as precursors for potential applications as photodetectors. Single‐wire field‐effect transistors (FET) were built to study their electronic and optoelectronic properties. The wires exhibit a p‐type semiconducting behavior with an electron mobility of 31.6 cm2 V−1 s−1 and ION/IOFF ratio of 103. The photodetectors are highly reproducible and stable with a short response time (40–70 ms).

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