journal article·2025-12-01Open access

Hydrothermal Synthesis of Lead Indium Selenide

Nakhchivan State University, Ministry of Science and Education, Republic of Azerbaijan, A. B. Rzayeva, F. E. Abbdullayeva, Nakhchivan State University, Ministry of Science and Education, Republic of Azerbaijan, S. C. Imanova, Nakhchivan State University, Ministry of Science and Education, Republic of Azerbaijan, S. H. Aliyeva, Nakhchivan State University, Ministry of Science and Education, Republic of Azerbaijan, S. N. Yasinova, Nakhchivan State University, Ministry of Science and Education, Republic of Azerbaijan

Chalcogenide Letters· Volume 22· Issue 11

Abstract

Lead indium selenide (PbIn2Se₄) is a promising chalcogenide semiconductor for optoelectronic and energy applications. We report a hydrothermal synthesis route using ethylene glycol under moderate conditions (433– 453 K, 7–12 h), yielding up to 85–87%. The product crystallized into a cotton-like morphology composed of nanoand microparticles. Structural and compositional integrity were confirmed by chemical analysis, thermogravimetric analysis, and transmission electron microscopy. These results demonstrate that hydrothermal synthesis provides an efficient and controllable pathway to high-purity PbIn2Se₄, opening opportunities for its use in advanced functional devices.
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Research context

OpenAlex topics: Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties · Advanced Thermoelectric Materials and Devices

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