Open Access

ARTICLE

Hydrothermal Synthesis of Lead Indium Selenide

A. B. Rzayeva^1,2,*, F. E. Abbdullayeva¹, S. C. Imanova¹, S. H. Aliyeva^1,2, S. N. Yasinova^1,2

1 Nakhchivan State University, Ministry of Science and Education, Republic of Azerbaijan
2 Institute of Natural Resources, The Ministry of Science and Education of Azerbaijan, Nakhchivan, AZ7000, Republic of Azerbaijan

* Corresponding Author: A. B. Rzayeva. Email:

Chalcogenide Letters 2025, 22(11), 965-970. https://doi.org/10.15251/CL.2025.2211.965

Received 09 September 2025; Accepted 17 November 2025;

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.

---

Keywords

---