This review article focuses on the recent advancements in optoelectronic applications of two-dimensional (2D) tungsten disulfide (WS₂) nanomaterials. WS₂ is highlighted as a promising material due to its excellent electrical, magnetic, optical, and mechanical properties, making it a key candidate for optoelectronic devices. The article covers a wide range of advanced devices, including light-emitting diodes (LEDs), sensors, field-effect transistors (FETs), photodetectors, field emission devices, and non-volatile memory. It discusses the synthesis methods of WS₂, such as bottom-up and top-down approaches, and explores various techniques to enhance the functionality of WS₂-based devices, including defect introduction and doping processes. The review also provides insights into the challenges and future opportunities in the development of 2D WS₂ for optoelectronic applications, emphasizing the importance of transition-metal oxides in this field. The article concludes with a comprehensive table summarizing the synthesis methods and applications of 2D WS₂ with different morphologies.This review article focuses on the recent advancements in optoelectronic applications of two-dimensional (2D) tungsten disulfide (WS₂) nanomaterials. WS₂ is highlighted as a promising material due to its excellent electrical, magnetic, optical, and mechanical properties, making it a key candidate for optoelectronic devices. The article covers a wide range of advanced devices, including light-emitting diodes (LEDs), sensors, field-effect transistors (FETs), photodetectors, field emission devices, and non-volatile memory. It discusses the synthesis methods of WS₂, such as bottom-up and top-down approaches, and explores various techniques to enhance the functionality of WS₂-based devices, including defect introduction and doping processes. The review also provides insights into the challenges and future opportunities in the development of 2D WS₂ for optoelectronic applications, emphasizing the importance of transition-metal oxides in this field. The article concludes with a comprehensive table summarizing the synthesis methods and applications of 2D WS₂ with different morphologies.