The adjustable bandgap, single crystal structure, and strong chemical inertness of GaN materials make them excellent candidates for water splitting applications.The fabrication of GaN nanostructures can enhance their water Handheld Mixers splitting performance by increasing their surface area, improving photon absorption, and accelerating photocatalytic reactions.Developing cost-effective methods to fabricate GaN nanostructures is crucial to promote the development of GaN-based materials in water splitting applications.In this review, we introduce the main cost-effective techniques for the fabrication 1/4 Zip Sweat of GaN nanostructures and highlight future development directions.