Abstract
Nano-coating with atomic layer deposition (ALD) has emerged as a pivotal technology for enhancing the performance of a wide range of applications. This review explores recent advancements in ALD nano-coating, with a focus on its high conformality and precision. The review covers key coating techniques and comprehensive methods for analytical coating assessment. The applications discussed include multifunctional coatings, biomedical devices, quantum dot-based technologies, photovoltaic solar cells, energy storage systems, membrane/barrier films, metal-organic frameworks, graphene integration, and sensor technologies. Additionally, the review highlights emerging trends, current applications, and identifies various research gaps, offering insights into potential future directions for ALD nano-coating. The findings underscore ALD's significant impact in advancing both scientific and industrial applications, while emphasizing the need for continued innovation to address existing challenges.