1 A sustainable energy transition to build a safer future: an introduction
2 Thin-film-based functional materials for solar cell applications
3 An overview of noble-metal-free nanostructured electrocatalysts for overall water splitting
4 The state-of-the-art of solid sorbents for carbon capture applications: opportunities and future perspectives
5 MOF-based electrocatalysts for oxygen evolution reactions
6 Hierarchical nanostructured functional materials for flexible supercapacitors
7 Sulfide-based 2D nanomaterials for photocatalytic activity
8 Recent progress in transition metal nitrides for electrochemical and photocatalytic applications
9 Recent developments in metal nanoparticle-based electrochemical biosensors for medicinal applications
10 Two-dimensional (2D)-nanolayer based functional materials in the advanced oxidation process
11 Nanostructured graphitic carbon nitride for remediation of environmental contaminants
12 Integrating algae in personal care product and cosmetic industrial wastewater treatment-an approach to enhance the circular economy with value-added products