To address the future energy challenges, while keeping the environment-issue in mind, we require smart and renewable technologies for both energy production and energy storage devices, such as solar-cells, thermoelectric devices, rechargeable battery, and photocatalyst for solar-fuel production Still, all these technologies should be obtained using innovative and efficient materials that must be sustainable in terms of abundance, functionality, and processing technology. Here, we will discuss green synthesis routes of various innovative materials, and their application in solar-cells, thermoelectricity. . and battery. Extension of transborder research framework within Asia and Africa will be discussed for the solution of sustainable energy-future.