Humans remain exposed to ongoing security risks. Energy security is closely associated with human life and productive activity and is strongly related to the increasing number of natural extreme events over the past few decades. Therefore, finding the exact relationship between two factors will...

Alkali metal Na is beneficial to the performance of CuInGaSSe thin film solar cells. This work studies the addition and optimization of a sputtering SiO 2 barrier layer on the SLG to optimize the Na content that diffuses into the absorber layer from the SLG. The resulting Se content and...