Green synthesis of MnO2 using Calendula officinalis and Tilia cordata extracts for application in supercapacitors

B Mladenova, K Pashova, I Hinkov, M Dimitrova… - Monatshefte für Chemie …, 2024 - Springer
Green synthesis of MnO2 was carried out using natural extracts of Tilia cordata (TC) and
Calendula officinalis (CO). Utilizing the transmission electron microscopy, powder X-ray …