Hydrothermally grown α-MnO2 nanorods as highly efficient low cost counter-electrode material for dye-sensitized solar cells and electrochemical sensing applications

•Hydrothermally grown α-MnO2 nanorods.•α-MnO2 nanorods exhibit high surface area.•α-MnO2 nanorods employed as counter electrode for DSSC and as modified GCE for electrochemical sensor for p-NT, DNT and TNP.•Hydrothermally grown α-MnO2 nanorods. α-MnO2 nanorods exhibit high surface area. α-MnO2 nanor...

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