The folder contains data for two recently synthesised Spirobisindane-based hole transporting materials for conventional and indoor halide perovskite solar cell. corresponding author: Prof Graeme Cooke (graeme.cooke@glasgow.ac.uk); University of Glasgow The data are as follows; Cyclic voltammetry (CV) Density functional theory (DFT) Differential scanning calorimetry (DSC) UV-Vis and Fluorescence spectroscopy Infra-red spectroscopy (IR) Nuclear magnetic resonance (NMR) Sweep wave voltammetry (SWV) and Thermogravimetric analysis (TGA) NMR could be visualised with the aid of MestReNova or Topspin softwares