High flexibility and electrocatalytic activity MoS2/TiC/carbon nanofibrous film for flexible dye-sensitized solar cell based photovoltaic textile

Power source is a core component of wearable electronic device. To obtain a suitable power source, the highly flexible MoS₂/TiC/C nanofibrous (NFs) film was prepared and employed as the Pt-free and transparent conductive oxide (TCO)-free counter electrode (CE) of flexible dye-sensitized solar cell (FDSSC). Then the FDSSC was combined with a fabric to form a photovoltaic textile. Notably, there was no substrate of CE in the device due to the desired mechanical property of the MoS₂/TiC/C NFs film. The obtained FDSSC based photovoltaic textile possessed power conversion efficiency of 5.08%, which was larger than that of Pt based device. The main reasons may be the large BET surface area and promising electrocatalytic activity of the MoS₂/TiC/C CE. Besides, the combination of FDSSC with fabric was extremely easy and simple. Hence, the photovoltaic textile exhibited huge potential applications in smart textile for wearable electronic devices.