DYE-SENSITIZED SOLAR CELLS BASED ON ELECTROLYTE SOLUTION CONTAINING A SMALL MOLECULAR GELLING AGENT

Abstract

We studied the performance and stability of DSSCs with the electrolyte solution which gelated with a low-molecular gelling agent. Maximum power, short circuit current and open circuit voltage decreased as the gelling agent concentration in electrolyte was increased. However, there was no drastic difference between the performance of DSSCs with gel and sol state electrolytes. In addition, the performance of a DSSC with gel solution was kept for a long time at low temperature. It is supposed that leakage and volatilization can be prevented by adding small amount of low molecular gelling agent without decreasing the performance of the DSSC.