Abstract
A dye sensitized betavoltaic cell has been developed for the first time, which utilizes radioisotopic carbon, composed of nano-sized quantum dots, and ruthenium-based dye sensitized TiO2 as electrodes. The dye-sensitized betavoltaic cell (DSBC) is an energy generating device with a MLCT-based ruthenium ligand complex dye and a C-14 as a beta radiation source and a counter electrode. This combination allows for relatively efficient electron harvesting for improved performance in a betavoltaic device. The DSBC system using the Ru-N719 dye had an energy efficiency of 0.48%. If some problems are improved, DSBC can be used as a semi-permanent battery.We opened the new horizon that is explored first time in the field of betavoltaic. We believe it has potential to show higher efficiency through modifications such as optimization of TiO2 thickness, dye loading and energy control of beta radiation. The use of dye-sensitized semiconductor anodes in modified betavoltaic cells will create new opportunities in the field of nuclear batteries. The figure below shows an illustrated mechanism for dye-sensitized betavoltaic cell. Figure 1
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