By switching catalyst from silver to copper, Natcore finds additional solar cell savings
Wednesday, September 10, 2014 - 04:40
in Physics & Chemistry
In making a solar cell, scientists etch nanoscale spikes into a silicon wafer in order to maximize its surface area and consequently to maximize the amount of sunlight to reach it. Metal particles have been used as a catalyst in this process because etching is much accelerated near metal particles.