Theoretically, introducing an IB permits two photons with energy less than the bandgap to excite an electron within the valence band into the conduction band. This enhances the induced photocurrent and thereby effectiveness.[121] Which is what I think. I have never noticed any paperwork, And that i am anticipating a https://conkeysbakeryreviews93603.luwebs.com/37334915/a-simple-key-for-off-grid-solar-cells-unveiled