12 eV to 0.05 eV. Because the possible change (EB) is so very low, the boron has the capacity to thermally ionize at space temperatures. This permits for free energy carriers while in the conduction and valence bands thus enabling bigger conversion of photons to electrons. Brief and simple, I https://flenzy.store/wireless-6000mah-high-pressure-car-garden-washer-with-foam-generator/