[填空题]
Green and blue LEDs became available many years after red LEDs wkka6o:hwp4 wy o.o0)* tfh cs9g2fmz 4xq 6,2wblsv)d ere first developed. Approximate,bs2m2 6xzgdf4 )q lvwly what energy gaps would you expect to find in green (525 nm) and in blue (465 nm) LEDs?
the green $E_g$ = eV
the blue $E_g$ = eV