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Wannier–Koopmans method calculations for transition metal oxide band gaps | npj Computational Materials
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![If an LED has to emit 662 nm wavelength of light them what should be the band gap energy of its semiconductor? h = 6.62 × 10^-34 Js. If an LED has to emit 662 nm wavelength of light them what should be the band gap energy of its semiconductor? h = 6.62 × 10^-34 Js.](https://d1hj4to4g9ba46.cloudfront.net/questions/1967209_1724553_ans_811a10999e3d4bdab13c89bb5d5d8d07.jpg)
If an LED has to emit 662 nm wavelength of light them what should be the band gap energy of its semiconductor? h = 6.62 × 10^-34 Js.
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