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PL spectra of the nQWs and mQWs at 10 K.
Measured TRPL spectra for (a) the nQWs, and (b) the mQWs at 10 K.
CL spectra as a function of acceleration voltage for (a) the nQWs and (b) the mQWs at 300 K.
Calculated potential profiles for (a) the nQWs, and (b) the mQWs. The red and blue lines represent potential profiles for (with screening effect) and (without screening effect), respectively. The black and red dotted arrows represent emissions without screening and with screening, respectively.
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