Fig. 5From: Photoluminescence and Boosting Electron–Phonon Coupling in CdS Nanowires with Variable Sn(IV) Dopant Concentrationa Far-field emission image of single Sn(IV) heavy slightly doped CdS nanowire. Inset is optical morphology image. Scale bars are 20 μm. b The corresponding far-field PL spectra under increasing excitation powerBack to article page