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. 2024 Jan 4;10(1):e24107. doi: 10.1016/j.heliyon.2024.e24107

Fig. 4.

Fig. 4

(a) The influence of variation in ZnMgO thickness with and without the HTL layer, (b) The acceptor density influence of ZnMgO with and without the HTL layer,(c) The influence of varying GO HTL layer thickness, (d) The acceptor density influence in the GO-HTL layer.