Research demonstrates enhanced hydrogen generation in CuSe films, suggesting improved efficiency with rising temperatures.
In recent years, significant research has been done on semiconductor heterostructures to produce hydrogen by water splitting. The absorption of visible light and photoelectrochemical properties of CuO thin film areenhanced by the selenization. The selenization of CuO thin film is done by chemical vapor deposition (CVD) at various temperatures. The structural properties of the prepared samples were characterized by XRD,and the morphological properties of the prepared film werecharacterizedby scanning electron microscopy. Optical properties reveal that the bandgap was decreased by increasing the selenization temperature. The solar light to hydrogen conversion efficiency of the CuSe-500oC, CuSe-600oC,and CuSe-650oC films were estimated by using three-electrode cells. It was noticed that CuSe-650oC showed much better STH% compared to pristine CuO thin film.
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Faraz et al. (2025) studied this question.
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