NOVELTY - Manufacturing solar cell involves applying ozonated deionized water to as-cut surface of crystalline silicon substrate to remove surface contaminants, thereby converting as-cut surface to pre-cleaned surface, where as-cut surface is formed by sawing process to create crystalline silicon substrate; applying first etching solution to pre-cleaned surface to remove physical damage caused during sawing process, thereby converting pre-cleaned surface into prepared surface; applying second etching solution to texturize prepared surface; and forming solar cell on texturized surface of substrate.    USE - As method of manufacturing solar cell (claimed) such as high efficiency crystalline silicon solar cells used to convert solar light into electricity.    ADVANTAGE - The method effectively removes organic, inorganic, films, ionic and particulate contaminants. The method effectively improves the texturization of the crystalline silicon substrate to reduce reflectivity. The method tunes the texturing process parameters to control size and uniformity of the textured structures. In the method, pre-cleaning step and a saw damage removal step is performed prior to texturization. As a result of these pre-texturization steps, the subsequently formed textured surface exhibits a more uniform textural morphology. The pre-cleaning of crystalline silicon substrates (i.e. prior to texturization) improves the homogeneity of the morphology of the textural structures formed during the subsequently performed texturing process. This is contrary to the accepted understanding in the art where it was assumed that the saw damage removal step was sufficient to prepare the surfaces of the crystalline silicon substrates for processing. The pre-cleaning step results in the textured surface being formed during the texturization step to have an improved homogeneity for the textural morphology. As a result, overall surface reflectance of the textured surfaces of the crystalline silicon substrates is reduced.    DETAILED DESCRIPTION - A method of manufacturing a solar cell involves: applying ozonated deionized water to an as-cut surface of a crystalline silicon substrate to remove surface contaminants, thereby converting the as-cut surface to a pre-cleaned surface, where the as-cut surface is formed by a sawing process to create the crystalline silicon substrate; applying a first etching solution to the pre-cleaned surface to remove physical damage caused during the sawing process, thereby converting the pre-cleaned surface into a prepared surface; applying a second etching solution to the prepared surface to texturize the prepared surface, thereby converting the prepared surface into a texturized surface; and forming at least one solar cell on the texturized surface of the crystalline silicon substrate. The second etching solution is alkaline solution. The alkaline solution is an aqueous solution of potassium hydroxide and isopropyl alcohol. The textured surface comprises pyramid structures. The applying steps are performed sequentially and without a dedicated aqueous HF solution being applied to the crystalline silicon substrate. The method involves applying a first aqueous solution of potassium hydroxide or sodium hydroxide to an as-cut surface of a crystalline silicon substrate to remove surface contaminants, thereby converting the as-cut surface to a pre-cleaned surface; applying second aqueous solution of potassium hydroxide or sodium hydroxide to the pre-cleaned surface to remove physical damage caused during the sawing process, thereby converting the pre-cleaned surface into a prepared surface, where the first aqueous solution of potassium hydroxide or sodium hydroxide has a first concentration of potassium hydroxide or sodium hydroxide and the second aqueous solution of potassium hydroxide or sodium hydroxide has a second concentration of potassium hydroxide or sodium hydroxide that is greater than the first concentration; applying alkaline solution to the prepared surface to texturize the prepared surface, thereby converting the prepared surface into a texturized surface; and forming solar cell.