TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Method: In making metal oxide based component, the metal oxide solution comprises a first set of TiO2 particles and the flocculating is promoted by mixing a flocculating agent with the metal oxide solution. Flocculating agent comprises a second set of TiO2 particles that are smaller than the first set of TiO2 particles. Flocculating agent further comprises a selection from C14H22O(C2H4O)n, trimesic acid, carboxylic acid and its combinations. The first set of TiO2 particles comprises TiO2 nanoparticles having a mean crystal diameter of 5-10 nm and aggregate dimension of 95-105 nm and the second set of TiO2 particles comprises fused metal oxide nanoparticles having a mean crystal diameter of 10-20 nm and agglomerate dimension of 425-475 nm clusters. The method further comprises adding TiO2 particles having mean crystal diameter of 20-50 nm to the metal oxide solution; or adding TiO2 particles having mean crystal diameter of 450-1000 nm to the metal oxide solution. Processing further comprises adding a dispersant selected from the list consisting of: acetyl acetone and carboxylic acids such as acetic acid and benzoic acid and its combinations. Processing comprises depositing the flocculated metal oxide solution on a substrate; and heating the flocculated metal oxide solution at a temperature of 70-100 degrees C to form a film. Processing further comprises coating the metal oxide film with a light sensitive dye. Metal oxide is selected from single, binary, ternary, and quaternary metal oxide compounds, aluminum oxides, barium titanate, calcium titanate, hafnium oxides, magnesium oxides, manganese oxides, tin oxides, titanium oxides, zinc oxides, and zirconium oxides and its combinations. Making component for use in solar cell further comprises adding TiO2 particles having mean crystal diameter of 20-50 nm to the solvent; or adding TiO2 particles having mean crystal diameter of 450-1000 ran to the solvent. Forming further comprises adding a flocculant to the solvent, where the flocculant comprises material selected from C14H22O(C2H4O)n, trimesic acid, carboxylic acid and its combinations. Forming further comprises adding a dispersant to the solvent, where the dispersant is selected from acetyl acetone and carboxylic acids such as acetic acid and benzoic acid and its combinations. Forming further comprises adding TiO2 to the solvent. Aqueous solution comprises 10 wt% of the TiO2 after the adding steps. Removing of the solvent comprises: depositing the aqueous solution on a substrate; and heating the aqueous solution at a temperature of 70-100 degrees C. Aqueous solution comprises 5-15 wt% of the metal oxide nanoparticles having a mean crystal diameter of 5-10 nm and aggregate dimension of 95-105 ran, after the adding steps; or aqueous solution comprises 20-50 wt% of the fused metal oxide nanoparticles having a mean crystal diameter of 10-20 nm and agglomerate dimension of 425-475 nm clusters, after the adding steps. Preferred Component: The solar cell component further comprises a light sensitive dye. The metal oxide comprises TiO2. Metal oxide is selected from single, binary, ternary, and quaternary metal oxide compounds, aluminum oxides, barium titanate, calcium titanate, hafnium oxides, magnesium oxides, manganese oxides, tin oxides, titanium oxides, zinc oxides, and zirconium oxides and its combinations. The solar cell component also comprises TiO2 particles having mean crystal diameter of 20-50 nm; TiO2 particles having mean crystal diameter of 450-1000 nm; a light sensitive dye; a flocculant comprising material selected from C14H22O(C2H4O)n, trimesic acid, carboxylic acid and its combinations; and a dispersant selected from acetyl acetone and carboxylic acids such as acetic acid and benzoic acid and its combinations. Preferred Composition: In the composition, the metal oxide solution comprises a first set of TiO2 particles. Flocculant comprises a second set of TiO2 particles that are smaller than the first set of TiO2 particles. The composition further comprises TiO2 particles having mean crystal diameter of 20-50 nm; and TiO2 particles having mean crystal diameter of 450-1000 nm. It also comprises dispersant selected from acetyl acetone and carboxylic acids such as acetic acid and benzoic acid and its combinations. Preferred Cell: In the solar cell, the semiconductor comprises a light sensitive dye. EXAMPLE - No suitable example given.