PrefaceChapter 1: Photocatalysts and Catalytic ConversionEffect of Nickel and Lanthanum Co-Doping on Photocatalytic Activity of Strontium TitanateThe Effect of Dark and Light Pre-Treatment on the Photodegradation Efficiencies of Methylene Blue Using TiO2 Nanoparticle under Mercury Light IrradiationGreen Synthesis of TiO2 and its Modification with Activated Carbon from Nutmeg Shell for Photodegradation of Chlorpyrifos PesticideSynthesis of Activated Carbon/ZnO Nanocomposite Using Melinjo (Gnetum gnemon) Seed Shells for Enhanced Photocatalytic Degradation of Chlorpyrifos PesticideEffect of Natural Diatomaceous Earth Catalyst on the Catalytic Conversion of Polypropylene into FuelChapter 2: Materials for Dye-Sensitized Solar CellsSynthesis of rGO/ZnO Nanorods Composite and its Application as a Photoanode in DSSC Solar CellsCharacterization of Natural and Synthetic Dyes for Large-Scale Dye-Sensitized Solar CellsSilica Extraction from Pumice Stone as Anti-Reflective Coatings for Dye-Sensitized Solar Cell (DSSC)Chapter 3: Materials and Technologies of Fire Protection and Fire Resistance ProvidingResearch of Fire Extinguishing Efficiency of Binary Mixtures of Pentafluoroethane (HFC-125) and Heptafluoropropane (HFC-227ea) with NitrogenStudy of Gelation Processes in Flame Retardant Compositions of the SiO2 Sol System – A Phosphate-Containing AdditivePeroxide Conditions Modeling for the Combustion OccurrenceThe Possibilities of Using a Fire Extinguishing Substance Based on Water-Soluble Polymer for Extinguishing Solid Combustible MaterialsExperimental Study of Combustion Characteristics of Typical Material in a Non-Hermetic RoomDetermination of the Effect of Magnesium Hydrophosphate on the Physical-Rheological and Chemical-Colloidal Properties of Aluminosilicate-Based Flame Retardant Paints