Future trends in UV-catalysis are likely to focus on: - Nanostructured Catalysts: Development of nanostructured materials to enhance the efficiency and selectivity of photocatalytic reactions. - Hybrid Systems: Combining UV-activated catalysts with other types of catalysts or energy sources for synergistic effects. - Sustainable Energy: Utilizing sunlight, which contains UV light, to drive photocatalytic processes, thus harnessing renewable energy sources.