1. Photocatalysis: Utilizing LSPR to enhance light absorption and generate hot electrons that drive chemical reactions. 2. Electrocatalysis: Improving the efficiency of electrochemical reactions by enhancing the local electric fields. 3. [Chemical Sensing](): Using LSPR-active nanoparticles to detect changes in the environment, which can be used to monitor catalytic processes in real-time. 4. Environmental Remediation: Decomposing pollutants and toxic chemicals using LSPR-enhanced catalytic processes.