Local environment influence on mid-infrared photothermal contrast

Key Points

• This research examines how local environmental factors affect mid-infrared photothermal contrast.
• Utilized mid-infrared photothermal microscopy and spectroscopy techniques.
• Analyzed contributions to signal contrast from photothermal-induced changes.
• Demonstrated that local environment significantly influences photothermal contrast.
• Confirmed superresolution capabilities of mid-infrared techniques.