On-Demand Session: Introduction to Photothermal AFM-IR for Infrared Spectroscopists

_{PRESENTATION HIGHLIGHTS:}

• [00:00:00] AFM-IR Can Measure Spectra on Materials <1 nm Thick with <2 nm Lateral Resolution
• [00:01:30] Why nanoscale IR?
• [00:03:20] Mid-infrared Spectroscopy Identifies Molecular Bonds
• [00:04:35] Basic Intuition for AFM Opertation
• [00:06:40] How Photothermal AFM-IR Works
• [00:08:00] In AFM-IR the Probe is a Nanoscale IR Detector
• [00:09:45] What Makes AFM-IR Correlate so well With FTIR Data
• [00:12:18] Result in Direct Excitation Scheme Maintain Peak Positions and Ratios Between AFM-IR and FTIR
• [00:13:57] Photothermal AFM-IR Closely Follows Transmission Mode FTIR Spectra
• [00:17:45] Variety of Modes Available for AFM-IR
• [00:22:32] Photothermal AFM-IR: Applications Overview

_{PRESENTATION HIGHLIGHTS:}

• [00:00:00] Outline
• [00:01:28] Speak as a Spectroscopist
• [00:03:13] First Development Work in AFM-IR
• [00:05:56] Crystalline/Amorphous Phases of Nanofiber
• [00:07:26] Polymers Applications
• [00:11:50] Life Science Applications
• [00:16:13] Semiconductor Applications
• [00:21:55] Environmental Applications
• [00:23:25] Organic Compounds Applications
• [00:25:40] Experimental Factors Affecting AFM-IR Spectrum
• [00:27:38] Laser Chip Transitions
• [00:28:13] Sample/Probe

_{PRESENTATION HIGHLIGHTS:}

• [00:00:00] What is the relation between the photothermal AFM-IR and other techniques?
• [00:03:27] Is it possible to combine this technique with some other options, for example, during heating or manipulations of the surface?
• [00:05:07] Is there anything that we need to consider for the resonance or frequencies we use?