Photothermal absorption
Absorbed radiation thermalises within picoseconds into lattice heat. The simplest and highest-yield conversion of sunlight; it turns a radiative flux into a temperature difference.
Atlas record: 7 claims reference this phenomenon — 7 established.
Explorerelations · matrix context · routes · sources · cite
Relations
- an absorber with high solar absorptance; selective surfaces suppress re-emission
Matrix context
D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.
Enumerated routes through this · 70 (showing 24)
- Solar thermal collector (hot water)3/3 est · demonstrated
- Concentrating solar-thermal plant7/7 est · demonstrated
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermal emission → Light4/4 est · same energy form
- Temperature gradient → Thermal emission → Photons → Photothermal absorption → Heat flow → Useful heat5/5 est · same energy form
- Incident radiation flux → Photothermal absorption → Temperature gradient → Alkali-metal thermal-to-electric conversion → Ionic current → Electrical work3/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Ionic thermoelectric effect → Ionic current → Electrical work5/5 est · candidate
- Incident radiation flux → Photothermal absorption → Temperature gradient → Marangoni effect → Mechanical motion → Mechanical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermal shape-memory effect → Mechanical motion → Mechanical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermochemical redox cycle → Chemical fuel (H₂, CO, syngas) → Chemical fuel5/5 est · candidate
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermopolarization effect → Separated surface charge → Electrical work3/5 est · weakly supported
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermopolarization effect → Separated surface charge → Electrical work3/5 est · weakly supported
- Incident radiation flux → Photothermal absorption → Temperature gradient → Seebeck effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Heat conduction → Heat flow → Useful heat5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermionic emission → Charge carriers → Electrical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermogalvanic effect → Ionic current → Electrical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermally regenerative electrochemical cycle → Ionic current → Electrical work3/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Nernst effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Anomalous Nernst effect → Charge carriers → Electrical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Working-fluid expansion (heat-engine cycle) → Mechanical motion → Mechanical work5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Ocean thermal energy conversion → Mechanical motion → Mechanical work3/5 est · candidate
- Incident radiation flux → Photothermal absorption → Temperature gradient → Advective heat transport → Heat flow → Useful heat5/5 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermo-osmosis → Streaming potential → Ionic current → Electrical work5/6 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Thermomagnetic convection → Electromagnetic induction → Charge carriers → Electrical work5/6 est · extends a recorded pathway
- Incident radiation flux → Photothermal absorption → Temperature gradient → Soret effect → Concentration gradient → Chemiosmosis → Chemical fuel6/6 est · extends a recorded pathway
Cited sources · 2
- [1]A. Bejan. Advanced Engineering Thermodynamics (4th ed.) (2016)
- [2]P. T. Landsberg, G. Tonge. Thermodynamic energy conversion efficiencies (1980)
Cite this entity
Physical Transformation Atlas (2026). entity phenomenon:photothermal-effect: Photothermal absorption. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/phenomenon/photothermal-effect
Ids and matrix addresses are stable across revisions; the revision hash identifies the exact canonical files the record was compiled from and is meta.data_hash in every /api export. Reuse terms: see the license field in any export.