Yablonovitch limit in light trapping
E379712
The Yablonovitch limit in light trapping is a fundamental theoretical bound that defines the maximum enhancement of optical path length—and thus light absorption—achievable in a dielectric material using scattering and texturing.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yablonovitch limit in light trapping canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3694627 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yablonovitch limit in light trapping Context triple: [Eli Yablonovitch, knownFor, Yablonovitch limit in light trapping]
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A.
Shockley–Queisser limit
The Shockley–Queisser limit is a theoretical maximum efficiency for single-junction solar cells, defining the upper bound on how much sunlight can be converted into electricity under standard conditions.
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B.
Photonics Research
Photonics Research is a peer-reviewed scientific journal focusing on cutting-edge research in photonics, optics, and related technologies.
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C.
Light-Space Modulator
Light-Space Modulator is an experimental kinetic sculpture by László Moholy-Nagy that explores movement, light, and shadow through rotating metal and glass forms.
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D.
Fresnel zone plates
Fresnel zone plates are diffractive optical elements composed of concentric rings that focus light through interference rather than refraction, serving as lens alternatives in applications like X-ray and microscopy.
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E.
Lambertian reflectance law in optics
The Lambertian reflectance law in optics describes an ideal diffuse surface that appears equally bright from all viewing angles because its apparent brightness is proportional to the cosine of the angle between the incident light and the surface normal.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yablonovitch limit in light trapping Target entity description: The Yablonovitch limit in light trapping is a fundamental theoretical bound that defines the maximum enhancement of optical path length—and thus light absorption—achievable in a dielectric material using scattering and texturing.
-
A.
Shockley–Queisser limit
The Shockley–Queisser limit is a theoretical maximum efficiency for single-junction solar cells, defining the upper bound on how much sunlight can be converted into electricity under standard conditions.
-
B.
Photonics Research
Photonics Research is a peer-reviewed scientific journal focusing on cutting-edge research in photonics, optics, and related technologies.
-
C.
Light-Space Modulator
Light-Space Modulator is an experimental kinetic sculpture by László Moholy-Nagy that explores movement, light, and shadow through rotating metal and glass forms.
-
D.
Fresnel zone plates
Fresnel zone plates are diffractive optical elements composed of concentric rings that focus light through interference rather than refraction, serving as lens alternatives in applications like X-ray and microscopy.
-
E.
Lambertian reflectance law in optics
The Lambertian reflectance law in optics describes an ideal diffuse surface that appears equally bright from all viewing angles because its apparent brightness is proportional to the cosine of the angle between the incident light and the surface normal.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
optical principle
ⓘ
physical law ⓘ theoretical limit ⓘ |
| appliesTo |
dielectric materials
ⓘ
planar solar cells with surface texturing ⓘ thin-film solar cells ⓘ weakly absorbing media ⓘ |
| assumes |
geometrical optics regime
ⓘ
isotropic internal scattering ⓘ no parasitic absorption in non-active layers ⓘ randomizing surface texture ⓘ |
| basedOn |
Lambertian scattering assumption
ⓘ
statistical ray optics ⓘ |
| category | light trapping theory ⓘ |
| constrains |
design of light-trapping textures
ⓘ
maximum achievable short-circuit current in solar cells ⓘ |
| contrastsWith | single-pass absorption without texturing ⓘ |
| defines |
maximum light trapping enhancement in a dielectric
ⓘ
maximum optical path length enhancement by scattering and texturing ⓘ |
| field |
optics
ⓘ
photonics ⓘ semiconductor physics ⓘ solar cell physics ⓘ |
| hasExtension |
nanophotonic light trapping beyond ray optics
ⓘ
wave-optics-based light trapping limits ⓘ |
| historicalPeriod |
early 1980s
ⓘ
late 1970s ⓘ |
| implies |
absorption cannot be enhanced arbitrarily by texturing alone
ⓘ
there is a fundamental upper bound on light trapping in isotropic media ⓘ |
| influenced |
design rules for high-index absorbers
ⓘ
development of textured solar cell surfaces ⓘ research on nanophotonic light trapping ⓘ |
| maximumEnhancementFactor | 4n^2 ⓘ |
| namedAfter | Eli Yablonovitch ⓘ |
| originatesFrom |
detailed balance considerations
ⓘ
thermodynamic arguments ⓘ |
| relatedConcept |
Lambertian surface
ⓘ
linked to:
Lambertian reflectance law in optics
Shockley–Queisser limit ⓘ escape probability of photons ⓘ photon recycling ⓘ |
| relatesTo |
escape cone of light in a dielectric
ⓘ
light absorption enhancement ⓘ optical path length enhancement ⓘ refractive index of the medium ⓘ |
| states | maximum path length enhancement factor is 4n^2 ⓘ |
| usedIn |
design of high-efficiency solar cells
ⓘ
evaluation of light trapping schemes ⓘ optimization of thin absorber layers ⓘ |
| where | n is the refractive index of the absorbing medium ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Yablonovitch limit in light trapping Description of subject: The Yablonovitch limit in light trapping is a fundamental theoretical bound that defines the maximum enhancement of optical path length—and thus light absorption—achievable in a dielectric material using scattering and texturing.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.