Questions tagged [optical-properties]
Questions related to color as well as the reflecting and refracting properties of chemicals.
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What are chiral environments?
I keep seeing the term cropping up, but cannot seem to find a definition for it. My understanding is that it is an environment in which, when the isomers interact with the environment, the two ...
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Effect of optical activity
I know that optical activity means polarisation of light but what is so special in that that it changes the properties of the substances significantly
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Changes in defects in a material due to heat treatment
Currently i am doing some research on optical properties of a oxide material and for that purpose i have done some photoluminescence study on it. Because this is an ongoing research i cant divulge ...
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Can we predict Dextrorotatory and levorotatory character of an organic molecule?
Can we predict in which direction a given molecule will bend plane polarized light?
If I have a molecule with R form in R-S nomenclature does it mean that the molecule will be dextrorotatory or is ...
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Why do shape and size have the greatest effect on the optical properties of nanoparticles?
The LSPR properties of nanoparticles depend on a number of factors, including shape, size, material, crystal structure, dielectric environment, etc. However, it has been consistently shown that shape ...
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If I have a chiral substrate, should I always assume that both enantiomers are present?
Considering the Sn1 reaction of (S)-2,3-dimethyl-3-pentanol, knowing that this molecule has a chiral carbon, should I always assume that both enantiomers are present, and therefore the products of a ...
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Is there a liquid crystal or similar material that gets cloudy when an electric field is applied, but is otherwise clear?
Is there a way to make a liquid, such as a liquid crystal material, transition from cloudy or clear and vice-versa using only electric current?
By cloudy, I mean, similar to the effect that ...
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What salts are/are not birefringent?
Is there a quick way to determine if a salt (or ionic compound in general) crystal should be birefringent from its formula without having to know/look up the crystal structure? When I'm looking for ...
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Rock that transfers image
This is a question that has been bugging me for over 15 years!
In high school while studying elements our teacher showed us a clear white rock or element.
It was simply flat on both sides but when ...
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