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Related Concept Videos

What is Organic Chemistry?02:17

What is Organic Chemistry?

Organic chemistry is the study of compounds of carbon called organic compounds. Organic compounds either originate from living organisms or are synthesized by chemists. A defining trait of these compounds is the presence of carbon as the principal element, which is bonded to other carbon atoms and other elements such as hydrogen, oxygen, nitrogen, and sulfur. The existence of a wide array of organic molecules is a consequence of carbon atoms’ ability to form up to four strong bonds to other...
Stereoisomerism02:52

Stereoisomerism

Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula.
Transition metal complexes often exist as geometric isomers, in which the same atoms are connected through the same types of bonds but with differences in their orientation in space. Coordination complexes with two different ligands in the cis and trans positions from a ligand of interest form isomers. For example, the octahedral [Co(NH3)4Cl2]+ ion has two isomers (Figure 1) In the cis...
Properties of Enantiomers and Optical Activity02:24

Properties of Enantiomers and Optical Activity

It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
Polymer Classification: Architecture01:14

Polymer Classification: Architecture

Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...

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Related Experiment Video

Updated: Jun 19, 2026

Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
08:04

Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids

Published on: May 27, 2020

Organic-inorganic optical materials.

S Motakef, J M Boulton, D R Uhlmann

    Optics Letters
    |October 22, 2009
    PubMed
    Summary

    New polycerams, a ceramic-polymer hybrid, show promise for integrated optics. These materials offer tunable optical properties and low optical attenuation in thin films and waveguides.

    Area of Science:

    • Materials Science
    • Optics and Photonics

    Background:

    • Integrated optics requires advanced materials with tunable optical properties.
    • Existing materials often face limitations in processability or performance.

    Purpose of the Study:

    • To introduce and characterize polycerams for integrated optics applications.
    • To demonstrate the synthesis and fabrication of polycerams as thin films and waveguides.

    Main Methods:

    • Wet-chemical synthesis of ceramic-polymer hybrid materials (polycerams).
    • Deposition of polyceram films with controlled thicknesses (<100 nm to >5 microm).
    • Fabrication of planar waveguides and characterization of optical properties.

    Main Results:

    • Polycerams exhibit tunable refractive indices and Abbe numbers.

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    Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
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    Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

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    Last Updated: Jun 19, 2026

    Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
    08:04

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    Published on: May 27, 2020

    Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds
    11:44

    Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

    Published on: October 18, 2018

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    07:24

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  • Optical attenuations as low as <0.15 dB/cm were achieved in planar waveguides.
  • Materials can be patterned using embossing techniques.

    • Conclusions:

    • Polycerams offer exceptional optical properties due to their molecular-level organic-inorganic composition.
    • Their versatility in film deposition and patterning makes them suitable for integrated optics.
    • These hybrid materials represent a promising platform for advanced photonic devices.