Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Molecular Orbital Theory II03:51

Molecular Orbital Theory II

18.6K
Molecular Orbital Energy Diagrams
18.6K
π Molecular Orbitals of 1,3-Butadiene01:24

π Molecular Orbitals of 1,3-Butadiene

8.4K
Conjugated dienes have lower heats of hydrogenation than cumulated and isolated dienes, making them more stable. The enhanced stabilization of conjugated systems can be understood from their π molecular orbitals.
The simplest conjugated diene is 1,3-butadiene: a four-carbon system where each carbon is sp2-hybridized and has an unhybridized p orbital that contains an unpaired electron. According to molecular orbital theory, atomic orbitals combine to form molecular orbitals such that the...
8.4K
Metallic Solids02:37

Metallic Solids

18.0K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and...
18.0K
X-ray Crystallography02:18

X-ray Crystallography

23.7K
The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
23.7K
Polymer Classification: Crystallinity01:21

Polymer Classification: Crystallinity

2.7K
Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...
2.7K
Crystal Field Theory - Tetrahedral and Square Planar Complexes02:46

Crystal Field Theory - Tetrahedral and Square Planar Complexes

40.7K
Tetrahedral Complexes
Crystal field theory (CFT) is applicable to molecules in geometries other than octahedral. In octahedral complexes, the lobes of the dx2−y2 and dz2 orbitals point directly at the ligands. For tetrahedral complexes, the d orbitals remain in place, but with only four ligands located between the axes. None of the orbitals points directly at the tetrahedral ligands. However, the dx2−y2 and dz2 orbitals (along the Cartesian axes) overlap with the ligands less than...
40.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Nonmetallic Si Doping Constructs Cu<sub>2</sub>O/Co-O-Si Tandem Sites for Neutral Nitrate Reduction Electrocatalysis Toward Ammonia Recovery and Energy-Integrated Applications.

Angewandte Chemie (International ed. in English)·2026
Same author

Nanozyme-catalyzed dual-potential electrochemiluminescence immunosensor for simultaneous detection of CEA and NSE as lung cancer biomarkers.

Talanta·2026
Same author

Epidemiological correlations and seasonal patterns of osteoporosis and its comorbidities: a 14-year big data analysis using search engine trends.

Frontiers in public health·2026
Same author

Immune-Inflammatory markers and heart failure incidence and mortality: a population-based longitudinal study.

Frontiers in cardiovascular medicine·2026
Same author

Rb<sub>2</sub>ZnGe<sub>3</sub>Se<sub>8</sub>: A Large-Birefringence Layered Chalcogenide Enabled by Anisotropic Electrons in Tetrahedral Units.

Inorganic chemistry·2026
Same author

Hollow MnO<sub>2</sub> nanosystem for glioblastoma sono-immunotherapy based on blood-brain barrier crossing and oxygen supply strategy.

Journal of colloid and interface science·2026

Related Experiment Video

Updated: May 12, 2025

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
07:24

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

Published on: April 14, 2020

16.8K

Bridging the Interlayer Binding to Ordered π-Conjugated Units for Constructing High-Performing Light Polarization

Haotian Qiu1,2, Ran An1,2, Chen Cui1,2

  • 1Research Center for Crystal Materials, CAS Key Laboratory of Functional Materials and Devices for Special Environments, Xinjiang Technical Institute of Physics and Chemistry, CAS, 40-1 South Beijing Road, Urumqi, 830011, P.R. China.

Angewandte Chemie (International Ed. in English)
|April 24, 2025
PubMed
Summary

Researchers developed new hybrid crystals for advanced optical devices. These crystals exhibit strong optical anisotropy and a layered structure, enabling the growth of large, high-quality samples for short-wave ultraviolet applications.

Keywords:
Birefringent crystalsCationic regulationInterlayer bindingShort‐wave ultravioletπ‐conjugated units

More Related Videos

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

11.5K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

8.7K

Related Experiment Videos

Last Updated: May 12, 2025

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
07:24

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

Published on: April 14, 2020

16.8K
Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

11.5K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

8.7K

Area of Science:

  • Materials Science
  • Crystallography
  • Optics

Background:

  • Light polarization modulation relies on optical anisotropy in crystalline materials, crucial for short-wave ultraviolet applications.
  • Synthesizing crystals with high optical anisotropy and desirable layered structures for device fabrication remains challenging.
  • Existing anisotropic crystals are often limited to small sizes, hindering their use in optical devices.

Purpose of the Study:

  • To design and synthesize novel hybrid crystals with both strong optical anisotropy and an easily grown layered structure.
  • To overcome the limitations of current materials for short-wave ultraviolet polarization applications.
  • To provide a new class of birefringent crystals for optical device development.

Main Methods:

  • Synthesized two new hybrid crystals: Na2[C(NH2)3][HCOO]3 (1Na) and K2[C(NH2)3][HCOO]3 (2K) using cationic regulation and π-conjugated units.
  • Investigated crystal structure and interlayer interactions, attributing stability in 1Na to Na+ and [HCOO] group orbital hybridization and Lewis acidity.
  • Measured birefringence using the minimal deviation angle method and designed a preliminary Glan-Taylor prism for polarization testing.

Main Results:

  • Successfully grew centimeter-large, high optical quality single crystals of 1Na.
  • Achieved a high birefringence of 0.174-0.258 @253-1013 nm in 1Na, outperforming existing crystals in the short-wave ultraviolet region.
  • Demonstrated the light polarization ability of the synthesized crystals through preliminary prism design.

Conclusions:

  • The developed hybrid crystals offer a promising solution for creating advanced optical devices requiring efficient polarization modulation in the short-wave ultraviolet spectrum.
  • The strategy of bridging interlayer binding to ordered π-conjugated units facilitates the growth of large, high-quality anisotropic crystals.
  • This research provides a valuable guide for the future development of novel short-wave ultraviolet birefringent crystals.