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Related Concept Videos

Introduction to Structures01:30

Introduction to Structures

A structure is defined as a system of interconnected members designed to support or transfer forces and successfully withstand the loads acting on them. The internal forces of a structure can be determined by decomposing the structure and analyzing the free-body diagrams of the individual members or of a combination of members. This helps in understanding the structural elements' behavior and ensuring that the structure is stable and can withstand the subjected loads.
There are three main...
Indeterminate Structure01:18

Indeterminate Structure

Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static equilibrium.  Indeterminate structures have more unknown forces and reaction forces than equations of static equilibrium that can be used to determine them. Indeterminate structures are often used in engineering to create complex, efficient, and aesthetically pleasing structures. There are various types of indeterminate structures used in engineering and some...
Structures of Carboxylic Acid Derivatives01:28

Structures of Carboxylic Acid Derivatives

Structure of Carboxylic Acid Derivatives
Carboxylic acid derivatives contain an acyl group attached to a heteroatom such as chlorine, oxygen, or nitrogen. The carbonyl carbon and oxygen are both sp2-hybridized with an unhybridized p orbital.
The three sp2 orbitals of the carbonyl carbon form three σ bonds, one each with the carbonyl oxygen, the α carbon, and the heteroatom, whereas the other two sp2 orbitals of the carbonyl oxygen are occupied by the lone pairs. Further, the unhybridized p...
Structural Isomerism02:34

Structural Isomerism

Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
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Structure of Cadherins01:25

Structure of Cadherins

The cadherins were one of the first cell adhesion molecules discovered; the term “cadherins”   is based on their calcium-dependent adhering properties. The first cadherins discovered on the epithelial, neuronal, and placental cells were named E-cadherin, P-cadherin, and N-cadherin, respectively. These classical cadherins share sequence and structural similarities. Other cadherins, including those involved in cell signaling, are grouped into non-classical cadherins. This diversity of cadherins...
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Updated: Jun 15, 2026

Structural Studies of Macromolecules in Solution using Small Angle X-Ray Scattering
07:19

Structural Studies of Macromolecules in Solution using Small Angle X-Ray Scattering

Published on: November 5, 2018

[Studies on a new type structure OELD with interinserting interface].

Zhi-Qiang Zhang1, Yu-Ying Hao, Wei-Xin Meng

  • 1Department of Physics for College of Science, Taiyuan University of Technology, Taiyuan 030024, China.

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|March 10, 2010
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel organic electroluminescent device (OELD) with interinserting interfaces, significantly boosting luminous efficiency and reducing turn-on voltage for improved performance.

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High Throughput Microfluidic Rapid and Low Cost Prototyping Packaging Methods
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High Throughput Microfluidic Rapid and Low Cost Prototyping Packaging Methods

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Last Updated: Jun 15, 2026

Structural Studies of Macromolecules in Solution using Small Angle X-Ray Scattering
07:19

Structural Studies of Macromolecules in Solution using Small Angle X-Ray Scattering

Published on: November 5, 2018

High Throughput Microfluidic Rapid and Low Cost Prototyping Packaging Methods
07:51

High Throughput Microfluidic Rapid and Low Cost Prototyping Packaging Methods

Published on: December 23, 2013

Area of Science:

  • Organic electronics
  • Materials science
  • Device physics

Context:

  • Traditional organic electroluminescent devices (OELDs) face limitations in charge balance and efficiency.
  • Optimizing interfaces is crucial for enhancing charge injection and exciton formation.

Purpose:

  • To fabricate and characterize a novel OELD utilizing interinserting interfaces.
  • To investigate the impact of interinserting interfaces on charge distribution, electric field, and device performance.

Summary:

  • A new OELD structure with interinserting interfaces (NPB/Alq3 and Alq3/Al) was fabricated using a tailor-made template.
  • These interfaces improved electron injection, balanced charge carriers, enhanced exciton formation, and reduced leakage current.
  • The interinserting structure OELD exhibited lower turn-on voltage, higher luminous efficiency, and improved optical-electrical stability compared to traditional devices.

Impact:

  • The interinserting structure OELD demonstrated a 34% higher maximum efficiency than traditional devices.
  • Increased interinsertions led to decreased driving voltage and increased brightness.
  • The developed OELD shows potential for advanced display and lighting applications.