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Related Concept Videos

Alkali Metals03:06

Alkali Metals

24.9K
Group 1 elements are soft and shiny metallic solids. They are malleable, ductile, and good conductors of heat and electricity. The melting points of the alkali metals are unusually low for metals and decrease going down the group, while the density increases going down the group with the exception of potassium (Table 1).
Table 1: Properties of the alkali metals
24.9K
Mesh Analysis01:20

Mesh Analysis

1.5K
Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
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Bonding in Metals02:32

Bonding in Metals

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Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
52.6K
Metallic Solids02:37

Metallic Solids

20.8K
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 malleability....
20.8K
Enthalpy of Solution02:39

Enthalpy of Solution

31.1K
There are two criteria that favor, but do not guarantee, the spontaneous formation of a solution:
31.1K
Standard Electrode Potentials03:02

Standard Electrode Potentials

50.4K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
50.4K

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Related Experiment Video

Updated: Feb 10, 2026

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
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Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

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Stretchable Transparent Electrodes with Solution-Processed Regular Metal Mesh for an Electroluminescent

Cuiping Zhang1,2, Arshad Khan1, Jingxuan Cai1,2

  • 1Department of Mechanical Engineering , The University of Hong Kong , Pokfulam , Hong Kong , China.

ACS Applied Materials & Interfaces
|May 26, 2018
PubMed
Summary

We developed highly conductive and transparent stretchable metal-mesh electrodes using a scalable, solution-processed method. These electrodes show excellent performance in electroluminescent devices, paving the way for advanced wearable electronics.

Keywords:
electroluminescent light emittermetal-mesh electrodessolution-processed fabricationstretchable conductorstransparent conductive film

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Nanotechnology

Background:

  • Stretchable transparent electrodes (TEs) are crucial for flexible and wearable electronics.
  • Existing TEs often compromise conductivity, transparency, or durability under strain.
  • Developing robust TEs that maintain performance during stretching is a key challenge.

Purpose of the Study:

  • To develop and characterize novel stretchable metal-mesh transparent electrodes (TEs).
  • To evaluate the performance of these TEs in stretchable electroluminescent (EL) devices.
  • To investigate the failure mechanisms of stretchable TEs under mechanical stress.

Main Methods:

  • Fabrication of metal-mesh TEs using a vacuum-free, solution-processed approach.
  • Electrical and optical characterization of TEs under varying strain levels (up to 55%).
  • Integration of TEs as electrodes in stretchable EL lighting devices.
  • Analysis of fracture and fatigue mechanisms using different mesh patterns.

Main Results:

  • Achieved excellent electrical conductivity (<2 Ω/sq) and optical transparency (>80%) at 55% strain.
  • Demonstrated high figures of merit, competitive with existing stretchable TEs.
  • Successfully applied the TEs in a stretchable electroluminescent device, highlighting potential for low-power lighting.
  • Identified distinct fracture and fatigue behaviors under static and cyclic stretching.

Conclusions:

  • The developed stretchable metal-mesh TEs offer a promising high-performance solution for wearable electronics.
  • The vacuum-free, solution-processed fabrication is scalable and cost-effective for mass production.
  • Understanding failure mechanisms is critical for optimizing the design and reliability of stretchable TEs.