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Electrodeposition

Electrodeposition

Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...

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Related Experiment Video

Updated: Jun 12, 2026

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

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

Published on: June 23, 2017

Ink-Deposited Transparent Electrochromic Structural Colored Foils.

Arne A F Froyen^1,2, Nadia Grossiord^1,3, Jos de Heer³

¹Stimuli-Responsive Functional Materials and Devices, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.

ACS Applied Materials & Interfaces

|August 19, 2022

Summary

This summary is machine-generated.

Researchers developed a new flexible, transparent foil that changes color with temperature. This electrochromic device uses a printed heater and liquid crystal ink, offering potential for smart windows and displays.

Keywords:

cholesteric liquid crystal electrochromic photonic coating silver nanowire structural color transparent heater

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An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

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Area of Science:

Materials Science
Optoelectronics
Nanotechnology

Background:

Developing transparent, flexible, and color-tunable photonic systems for applications like smart windows remains a significant challenge.
Existing electrochromic devices often struggle to balance high transparency with tunable structural color and mechanical flexibility.

Purpose of the Study:

To create a novel, single-substrate transparent electrochromic structural colored foil with tunable reflective colors.
To demonstrate a scalable fabrication method for stimuli-responsive optical foils.

Main Methods:

Fabrication of a transparent foil using a single-substrate method involving gravure printing of a silver nanowire heater and bar-coating of cholesteric liquid crystal ink.
Utilizing an integrated heater for electrothermal response and temperature-induced structural color changes.
Characterization of optical and electrothermal performance under deformation.

Main Results:

The developed foil exhibits tunable structural color with high optical quality upon electrical potential modification, appearing colorless at room temperature.
Efficient and homogeneous heating was achieved via the gravure-printed silver nanowire substrate.
Both optical and electrothermal properties remained stable even when the foils were deformed, highlighting flexibility.

Conclusions:

The study presents a promising approach for large-scale production of stimuli-responsive, transparent optical foils using continuous printing and coating methods.
The flexible, transparent electrochromic foils have significant potential for applications in smart windows, displays, and sensors, especially on curved surfaces.