A Brief Overview of Electrochromic Materials and Related Devices: A Nanostructured Materials Perspective
- Title
- A Brief Overview of Electrochromic Materials and Related Devices: A Nanostructured Materials Perspective
- Author
- 장승환
- Keywords
- electrochromic materials; nanostructured electrochromic materials; electrochromism; color; "Smart Windows"; transition metal oxides (TMO); nanomaterials; graphene oxide (GO); reduced graphene oxide (rGO)
- Issue Date
- 2021-09
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Citation
- Nanomaterials, v. 11, NO 9, Page. 1-32
- Abstract
- Exactly 50 years ago, the first article on electrochromism was published. Today electrochromic materials are highly popular in various devices. Interest in nanostructured electrochromic
and nanocomposite organic/inorganic nanostructured electrochromic materials has increased in
the last decade. These materials can enhance the electrochemical and electrochromic properties of
devices related to them. This article describes electrochromic materials, proposes their classification
and systematization for organic inorganic and nanostructured electrochromic materials, identifies
their advantages and shortcomings, analyzes current tendencies in the development of nanomaterials
used in electrochromic coatings (films) and their practical use in various optical devices for protection
from light radiation, in particular, their use as light filters and light modulators for optoelectronic
devices, as well as methods for their preparation. The modern technologies of “Smart Windows”,
which are based on chromogenic materials and liquid crystals, are analyzed, and their advantages
and disadvantages are also given. Various types of chromogenic materials are presented, examples
of which include photochromic, thermochromic and gasochromic materials, as well as the main
physical effects affecting changes in their optical properties. Additionally, this study describes electrochromic technologies based on WO3 films prepared by different methods, such as electrochemical
deposition, magnetron sputtering, spray pyrolysis, sol–gel, etc. An example of an electrochromic
“Smart Window” based on WO3
is shown in the article. A modern analysis of electrochromic devices
based on nanostructured materials used in various applications is presented. The paper discusses
the causes of internal and external size effects in the process of modifying WO3 electrochromic films
using nanomaterials, in particular, GO/rGO nanomaterials.
- URI
- https://www.proquest.com/docview/2576481059?accountid=11283https://repository.hanyang.ac.kr/handle/20.500.11754/170536
- ISSN
- 20794991
- DOI
- 10.3390/nano11092376
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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