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2024 Vol.44, Issue 3 Preview Page

Research Article

Metal-Oxide Based Transparent Heater with Interdigitated Electrodes

교차 전극을 이용한 금속 산화물 기반의 투명 히터

Junghyun Lee1†
,
Chanhyuk Choi1†
,
Kumail Muhammad1†
,
Bhatnagar Priyanka2
,
Patel Malkeshkumar3
,
Joondong Kim4*
이 정현1†
,
최 찬혁1†
,
무하마드 쿠마일1†
,
프리양카 바트나가2
,
말케시쿠마 파테르3
,
김 준동4*
1Master Course, Department of Electrical Engineering, Incheon National University
2Ph.D. Candidate, Department of Electrical Engineering, Incheon National University
3Senior Researcher, Department of Electrical Engineering, Incheon National University
4Professor, Department of Electrical Engineering, Incheon National University
1인천대학교 전기공학과, 석사 과정
2인천대학교 전기공학과, 박사 과정
3인천대학교 전기공학과, 박사, 책임연구원
4인천대학교 전기공학과, 교수
*Corresponding Author
†These authors equally contributed to this work.
30 June 2024. pp. 55-65
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Abstract

This study aimed to compare and analyze various transparent heaters to ascertain their potential applications in smart windows. Transparent heaters have promising applications in fields where visibility is essential. Their applications in buildings and vehicles offer significant advantages. A major benefit is their ability to operate with minimal energy consumption, thereby contributing to energy saving for heating. Additionally, their transparency provides superior visual aesthetics, and their high infrared reflectivity is effective in reducing heat transfer through glasses by loss, helping maintain the quality of indoor temperatures and environments. The transparent heater functions according to the Joule heating principle, in which reducing the resistance and enhancing the current flow under a specific voltage leads to increased heat production. For active transparent heaters, the optical and electrical profiles of a single ITO film and ITO/Ag/ITO (oxide/metal/oxide, OMO) structures were investigated. The OMO structure provides a substantially low resistance (2.2 Ω/□) and high optical transmittance (76%). An interdigitated electrode was designed to provide multiple current paths for improving current flow. The suitability of the structures was assessed by comparing the results of each characteristic. OMO-structured transparent heaters exhibit excellent optical and electrical properties, making them suitable for application as films on glass in the structural, surface, and automotive industries.

Keywords
Transparent heater
OMO structure
Interdigitated electrodes
Indium Thin Oxide
키워드
투명 히터
OMO 구조
교차 전극
ITO
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Information
  • Publisher :Korean Solar Energy Society
  • Publisher(Ko) :한국태양에너지학회
  • Journal Title :Journal of the Korean Solar Energy Society
  • Journal Title(Ko) :한국태양에너지학회 논문집
  • Volume : 44
  • No :3
  • Pages :55-65
  • Received Date : 2024-04-04
  • Revised Date : 2024-05-07
  • Accepted Date : 2024-05-08
  • DOI :https://doi.org/10.7836/kses.2024.44.3.055
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