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2020 Vol.30, Issue 2 Preview Page
Characteristics of Perovskite Solar Cell with Nano-Structured MoO3 Hole Transfer Layer Prepared by Hydrothermal Synthesis

수열합성법으로 제막한 MoO3 나노 구조체를 정공수송층으로 갖는 페로브스카이트 태양전지 특성분석

Jae-Kwan Song1
,
Joon-Sub Ahn1
,
Eun-Mi Han2†
송 재관1
,
안 준섭1
,
한 은미2†
1Department of Advanced Chemicals & Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
2School of Chemical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
1전남대학교 공과대학 신화학소재공학과
2전남대학교 공과대학 화학공학부
†Corresponding author E-Mail : emhan@jnu.ac.kr (E.-M. Han, Chonnam Nat’l Univ.)
February 2020. pp. 81-86
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Abstract

MoO3 metal oxide nanostructure was formed by hydrothermal synthesis, and a perovskite solar cell with an MoO3 hole transfer layer was fabricated and evaluated. The characteristics of the MoO3 thin film were analyzed according to the change of hydrothermal synthesis temperature in the range of 100 °C to 200 °C and mass ratio of AMT : nitric acid of 1 : 3 ~ 15 wt%. The influence on the photoelectric conversion efficiency of the solar cell was evaluated. Nanorod-shaped MoO3 thin films were formed in the temperature range of 150 °C to 200 °C, and the chemical bonding and crystal structure of the thin films were analyzed. As the amount of nitric acid added increased, the thickness of the thin film decreased. As the thickness of the hole transfer layer decreased, the photoelectric conversion efficiency of the perovskite solar cell improved. The maximum photoelectric conversion efficiency of the perovskite solar cell having an MoO3 thin film was 4.69 % when the conditions of hydrothermal synthesis were 150 °C and mass ratio of AMT : nitric acid of 1 : 12 wt%.

Keywords
molybdenum oxide
hole transfer layer
hydrothermal synthesis
nanorods
perovskite solar cell
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 30
  • No :2
  • Pages :81-86
  • Received Date : 2020-01-01
  • Revised Date : 2020-01-29
  • Accepted Date : 2020-01-29
  • DOI :https://doi.org/10.3740/MRSK.2020.30.2.81
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