Scholarlink

<p>In this theoretical study, potential K<sub>2</sub>TiI<sub>6</sub> perovskite material has been used as the absorber layer of the investigated perovskite solar cells (PSCs). The SCAPS-1D program was used to conduct the numerical analysis where 10 different hole transport layers (HTLs) and 4 electron transport layers (ETLs) were used to find the best optimum device structure. While various HTLs were studied, D-PBTTT-14 showed the best-optimized performance and therefore it was chosen as the final HTL material for further studies in combination with 4 ETL materials. Different device parameters such as the thickness of the absorber, HTL, and ETL layers; doping concentrations, and defect densities are varied in this work to optimize the investigated device structures. Moreover, the effect of temperature, series and shunt resistance, J-V curve, Q-E curve, recombination and generation rates were explored in this study. After optimizing various device parameters, the device with CdZnS ETL demonstrated superior performance compared to other ETL devices. It achieved a power conversion efficiency (PCE) of 26.21%, fill factor (FF) of 88.06%, short-circuit current density (J<sub>sc</sub>) of 20.951&#xa0;mA/cm², and an open-circuit voltage (V<sub>OC</sub>) of 1.4205&#xa0;V. Under fully optimized conditions, LBSO, Nb<sub>2</sub>O<sub>5</sub>, and PC<sub>60</sub>BM ETL devices showed PCE of 22.06%, 23.24%, and 23.12%, respectively. Based on the findings of this study, it can be stated that this work could be valuable for the practical implementation of K<sub>2</sub>TiI<sub>6</sub> absorber-based PSCs.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

An investigation of hole transport layers and electron transport layers to produce highly efficient K2TiI6-based perovskite solar cells

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月30日

查看全文
  • M. Khalid Hossain,
  • Kazi Md Sadat,
  • M. Shihab Uddin,
  • Apon Kumar Datta,
  • Prakash Kanjariya,
  • M. Sudhakara Reddy,
  • Rishiv Kalia,
  • Barani Selvaraj,
  • Aboud Ahmed Awadh Bahajjaj,
  • R. Balachandran,
  • Ali Hajjiah,
  • Rajesh Haldhar

摘要

In this theoretical study, potential K2TiI6 perovskite material has been used as the absorber layer of the investigated perovskite solar cells (PSCs). The SCAPS-1D program was used to conduct the numerical analysis where 10 different hole transport layers (HTLs) and 4 electron transport layers (ETLs) were used to find the best optimum device structure. While various HTLs were studied, D-PBTTT-14 showed the best-optimized performance and therefore it was chosen as the final HTL material for further studies in combination with 4 ETL materials. Different device parameters such as the thickness of the absorber, HTL, and ETL layers; doping concentrations, and defect densities are varied in this work to optimize the investigated device structures. Moreover, the effect of temperature, series and shunt resistance, J-V curve, Q-E curve, recombination and generation rates were explored in this study. After optimizing various device parameters, the device with CdZnS ETL demonstrated superior performance compared to other ETL devices. It achieved a power conversion efficiency (PCE) of 26.21%, fill factor (FF) of 88.06%, short-circuit current density (Jsc) of 20.951 mA/cm², and an open-circuit voltage (VOC) of 1.4205 V. Under fully optimized conditions, LBSO, Nb2O5, and PC60BM ETL devices showed PCE of 22.06%, 23.24%, and 23.12%, respectively. Based on the findings of this study, it can be stated that this work could be valuable for the practical implementation of K2TiI6 absorber-based PSCs.