KESAN KETEBALAN LAPISAN PENGANGKUT ELEKTRON TIO2 TERHADAP PRESTASI SEL SURIA ORGANIK: KAJIAN SIMULASI: EFFECTS OF TIO2 ELECTRON TRANSPORT LAYER THICKNESS ON THE PERFORMANCE OF ORGANIC SOLAR CELL: SIMULATION STUDY

Chi Chin Yap; Norhazirah  Dahalan; Ain Hafizatul  Abi Talib; Nur Izzati  Mohamed Rosli

doi:10.11113/jurnalteknologi.v84.18565

Authors

Chi Chin Yap Jabatan Fizik Gunaan, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
Norhazirah Dahalan Jabatan Fizik Gunaan, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
Ain Hafizatul Abi Talib Jabatan Fizik Gunaan, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
Nur Izzati Mohamed Rosli Jabatan Fizik Gunaan, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

DOI:

https://doi.org/10.11113/jurnalteknologi.v84.18565

Keywords:

Electron transport layer, organic solar cell, SCAPS, simulation, thickness

Abstract

Organic solar cell has gained more attention due to its low-cost production and easy fabrication process. However, the power conversion efficiency (PCE) is still low as compared to that of inorganic solar cell. One of the approaches to improve the PCE of organic solar cell is by introducing an electron transport layer which can extract the electrons effectively in between photoactive layer and cathode. Simulation study using SCAPS (Solar Cell Capacitance Simulator) software was conducted to examine the effects of TiO₂ electron transport layer thickness on the performance of organic solar cell with ITO/TiO₂/P3HT:PCBM/Ag structure. P3HT:PCBM acted as photoactive layer, whereas ITO and Ag played roles as cathode and anode, respectively. The range of studied thickness was from 30 to 180 nm. The simulation result indicates that the PCE increased with TiO₂ layer thickness in the range of 30 to 120 nm, and it saturated when the TiO₂ layer thickness was further raised to 180 nm. The highest PCE of 2.139% was obtained at TiO₂ layer thickness of 180 nm.

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