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Sains Malaysiana 51(12)(2022):
http://doi.org/10.17576/jsm-2022-5112-15
Pengoptimuman Lapisan P3HT:PCBM Terdop CuI dalam Sel Suria Organik Jenis Songsang untuk Aplikasi Cahaya Dalam
(Optimization of CuI-Doped P3HT:PCBM Layers in Inverted-Type Organic Solar Cells for Indoor Light Applications)
FARAH LIYANA
KHAIRULAMAN, CHI CHIN YAP*, MOHAMMAD HAFIZUDDIN HJ JUMALI & NOUR
ATALLAH ISSA
Jabatan Fizik Gunaan, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi,
Selangor Darul Ehsan, Malaysia
Received: 7 July 2022/Accepted: 1 September 2022
Abstrak
Dalam kajian ini, kesan kepekatan pendopan CuI dalam lapisan aktif poli
(3-heksilthiofena-2,5-dil) (P3HT): (6,6)-fenil-C61 butrik asid metil ester (PCBM) terhadap prestasi sel suria organik jenis songsang di bawah cahaya luar piawai (AM1.5 G) dan diod pemancar cahaya (LED) putih telah dikaji. Peranti dengan kepekatan pendopan CuI sebanyak 9 bt% memberi prestasi terbaik bagi kedua-dua keadaan pencahayaan dengan kecekapan penukaran kuasa (PCE) yang tertinggi pada
2.46% dan 5.17%, masing-masing di bawah cahaya luar dan dalam. Bagi pengoptimuman lanjut, kesan kepekatan larutan penyediaan lapisan aktif P3HT:PCBM terdop CuI terhadap prestasi sel suria organik telah dikaji. Didapati kepekatan optimum lapisan aktif adalah berbeza di bawah cahaya dalam dan luar. Peranti dengan kepekatan larutan lapisan aktif yang tinggi (50 mg/mL) memberikan prestasi terbaik di bawah cahaya LED dengan PCE 8.14% manakala lapisan aktif dengan kepekatan biasa (25 mg/mL) menunjukkan prestasi terbaik di bawah cahaya AM1.5G (2.46%).
Kata kunci: Aplikasi dalam; kepekatan larutan; kuprum iodida; pendopan; sel suria organik
Abstract
In this study, the effects of CuI doping concentration in poly(3-hexylthiophene) (P3HT): (6,6)-phenyl-C61-butyric
acid methyl ester (PCBM) active layer towards the performance of inverted type
organic solar cell under standard outdoor light (AM1.5 G) and white light
emitting diode (LED) light have been studied. Device with 9 wt% CuI doping concentration gave the best performance
for both illumination conditions with the highest PCE at 2.46% and 5.17%, under
outdoor and indoor light, respectively. For further optimization, the
dependence of the solution concentration of CuI-doped
P3HT:PCBM active layer towards the performance of
organic solar cell has been studied. It was found that the optimum solution
concentration of the active layer is different under indoor and outdoor light.
Device with higher active layer solution concentration (50 mg/mL) gave the best
performance under LED light with PCE of 8.14% while active layer with standard
concentration (25 mg/mL) showed the best performance under AM1.5G light
(2.46%).
Keywords: Copper iodide; doping; indoor application; organic solar cell; solution concentration
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*Corresponding author; email: ccyap@ukm.edu.my
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