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Solehudin Solehudin
Universitas Negeri Malang
Astronomy Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

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Analysis of Nanoporous Semiconductor Film Thickness Effect on Short Circuit Current Density of β-Carotene Dye based DSSC: Theoretical and Experimental Approach Solehudin Solehudin; Markus Diantoro; Arif Hidayat
JPSE (Journal of Physical Science and Engineering) Vol 4, No 1 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Dye-sensitized solar cells (DSSC) made of TiO2 have received increasing attention since O’Regan and Gratzel published their work in Nature in 1991 [1]. Some studies have been conducted to determine the effect of the TiO2 electrode thickness on the DSSC performance. Nevertheless, the effect of the electrode thickness on the J–V characteristics, especially the short circuit current density (Jsc), has not been adequately addressed. Therefore, in this investigation, parametric analyses were conducted to study the DSSC electrode thickness effect on Jsc. Diffusion model was used to derive the equation of nanoporous semiconductor film thickness (d) dependence on Jsc. TiO2 paste was prepared using same method as Ref. [2]. The cells I-V curve were characterized using a computerized digital multi-meter (Keithley 2400) with a variable load. The cells short circuit current (Jsc) data gotten from the I-V characterization were plotted as the function of the thickness of TiO2 films. The result of the data plot was then compared and fitted with the theoretical modelling result. It is apparent that the DSSC performance largely depends on the TiO2 film thickness. The results was also showed that the diffusion model provided good approximation to describe the dependence of Jsc on the film thickness of DSSC.DOI: http://dx.doi.org/10.17977/um024v4i12019p001
Pengaruh Fraksi Nano (TiO2:SnO2) terhadap Struktur dan Efisiensi DSSC TiO2:SnO2/β-Karoten/FTO Muhammad Baqir Zaini; Siti Maryam; S E I Suryani; S W Himmah; Z Nurdiana; Solehudin Solehudin; Thatit Suprayogi; Sunaryono Sunaryono; Markus Diantoro
JPSE (Journal of Physical Science and Engineering) Vol 3, No 2 (2018): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Penggunaan energi terbarukan berbasis energi matahari banyak dikembangkan dalam beberapa tahun terakhir berupa solar sel khususnya dalam bentuk DSSC. Semikonduktor SnO2 memiliki band gap yang paling besar yaitu 3,6 eV dan TiO2 dalam bentuk anatase dan rutil memiliki nilai 3,2 dan 3,0 eV. SnO2 dan TiO2 memiliki beberapa kemiripan pada sifat elektronik dan struktural. Pada penelitian ini, pembentukan komposit TiO2/SnO2 dilakukan dengan menggunakan variasi Wt% massa TiO2 100, 97, 94, 88  dan 85%. Metode dalam sintesis menggunakan kopresipitasi untuk TiO2 dan solgel untuk SnO2. Karaktersisasi XRD menunjukkan nano partikel TiO2 dengan struktur anatase dengan ukuran butir 8,89 nm dan nano partikel SnO2 28 nm. Pada variasi massa, efisiensi meningkat dengan bertambahnya massa TiO2. Nilai efisiensi maksimum yang dihasilkan pada 100 % TiO2 yaitu 0,18 %. DOI: http://dx.doi.org/10.17977/um024v3i22018p063
Co-Authors Arif Hidayat Markus Diantoro Muhammad Baqir Zaini S E I Suryani S W Himmah Siti Maryam Sunaryono Thathit Suprayogi Z Nurdiana