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Dewi Mustikasari, Agus Supriyanto, Risa Suryana
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Materials Science & Nanotechnology Physics

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Karakteristik Lapisan TiO2 Metode Spray dalam Dye-Sensitized Solar Cell Dewi Mustikasari, Agus Supriyanto, Risa Suryana
Jurnal Teori dan Aplikasi Fisika Vol 1, No 2 (2013): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v1i2.953

Abstract

Characteristic of TiO2 layers which was produced by spray method using airbrush equipment in the Dye-Sensitized Solar Cell (DSSC) were investigated from TiO2 surfaces morphology and I-V characteristics of DSSC. Spray application rate varied into 20, 40, and 60 times. Annealing temperature variation of TiO2 layers for each spray amount variation were 300ºC, 400ºC, and 500ºC, respectively. Dye was extracted from Spirulina sp chlorophyll which was used as sensitizer on the DSSC structures. The I-V characteristics of DSSC indicated that spray and temperature variation of TiO2 layers form diode characteristic curves. Generally, annealing temperature of 400ºC had Voc value higher than annealing temperature of 300ºC and 500ºC. The magnitude of Voc value was closely related with TiO2 high absorption to dyes. Furthermore, grain agglomeration models of TiO2 at 400ºC estimated that electrons diffused in TiO2 and then succeeded to attain the work electrode more than agglomeration models at 300ºC and 500ºC. Keyword : TiO2, DSSC, spray, I-V characteristics, Voc
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