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Главная Архив Оргкомитет Будущие конференции American Society of Thermal and Fluids Engineering

ISBN : 978-1-56700-518-9 (Flash Drive)

5th Thermal and Fluids Engineering Conference (TFEC)
2020, 5-8, April , New Orleans, LA, USA

OPTIMIZATION OF THERMAL EVAPORATION PROCESS OF GOLD DEPOSITION FOR PEROVSKITE SOLAR CELLS

Get access pages 739-745
DOI: 10.1615/TFEC2020.sol.031813

Аннотация

The purpose of this research is to learn how to deposit gold layer for Perovskite solar cell (PSC). PSC was manufactured layer by layer and eventually, a manmade device was used to deposit gold layer as a cathode on hole transport material (HTM), with thermal evaporation technique. An ethanol based nanofluid containing a commercial anatase TiO2 particles with the sizes of around 20 nm was prepared. A compact TiO2 layer was first spin-coated and subsequently sintered to stabilize particles on FTO glass. In the second step, the anatase TiO2 nanofluid was deposited, using spin coater technique and sintered to form an electron transport layer. The Perovskite and Spiro-OMeTAD as a HTM were successively deposited with a spin-coater in a glove box at a humidity of less than 20 %. Regarding the gold evaporation, the distance between source and substrate of the thermal evaporation device was 7 cm. One-step gold deposition was conducted at a pressure of 2 × 10-3 Pa and the source power was adjusted to form gold layer. It was observed that the deposition condition of gold layer had a significant impact on efficiency of PSC, consisting of FTO glass/buffer layer-TiO2 /nanocrystalline-TiO2/Perovskite/Spiro-OMeTAD/Au. Knowing that, this study investigated the effects of deposition, such as the thickness of gold layer on light-to-electricity conversion efficiency of PSC in order to optimize the device performance.
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