SINTESIS LAPISAN TIPIS TiO2:(F+In) PADA SUBSTRAT KACA DENGAN  METODE SPIN-COATING SEBAGAI BAHAN SEL SURYA

ABSTRAKTelah dilakukan penelitian sintesis lapisan tipis TiO2 dengan doping campuran Fluorin dan Indium. Tujuan penelitian ini untuk menghasilkan lapisan tipis yang baik digunakan sebagai salah satu komponen pada sel surya yaitu lapisan absorben. Sintesis lapisan tipis menggunakan metode spin-coating dengan bantuan alat centrifuge yang dimodifikasi. Penelitian ini dilaksanakan di Laboratorium Kimia Dasar dan Kimia Organik, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Mataram. Jenis penelitian ini adalah penelitian eksperimen murni dengan data dianalisis secara deskriptif. Proses sintesis lapisan tipis terdiri dari beberapa tahapan yaitu 1). Persiapan substrat, 2). Pembuatan larutan sol-gel, 3). Deposisi lapisan tipis, dan 4). Pemanasan sampel lapisan tipis. Sampel lapisan tipis diberikan tiga perlakuan berbeda yang terdiri dari 1). Konsentrasi larutan, 2). Jumlah lapisan, dan 3). Variasi suhu pemanasan sampel. Berdasarkan penelitian yang sudah dilakukan didapatkan bahwa semakin besar konsentrasi doping yang digunakan maka semakin gelap permukaan sampel lapisan tipis yang dihasilkan. Kata kunci: sintesis lapisan tipis; TiO2:(F+In); metode spin-coating; sel surya. ABSTRACTResearch on the synthesis of TiO2 thin films with doping mixture of Fluorine and Indium has been carried out. The aim of this research is to produce a thin film which is suitable for use as a component of solar cells, namely the absorbent layer. Synthesis of thin films using the spin-coating method with the help of a modified centrifuge. This research was conducted at the Laboratory of Basic Chemistry and Organic Chemistry, Faculty of Mathematics and Natural Sciences, Mataram University. This type of research is pure experimental research with data analyzed descriptively. The thin layer synthesis process consists of several stages, namely 1). Substrate preparation, 2). Preparation of sol-gel solution, 3). Thin layer deposition, and 4). Heating the thin layer sample. The thin layer sample was given three different treatments consisting of 1). The concentration of the solution, 2). Number of layers, and 3). Variation in sample heating temperature. Based on the research that has been done, it was found that the greater the doping concentration used, the darker the surface of the resulting thin layer sample. Keywords: synthesis thin film, TiO2:(F+In), spin-coating method, solar cells

Download Full-text

Effect of Bi dopant on morphological and optical properties of ZnO semiconductor films produced by the sol-gel spin coating process

Materials Testing ◽

10.1515/mt-2020-0123 ◽

2021 ◽

Vol 63 (8) ◽

pp. 778-782

Author(s):

Tülay Yıldız ◽

Nida Katı ◽

Kadriye Yalçın

Keyword(s):

Thin Film ◽

Thin Films ◽

Surface Roughness ◽

Optical Properties ◽

Spin Coating ◽

Sol Gel ◽

Zno Thin Film ◽

Spin Coating Method ◽

Coating Method ◽

Doped Zno

Abstract In this study, undoped semiconductor ZnO thin film and Bi-doped ZnO thin films were produced using the sol-gel spin coating method. By changing each parameter of the spin coating method, the best conditions for the formation of the film were determined via the trial and error method. When the appropriate parameter was found, the specified parameter was applied for each film. The structural, superficial, and optical properties of the films produced were characterized via atomic force microscope (AFM), UV-visible spectroscopy, and Fourier transform infrared (FTIR), and the effects of Bi dopant on these properties were investigated. When the morphological properties of the undoped and Bi-doped ZnO films were examined, it was observed that they had a structure in a micro-fiber shape consisting of nanoparticles. When the surface roughness was examined, it was observed that the surface roughness values became larger as the rate of Bi dopant increased. By examining the optical properties of the films, it was determined that they were direct band transition materials and Bi-doped thin films were involved in the semiconductor range. In addition, optical properties changed positively with Bi dopant. Since Bi-doped ZnO thin film has a wide bandgap and good optical properties, it is a material that can be used in optoelectronic applications.

Download Full-text

Synthesis of SnO2 Thin Layer with a Doping Fluorine by Sol-Gel Spin Coating Method

Jurnal Penelitian Pendidikan IPA ◽

10.29303/jppipa.v5i2.257 ◽

2019 ◽

Vol 5 (2) ◽

pp. 175 ◽

Cited By ~ 4

Author(s):

Lalu Muliyadi ◽

Aris Doyan ◽

Susilawati Susilawati ◽

Syamsul Hakim

Keyword(s):

Thin Film ◽

Thin Layer ◽

Tin Oxide ◽

Spin Coating ◽

Sol Gel ◽

Thin Layers ◽

Basic Material ◽

Spin Coating Method ◽

Number Of Layers ◽

Coating Method

A thin layer of tin oxide with doping Fluorine was synthesized using the sol-gel spin coating method. The synthesis aims to determine the quality of thin layers formed based on temperature variations and the number of layers. The basic material used is SnCl2.2H2O, while the doping material used is NH4F with variations in concentrations of dopants 0, 5, 10, 15, 20 and 25%. The substrate used is glass with a size of 10 x 10 x 3 mm. The synthesis of the thin layer includes substrate preparation, sol-gel making, thin film making, and heating process. At this stage SnO2:F is deposited on a glass substrate with sol-gel spin coating technique at the concentration of sol 1 M with doping levels of Fluorine 0, 5, 10, 15, 20 and 25%, and treated with maturation for 24 hours. Making a thin layer using a spin coater at a speed of 2000 rpm for 3 minutes. The layer made consists of one layer, two layers, three layers and four layers. The resulting layer shows that the higher the doping percentage, the higher the transparency of the layer. In addition, the more the number of layers, the lower the transparency level. Keywords: Thin Film, Tin Oxide, Fluorine, Sol-gel, Spin Coating

Download Full-text