Effect of solvent volume of CuAlO₂ thin films for solar cell active layer

Abstract

Copper aluminium oxide thin films were synthesised using the spray pyrolysis technique for different solvent volumes with a constant Cu/Al molar ratio. The preferential orientation is found along ( 100) and ( 102) planes, and the crystallite sizes are in the range from 21?6 to 28?4 nm. The structural studies reveal that the grown films were polycrystalline in nature. Hall effect results confirm that the grown films are p type. When the solvent volume is increased from 10 to 40 mL, the resistivity of the films decreases from 1?12610 26 to 6?2610 28 V cm. The band gap of the films increases with increasing the solvent volume. The obtained results show that the grown films can be used as the active layer in a solar cell.

Effect of low level nozzle height on properties of copper oxide absorption layer prepared by fully computerized spray pyrolysis depositions

“…Because of their optical properties such as high absorption coefficient in visible range [1] and energy band gap [2][3][4], make it important in solar energy application [5][6][7]. Furthermore, CuO have been prepared by using different techniques such as RF Plasma sputtering [8,9], Radio Frequency(RF) Magnetron Sputtering [10,11], dc Magnetron Sputtering [12], active reactive evaporation [13], thermally oxidation [14] chemical and chemical vapor deposition [15,16], Sol-gel [17], chemical spray [18,19]. CuO absorption layer can be used in wide range of application based on their properties and the examples include, the Magnetic behavior of copper oxide have been reported [20], CuO has been used as anode material of lithium-ion battery [5][6].…”

Delafossite Nanoparticle as New Functional Materials: Advances in Energy, Nanomedicine and Environmental Applications

“…have been reported [3][4]. They serve important roles in diverse applications, such as photovoltaics, transparent photodiode, heterogeneous catalysts, batteries, ferroelectrics [3][4], relaxor ferroelectric materials [5], solar cells [6], thin film transistor liquid-crystal display (TFT-LCD) [7], low thermal remittance coatings [8], light emitting diodes(LED) [9], electro-chromatic materials for smart windows [10][11], and others [12][13][14][15][16][17][18][19][20][21][22]. They are considered as transparent conducting oxides (TCOs)-oxides with low electrical resistivity and high visual light transparency.…”