CuInSe2(1-x)S2xthin films were deposited by spray pyrolysis. Lattice parametersa andc, for all composition parametersX, were calculated from the Phillips X-ray diffractometer. The structure remained tetragonal chalcopyrite throughout. Optical band gap (Eg) was determined for the composition parameterX from the transmittance study at room temperature. Variation ofEg,a andc withX was found to be linear.
Volume 43, 2020
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