X-ray and optical properties of chemically deposited nanocrystalline CdSe thin films

Structural, morphological and optical properties of nanocrystalline cadmium selenide thin films

“…The band gap energy 'E g ' was determined by extra plotting the straight line to the energy axis whose intercept to the x-axis gives the optical band gap. The band gap energy of CdSe film was found to be 1.7 eV which agrees well with earlier investigators results [1][2][3][4][36][37][38].…”

“…The observed d-values and respective prominent peaks correspond to the reflection from the (1 1 1), (2 2 0) and (3 1 1) planes, which coincide well with the JCPDS data [27]. The results of X-ray analysis well agree with earlier investigators report [1][2]16,[21][22][23][28][29][30][31][32][33][34]. X-ray diffraction analysis showed that CdSe film sample exhibit in cubic crystal structure.…”

“…The non-linear nature of the plot is also indicates two types conduction mechanism. The electrical conductivity of the film sample was found to be in the order of 10 −6 ( cm) −1 [1,2,21]. The activation energy (E a ) is determined by using Arrhenius equation which can be given as…”

“…CdSe has potential application in the area of electronic and opto-electronics devices as a transistor, sensors, lasers and photo electrode [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

Effects of annealing on cadmium selenide nanocrystalline thin films prepared by chemical bath deposition

“…It is used as an n-type window layer material in thin film solar cells. Recently, Chate et al [5] have reported that CdSe is the suitable candidate for photovoltaic applications [6,7].…”