Amorphous PbSe films: Growth and properties

Abstract The chemical deposition of amorphous lead selenide thin films is reported. The deposition method and the influence of isothermal annealing at 350 °C in air are discussed. The crystallization, the recrystallization and the changes in the electrical conductivity, in the optical properties and in the photoconductive behaviour produced by the structural modifications are investigated. An explanation is suggested for the existence of the spectral response maximum in the 1–2 μm range and also for the scatter in the properties of lead chalcogenide films grown in different laboratories.

[1]  J. Wey,et al.  Diffusion-controlled growth in a crowded environment , 1981 .

[2]  D. H. Roberts.  Photoconductivity in Lead Selenide , 1958 .

[3]  D. H. Roberts,et al.  Photoconductivity in chemically deposited films of lead selenide , 1958 .

[4]  I. Beatu,et al.  Effects of thermal annealing in air on VE, COD and CAD PbSe films , 1987 .

[5]  R. C. Kainthla,et al.  Solution Growth of CdSe and PbSe Films , 1980 .

[6]  R. S. Allgaier,et al.  Properties of thin films of PbTe and SnTe deposited at temperatures between 4.2° and 300 °K , 1970 .

[7]  J. Nedeljković,et al.  Enhanced photoredox chemistry in quantized semiconductor colloids , 1986 .

[8]  R. Turcu,et al.  Properties of PbSe films preparedby chemical “anorganic” deposition , 1985 .

[9]  K. Seetharamabhat,et al.  Electrical-conductivity changes in PbTe and PbSe films on exposure to the atmosphere. , 1985 .

[10]  D. O. Skovlin,et al.  Chemical Deposition of Thin Films of Lead Selenide , 1964 .

[11]  On the mechanism of conduction and photoconduction in PbTe films , 1982 .

[12]  R. Dalven.  A review of the semiconductor properties of PbTe, PbSe, PbS and PbO , 1969 .

[13]  R. Turcu,et al.  The Dynamic Behavior of the Electrical Conductivity of CAD-PbSe Films , 1986 .

[14]  Richard L. Petritz,et al.  Theory of Photoconductivity in Semiconductor Films , 1956 .

[15]  F. A. Smith,et al.  Influence of Crystal Size on the Spectral Response Limit of Evaporated PbTe and PbSe Photoconductive Cells , 1960 .

[16]  L. Biró,et al.  The Influence of Thermal Annealing on the Physical Properties of Chemically Deposited PbSe Films , 1987 .

[17]  R. Valiev,et al.  Grain boundary structure and properties under external influences , 1986 .

[18]  A. Clark,et al.  Properties of inhomogeneous amorphous and polycrystalline semiconductor films , 1983 .

[19]  D. Kashchiev,et al.  Recent investigations on nucleation and crystal growth processes , 1981 .