CdS thin films doped with metal-organic salts using chemical bath deposition

A Study on Hydrothermal Grown CdS Nanospheres: Effects of Cd/S Molar Ratio

“…On the other hand, the decrement in the resistivity could be referred to rising of carrier density accordingly. Cruz and co-workers found that lower amount of S/Cd molar ratio remarkably dropped the resistivity of CdS thin films whereas further increment of S/Cd molar ratio brought about a boost in the resistivities of the specimens [31]. But, when the molar ratio is changed further, a successive decrease appears in the n scores and a gradual increment in the ρ scores as collected in Table 1.…”

Increased conversion efficiency in cadmium telluride photovoltaics by luminescent downshifting with quantum dot/poly(methyl methacrylate) films

“…The CdS window layer, while key to device performance, cuts off part of the solar spectrum below the CdS band gap (2.42 eV) limiting the generation of photocurrent [2]. This filtering effect can be overcome, in part, by either thinning the CdS to a few tens of nanometres or by alloying it with another element (such as zinc) to widen its band gap [3,4]. Each of these methods has its drawbacks.…”

Structure and properties of CdS thin films prepared by pulsed laser assisted chemical bath deposition

“…In general, CdS thin films have been prepared by both physical and chemical techniques. As mentioned above, chemical bath deposition (CBD) is known to be the best method to produce CdS thin films with appropriate buffer layer properties for thin film solar cells [10], being a relatively simple, low temperature and inexpensive scalable deposition technique [11,12] with respect to high-cost vacuum techniques [13]. Deposition of CdS by CBD is based on the slow release of Cd 2+ and S 2-ions in an aqueous alkaline bath and subsequent condensation of these ions on the surfaces of the substrates immersed in the bath [14,15].…”