Research Article
Optical and Electrical Properties of Thin Films of CuS Nanodisks Ensembles Annealed in a Vacuum and Their Photocatalytic Activity
Table 1
Physical parameters of the CuxS films reported in the literature.
| GDM | (eV) | (nm) | Ts (°C) | Ta (°C) | (nm) | (·cm) (cm2 V−1 s−1) (cm3) | Ea (eV) | Phase | Reference |
| CBD 5–40 h | 1.3–1.45 | — | 50 | 200 | 300 | — | — | Cu0.8S | [1] | RF — | — | — | 500 | — | 50–600 | 0.8–0.04 4–10 1 × 1018–3 × 1019 | 0.1–0.004 | Cu2S CuS | [6] | SP — | 2.42–2.60 | 25.5–29.4 | 260–310 | — | 280 | 1.93–30 × 10−4 12–25 1.8 × 1020–1.7 × 1021 | — | CuS | [7] | CBD 9–24 h | 2.48–2.90 | 2-3 | — | — | 70–233 | 1 × 108–106 — — | 0.16–0.08 | CuS | [9] | PCD 1-2 h | 2.15–2.53 | — | RT | — | 150–350 | — | — | CuS CuxS | [21] | MOD — | 2.8 | 15–18 | RT | 350 | 300 | 3 × 105 1.72–16 1012–1015 | — | CuS | [25] | MOCVD 4–8 h | 2 | — | 300–500 | — | 20–2800 | 43–340 4 1.3 × 1017 | — | CuxS | [26] | CBD 6–8 h | 1.4–1.55 | 11–20 | 25–70 | 200–400 | 500 | 2.8 × 10−4 23.5 × 10−5 — | — | CuxS | [27] | ASP — | 2.2 | — | 270 | — | 320 | 6.25–3.13 × 10−2 3.2–4.2 2.3–6.2 × 1019 | — | Cu2S | [30] | SP — | 2.2 | — | 150–210 | — | 250 | — | — | CuS | [31] | CBD 18–20 h | 3 | 10–15 | 30 | — | 600 | — | — | CuS | [33] | CBD 1 h | 1.98–2.34 | | 40 | 100–200 | 378–733 | 8.25 × 10−1–1.72 × 10−2 0.17–3.5 6.25 × 1018–1.37 × 1021 | 0.007–0.013 | CuS | PS |
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CBD: chemical bath deposition; RF: reactive sputtering; SP: spray pyrolysis; SDM: sorption diffusion method; PCD: photochemical deposition; MOD: metal organic deposition; MOCVD: metal organic chemical vapor deposition; ASP: aerosol assisted spray pyrolysis; GDM: growth deposition method; : grain size; Ts: substrate temperature; Ta: annealing temperature; : thickness; Ea: activation energy; PS: present Study.
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