UV-Photodetectors based on CuO/ZnO nanocomposites

Recent Progress of Heterojunction Ultraviolet Photodetectors: Materials, Integrations, and Applications

“…These specific properties make Se a very promising component for heterojunction UV–visible photodetectors with fascinating performance 114,115 2) Metal oxide : p‐type metal oxide semiconductors (such as CuO and NiO) have also been utilized to form p‐n heterojunctions 116,117. A solution‐processed p‐n heterojunction photodiode is fabricated based on NiO and ternary Zn 1− x Mg x O ( x = 0–0.1).…”

Photosensitive activity of fabricated core-shell composite nanostructured p-CuO@CuS/n-Si diode for photodetection applications

“…Improved photo response and carrier transport mechanism of ZnO/graphene core-shell structure-based photo detector was reported by Shao et al [ 13 ]. In recent past CuO & CuS based core-shell photodetectors has been developed by several scientists like the p-CuO/n-MoS 2 flexible heterojunction photo detector was reported by Zhang et al with low-dark current ∼ 0.039 nA and highest detectivity ∼ 3.27 × 10 8 Jones [ 14 ], Wang et al developed the nanostructured p-CuO/n-ZnO heterojunction photodetector and observed the responsivity ∼ 0.040A/W at 1 V and 0.123 A/W at 2 V, Xie et al reported the CuO/SnO 2 UV photodetector and noticed the enhancement [ 15 ], Tian et al fabricated the In 2 Ge 2 O 7 photodetector with CuO coating and observed the high responsivity and quantum efficiency ∼ 7.34 × 10 5 A W −1 & 3.5 × 10 6 , respectively [ 16 ], Sahatiya et al reported the MoS 2 (n)–CuO(p) flexible diode on cellulose paper with ideality factor 1.89 eV, barrier height 0.243 eV, and responsivity ∼ 42 mA/W [ 17 ], Shin et al developed the p-CuO/n-Cu 1-x In x O core/shell UV photodetector and noticed the photoresponsivity ∼ 0.045 A/W [ 18 ], CuO/ZnO based UV photodetector with improved electrical nature was developed by Noothongkaew et al [ 19 ], UV detector based on ZnO/CuO was fabricated with by Vikas et al [ 20 ], Mohammadi et al reported the ZnO/NiO(CuO) photodetector with enhanced properties [ 21 ], p-CuO/n-ZnO photodetectors has been fabricated by Ji et al [ 22 ]. Xu et al p‐CuS‐ZnS/n‐ZnO photodetectors with responsivity ∼ 12 mA W −1 at 300 nm [ 23 ], Zhnag et al developed the n‐SrTiO3 (n‐STO) and p‐CuS‐ZnS (p‐CZS) photodetectors with highest responsivity ∼ 5.4 μA W −1 (at 390 nm), detectivity ∼ 1.6 × 10 9 Jones [ 24 ], Panigrahi et al fabricated n-ZnO/p-CuS photodetectors and investigated [ 25 ], etc.…”

Economic Friendly ZnO-Based UV Sensors Using Hydrothermal Growth: A Review

“…They were widely used in UV lasers, sensors, field-effect transistors, field emission devices, energy harvesters, light-emitting sources, phonic devices and nanogenerators [ 3 , 4 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 ]. These metal oxide materials include zinc oxide (ZnO), nickel oxide (NiO), titanium oxide (TiO 2 ), copper oxide (CuO), tin oxide (SnO 2 ), iron oxide (Fe 2 O 3 ), indium oxide (In 2 O 3 ), tungsten trioxide (WO 3 ) and vanadium oxide (V 2 O 3 ) [ 1 , 4 , 14 , 17 , 19 , 23 , 24 , 25 , 26 , 27 , 28 ]. Among all of these materials, ZnO has gained considerable interest due to its fascinating unique properties, as mentioned in Table 1 .…”