Impact of deposition temperature on the structural properties of CdS/Si nanoparticles for nanoelectronics

Thermally driven structural phase transformation and dislocation density of CdS nanoparticles precipitated without surfactant in KOH alkaline medium

“…This is because the quantum confinement effect present in the nano-sized semiconductor shows unique physical and chemical properties, such as size-dependent bandgap shifts Dris et al 2012;Sheng et al 2017). CdS have become one of the magnetic materials among the II-IV group semiconductor compounds due to its direct wider optical bandwidth of 2.42 eV at room temperature and the existing nonlinear optical properties (Abdel-Galil et al 2017;Ayodhya et al 2015;Hussein et al 2019;Landeros et al 2019;Martínez-Landeros et al 2019;Shkir et al 2020;Saxenaa et al 2018;Yang et al 2019). CdS nano-sized semiconductors have already been widely used as optical sensors, transistors, solar batteries, photo-electrocatalysis, as well as luminescence devices, laser, light-emitting diodes, detectors, and also in antibacterial activity (Göde, 2019;Hussein et al 2019;Ji et al, 2019;Martínez-Landeros et al 2019;Priya et al 2018;Saxenaa et al 2018;Sonker et al 2020;Yang et al 2019).…”

“…CdS have become one of the magnetic materials among the II-IV group semiconductor compounds due to its direct wider optical bandwidth of 2.42 eV at room temperature and the existing nonlinear optical properties (Abdel-Galil et al 2017;Ayodhya et al 2015;Hussein et al 2019;Landeros et al 2019;Martínez-Landeros et al 2019;Shkir et al 2020;Saxenaa et al 2018;Yang et al 2019). CdS nano-sized semiconductors have already been widely used as optical sensors, transistors, solar batteries, photo-electrocatalysis, as well as luminescence devices, laser, light-emitting diodes, detectors, and also in antibacterial activity (Göde, 2019;Hussein et al 2019;Ji et al, 2019;Martínez-Landeros et al 2019;Priya et al 2018;Saxenaa et al 2018;Sonker et al 2020;Yang et al 2019). CdS is also an n-type semiconducting material and acts as a window layer for solar cell fabrication due to its high value of transmittance and band gap width (Martínez-Landeros et al, 2019;Shkir et al 2020).…”

“…Previously, tremendous attempts have been devoted to yielding nanoparticles with improved structural and physical properties (Yang et al, 2019). Hence, various physical and chemical methods have been proposed to produce the metal sulfides nanoparticles, such as the hydrothermal, solvothermal, precipitation, colloidal, sonochemical, and biosynthesis and sol-gel methods (Ayodhya & Veerabhadram, 2019;Dris et al 2013;Hussein et al 2019;Mohamed et al 2020;Priya et al 2018;Sonker et al 2020;Wilson & Ahamed, 2019;Yang et al 2019). The nanomaterial properties could be perfectly adjusted by the shape and morphology to meet the requirement and performance of the final product (Saxenaa et al, 2018).…”

Electricity Generation from Atmospheric Moisture Using a CdS/p‐Si Nanowire Hetero‐Junction Device

“…Hayden et al were the first to report the fabrication of heterostructured nanowires with p‐type Si core and n‐type CdS shell using pulsed‐laser deposition (PLD) for the application as nano LEDs in 2005 [8,9] . Subsequently, there has been quite a few reports involving the application of CdS/Si heterojunction as photodetector [10–18] . A recent work by Lin et al reported the synthesis of CdS quantum dot (QD) decorated vertically aligned Si NWs arrays with enhanced activity and recyclable operability for photocatalytic hydrogen evolution [19] .…”

“…[8,9] Subsequently, there has been quite a few reports involving the application of CdS/Si heterojunction as photodetector. [10][11][12][13][14][15][16][17][18] A recent work by Lin et al reported the synthesis of CdS quantum dot (QD) decorated vertically aligned Si NWs arrays with enhanced activity and recyclable operability for photocatalytic hydrogen evolution. [19] The formation of p-n heterojunction at the interface of the Si NWs and the CdS QDs results in an internal electric field which facilitate the separation and transport of the photoinduced charge carriers thereby improving both the photoactivity and photostability of the Si NWs/CdS array composite.…”