
Enhancement of photo-sensing properties of CdS thin films by …
2020年11月1日 · The responsivity, detectivity, photo-sensitivity, and external quantum efficiency (EQE) of CdS thin films were measured using a Keithley source meter system (model 2450), which was measured using 532 nm laser wavelength.
CdS(In)/CZTSSe bandgap alignment engineering for performance ...
2024年6月1日 · (a) EQE spectra of CdS(In 0∼0.4%) solar cells and Jsc fitted by EQE. (b) Calculated band gap fitted by EQE. We determined from the photoluminescence (PL) and Ultraviolet Photoelectron Spectroscopy (UPS) tests on the films for evaluating the effect of In doping on the energy band alignment at the CZTSSe/CdS interface, as shown in Fig. 8 .
Effect of CdS Layer Thickness on Thermally Evaporated-CdS
2022年6月20日 · Electrical characterizations were performed for the fabricated cells using the solar simulator. PVE300 photovoltaic QE system was used to obtain the external quantum efficiency (EQE) of the optimum CdS/CdTe solar cell for …
Optical Simulation of External Quantum Efficiency Spectra
2019年1月11日 · Measured (broken lines) and simulated (solid lines) external quantum efficiency (EQE) spectra for the CdS/CdTe solar cell at bias voltages of a −0.8 V and b 0 V .
EQE characteristics for conventional CdS/CdTe cell and proposed ...
In this simulation, cadmium selenide (CdSe) has been utilized as a replacement for conventional cadmium sulfide (CdS) window layer by numerical simulation using Solar Cell Capacitance Simulator...
Effect of Zn-doping CdTe on the internal and external quantum ...
2023年7月31日 · Cd1−xZnxTe bulk is a semiconductor with a narrow bandgap value. The band gap values decrease slightly linearly from 1.708 to 1.642 eV with increase of Zn content. Optical reflectivity and absorption are discussed in detail. The IQE and EQE quantum efficiency of CdTe thin film and Zn doping CdTe bulk are investigated and analyzed.
Enhanced conversion efficiency in Si solar cells employing ...
2017年10月26日 · Here we report the synthesis and characterization of photoluminescent, down-shifting, core-shell CdSe/CdS quantum dots (QDs) that absorb in the UV range of the solar spectrum and emit photons...
Effects of CdTe selenization on the electrical properties of the ...
2021年10月1日 · CdSe x Te 1-x /CdTe solar cells are manufactured by a simple selenization step. EQE shows a large response in both short and long wavelength regions. The presence of Se increases the net charge density in the CdTe bulk region. Higher Cu solubility and reduced presence as interstitial atom with Se inclusion.
Mid-infrared cascade intraband electroluminescence with HgSe
2023年8月10日 · External quantum efficiency (EQE) decreases rapidly in the infrared from ~17% at 1.4 µm (refs. 16, 17, 20), to 0.3% at 2.3 µm (ref. 21) and 0.1% at 4 µm (ref. 22). The...
Fluorescent Carbon Dots: Fantastic Electroluminescent Materials …
Fluorescent carbon dots (CDs) have emerged as fantastic luminescent nanomaterials with significant potentials on account of their unique photoluminescence properties, high stability, and low toxicity. The application of CDs in electroluminescent light-emitting diodes (LEDs) have aroused much interest in recent years.