Speaker
Description
- Introduction
Chalcogenide perovskites ABX3 (A=Alkaline earth metals; B=Transition metals; X=S or Se) have recently been studied, but they still need to be rigorously tested under various conditions. Several experimental studies on these materials have been conducted [1] [2]. Zr-based chalcogenide perovskites (AZrS3, where A is an alkaline earth metal such as Ca, Sr, or Ba) have a d-orbital character, whereas the 4d states are less localized than the 3d states, resulting in a high absorption coefficient and a low effective mass of the charge carriers in these compounds [3].
In this study, a device simulation of CaZrS3 material is reported for the first time, which makes this new study interesting, using the one-dimensional solar cell capacitance simulator SCAPS-1D. Therefore, we tried to propose low cost Electron Transport Materials ETMs (TiO2, ZnO, and SnO2). The influence of thickness, doping concentration (NA), and the working temperature on the device performance were studied.
- Results
As a result, we have found that for CaZrS3 the most preferment structure is found to be: Au/NiOx/CaZrS3 (Absorber)/ZnO/FTO with a maximum PCE of 19.36%, V_OC of 1.79 V, 〖 J〗_SC of 16.13 mA/cm2 and FF of 89.85%.
- References
[1] Shaili H 2021 Synthesis of the Sn-based CaSnS3 chalcogenide perovskite thin film as a highly stable photoabsorber for optoelectronic applications J. Alloys Compd. 9
[2] Zitouni H, Tahiri N, El Bounagui O and Ez-Zahraouy H 2020 Electronic, optical and transport properties of perovskite BaZrS3 compound doped with Se for photovoltaic applications Chem. Phys. 538 110923
[3] Kumar M, Singh A, Gill D and Bhattacharya S 2021 Optoelectronic Properties of Chalcogenide Perovskites by Many-Body Perturbation Theory J. Phys. Chem. Lett. 12 5301–7
