Predicting photovoltaic parameters of perovskite solar cells using machine learning

Author:

Hui ZhanORCID,Wang Min,Chen Jialu,Yin Xiang,Yue YunliangORCID,Lu Jing

Abstract

Abstract Perovskite solar cells (PSCs) have garnered significant attention owing to their highly power conversion efficiency (PCE) and cost-effectiveness. Traditionally, screening for PSCs with superior photovoltaic parameters relies on resource-intensive trial-and-error experiments. Nowadays, time-saving machine learning (ML) techniques serve as an artificial intelligence approach to expedite the prediction of photovoltaic parameters using accumulated research datasets. In this study, we employ seven supervised ML methods to forecast key photovoltaic parameters for PSCs such as PCE, short-circuit current density (J sc), open-circuit voltage (V oc), and fill factor (FF). Particularly, we design an artificial neural network (ANN) architecture that incorporates residual connectivity and layer normalization after the linear layers to enhance the scope and adaptability of the network. For PCE and J sc, ANN demonstrates superior prediction accuracy, yielding root mean square errors of 2.632% and 2.244 mA cm−2, respectively. The Random Forest (RF) model exhibits exceptional prediction performance for V oc and FF. Additionally, an interpretability analysis of the model is conducted to elucidate the impact of features on PCE prediction, offering a novel approach for accurate and interpretable ML methods in the context of PSCs.

Funder

Universities Natural Science Research Project of Jiangsu Province

Lv Yang Jinfeng Project

Natural Science Foundation of Jiangsu Province

Publisher

IOP Publishing

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