Recent progress in buried Interface engineering for n-i-p perovskite solar cells

IF 9.2 2区工程技术 Q1 ENERGY & FUELS

Sustainable Materials and Technologies Pub Date : 2026-04-15 Epub Date: 2026-01-09 DOI:10.1016/j.susmat.2026.e01853

Xuan Liu , Yi Fang , Gaojun Jia , Xiaoli Song , Mingsi Xie , Ruijuan Liao , Ao Zhang , Chunxiu Zhang , Haifeng Yu

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Abstract

Perovskite solar cells (PSCs) have emerged as up-and-coming third-generation photovoltaic devices due to their high efficiency and low cost, yet buried interface issues hinder their advancement. This review systematically summarizes recent advances in buried interface engineering for n-i-p (negative-intrinsic-positive) PSCs, addressing critical challenges such as lattice mismatch, deep-level defects, and energy-level misalignment at the electron transport layer (ETL)/perovskite interface. Through multi-scale strategies including atomic-scale coordination passivation, nanoscale graded energy level regulation, and mesoscale crystallization control, charge transport efficiency and operational stability have been significantly improved. Device characterization confirms that breakthroughs have been achieved in the power conversion efficiency (PCE) and service life of the cells under stress conditions such as illumination, humidity, and thermal cycling. This work not only elucidates the fundamental mechanisms of buried interface optimization but also provides practical technical pathways for the large-scale industrial applications of high-performance PSCs.

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n-i-p钙钛矿太阳能电池埋藏界面工程研究进展

钙钛矿太阳能电池（PSCs）由于其高效率和低成本的特点，已成为极具发展前景的第三代光伏器件，但其潜在的界面问题阻碍了其发展。本文系统总结了n-i-p（负本征-正）PSCs的埋藏界面工程的最新进展，解决了电子传输层(ETL)/钙钛矿界面上的晶格失配、深层次缺陷和能级错位等关键挑战。通过原子尺度配位钝化、纳米尺度梯度能级调控和中尺度结晶控制等多尺度策略，显著提高了电荷输运效率和运行稳定性。器件特性证实，在光照、湿度和热循环等应力条件下，电池在功率转换效率（PCE）和使用寿命方面取得了突破。这项工作不仅阐明了埋藏接口优化的基本机制，而且为高性能psc的大规模工业应用提供了实用的技术途径。

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来源期刊

Sustainable Materials and Technologies Energy-Renewable Energy, Sustainability and the Environment

CiteScore

13.40

自引率

4.20%

发文量

158

审稿时长

45 days

期刊介绍： Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.