Quasi-Planar Heterojunction: Enhancing Stability and Practicality in Organic Photovoltaics

IF 19.3 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Yiwu Zhu, Feng He
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引用次数: 0

Abstract

With the rapid advancements in the power conversion efficiency (PCE) of organic photovoltaic (OPV) devices, their stability has garnered increasing attention. While material innovation has played a critical role in recent years, the Q-PHJ (quasi-planar heterojunction) architecture offers an alternative approach to device optimization. This article aims to explain how the introduction of the Q-PHJ architecture can mitigate degradation under various conditions without compromising device performance. It begins by illustrating the fundamental mechanisms responsible for the degradation of OPV devices. Following this, the advantages of the Q-PHJ device and the mechanism are explained by introducing our recent work as well as highlighting other researchers’ work in this field. Different aspects and factors such as morphology, the ternary strategy, additive engineering, and vertical distribution were analyzed. The role of material innovation is also discussed. In the end, the feasibility and challenges of applying bilayer and bilayer-dominated devices to industrial manufacturing are analyzed in detail.

Abstract Image

准平面异质结:提高有机光伏的稳定性和实用性
随着有机光伏(OPV)器件功率转换效率(PCE)的快速提高,其稳定性受到越来越多的关注。虽然近年来材料创新发挥了关键作用,但Q-PHJ(准平面异质结)架构为器件优化提供了另一种方法。本文旨在解释Q-PHJ架构的引入如何在不影响设备性能的情况下减轻各种条件下的性能下降。它首先说明了OPV器件退化的基本机制。接下来,通过介绍我们最近的工作以及其他研究人员在该领域的工作,解释了Q-PHJ器件的优点和机理。从形貌、三元策略、增材工程、垂直分布等不同方面和因素进行了分析。文章还讨论了材料创新的作用。最后,详细分析了双分子层和双分子层主导器件应用于工业制造的可行性和面临的挑战。
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来源期刊
ACS Energy Letters
ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment
CiteScore
31.20
自引率
5.00%
发文量
469
审稿时长
1 months
期刊介绍: ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.
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