Challenges and recent advances in photodiodes-based organic photodetectors,Materials Today

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Challenges and recent advances in photodiodes-based organic photodetectors
Materials Today ( IF 21.1 ) Pub Date : 2021-09-11 , DOI: 10.1016/j.mattod.2021.08.004
Junwei Liu _{1,

2,

3} , Mengyuan Gao ₁ , Juhee Kim ₄ , Zhihua Zhou ₃ , Dae Sung Chung ₄ , Hang Yin ₅ , Long Ye _{1,

2,

6}

Affiliation

Organic photodetectors (OPDs) have drawn extensive research efforts due to their tailorable spectral response, ease of processing, compatibility with flexible devices and cooling-free operations. In this review, we outline the promising strategies for constructing high-performance and highly stable photodiodes-based OPDs from the perspectives of molecular engineering, morphology control, and device structure design. Firstly, the impact of molecular design and morphology control on OPD performance is clearly underlined and the molecular design rules and quantitative analysis methods are presented for high-performance OPDs. Subsequently, some striking device designs for multifunctional applications are discussed to elucidate the corresponding mechanism for various responses. What follows are the research efforts of boosting OPD stability for commercial applications. This review not only presents the detailed discussion on various OPD strategies aiming at simultaneously enhancing performance and stability but also provides some insights for the remaining challenges to make further breakthrough of OPDs.

中文翻译：

基于光电二极管的有机光电探测器的挑战和最新进展

有机光电探测器 (OPD) 因其可定制的光谱响应、易于处理、与灵活设备的兼容性和免冷却操作而吸引了广泛的研究工作。在这篇综述中，我们从分子工程、形态控制和器件结构设计的角度概述了构建高性能和高稳定的基于光电二极管的 OPD 的有前途的策略。首先，明确强调了分子设计和形貌控制对OPD性能的影响，并提出了高性能OPD的分子设计规则和定量分析方法。随后，讨论了一些用于多功能应用的引人注目的设备设计，以阐明各种响应的相应机制。以下是提高商业应用 OPD 稳定性的研究工作。本综述不仅详细讨论了旨在同时增强性能和稳定性的各种 OPD 策略，而且还为 OPD 进一步突破的剩余挑战提供了一些见解。

更新日期：2021-09-11

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