Unraveling the Stretch‐Induced Microstructural Evolution and Morphology–Stretchability Relationships of High‐Performance Ternary Organic Photovoltaic Blends
Abstract:The stretchability and stretch‐induced structural evolution of organic solar cells (OSCs) are pivotal for their collapsible, portable, and wearable applications, and they are mainly affected by the complex morphology of active layers. Herein, a highly ductile conjugated polymer P(NDI2OD‐T2) is incorporated into the active layers of high‐efficiency OSCs based on nonfullerene small molecule acceptors to simultaneously investigate the morphological, mechanical, and photovoltaic properties and structural evolution… Show more
“…Nevertheless, QD photodetectors generally present the inferior mechanical performance, which places great restrictions on their applications in wearable electronics. The great flexibility of organic semiconductors 103 may offer promising roads to enhance the mechanical performance of QPDs via the hybrid strategy. Moreover, our recent work has demonstrated that a promising elastomer can further enhance the mechanical performance of organic semiconductors, which is favorable for developing stretchable electronics.…”
Photodetectors hold great application potential in many fields such as image sensing, night vision, infrared communication and health monitoring. To date, commercial photodetectors mainly rely on inorganic semiconductors, e.g., monocrystalline...
“…Nevertheless, QD photodetectors generally present the inferior mechanical performance, which places great restrictions on their applications in wearable electronics. The great flexibility of organic semiconductors 103 may offer promising roads to enhance the mechanical performance of QPDs via the hybrid strategy. Moreover, our recent work has demonstrated that a promising elastomer can further enhance the mechanical performance of organic semiconductors, which is favorable for developing stretchable electronics.…”
Photodetectors hold great application potential in many fields such as image sensing, night vision, infrared communication and health monitoring. To date, commercial photodetectors mainly rely on inorganic semiconductors, e.g., monocrystalline...
“…We believe that the above research directions can enable the further performance and stability improvement of hybrid solar cells and thereby advance the progress toward commercialization. 223…”
The emerging solution-processing photovoltaic technologies, e.g., quantum dot (QD) and organic solar cells, have witnessed unprecedented progress in the past decade. Nevertheless, both technologies have their own merits, holding promising...
Section: Prediction Of Mechanical Parametersmentioning
confidence: 99%
“…We noted that the equivalent box model (EBM) was used to predict the elastic modulus of multicomponent polymer systems. 22,[54][55][56][57][58] This motivated us to understand the ternary OSC systems with the EBM. As shown in Fig.…”
Section: Prediction Of Mechanical Parametersmentioning
confidence: 99%
“…As ternary OSCs reduce the fabrication complexity of the tandem structure and the production cost, the ternary mixing strategy has received growing attention and is considered to be the most effective strategy to overcome the drawbacks of the binary blend of polymer and organic small molecule components. [8][9][10][11][12][13][14][15][16][17] Taking the high-efficiency PM6 and N3 binary system 18 as an example, several research groups [19][20][21][22][23][24][25] applied the ternary mixing strategy to produce improved performance and even record-high efficiency OSCs in the last few years. In a previous study, Peng et al 20 brought a common fullerene acceptor as the third component to modulate the mechanical, morphological, and photovoltaic properties of the PM6:N3 blend.…”
Using multiple donor polymers is a simple means to broaden the absorption range of organic solar cells (OSCs). Yet, achieving improved photovoltaic and mechanical properties in OSCs on dual polymers...
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