2022
DOI: 10.1002/adma.202108508
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Meniscus‐Assisted Coating with Optimized Active‐Layer Morphology toward Highly Efficient All‐Polymer Solar Cells

Abstract: Morphology control is the key to engineering highly efficient solution‐processed solar cells. Focusing on the most promising application‐oriented photovoltaic all‐polymer solar cells (all‐PSCs), herein a facile and effective meniscus‐assisted‐coating (MAC) strategy is reported for preparing high‐quality blend films with enhanced crystallinity and an interpenetrating nanofiber network morphology. The all‐PSCs based on MAC exhibit excellent optoelectronic properties with efficiencies exceeding 15%, which is the … Show more

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Cited by 33 publications
(31 citation statements)
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“…It is worth noting that what most of the high-performance all-PSCs have in common is that they exhibit a suitable morphology. [16][17][18][19][20][21] Generally, an ideal active layer morphology is deemed to be a bi-continuous interpenetrating network with large donor/acceptor (D/A) interfacial areas and approximated 10-20 nm domain size that is comparable to the exciton diffusion length (L D ). 22,23 Despite the L D for Y6-based NFAs (B40 nm) being large, those of state-of-the-art donors, such as PTQ10, PM6, PM7, and D18, are still around 20 nm, 24 limiting the domain size of the blend film.…”
Section: Introductionmentioning
confidence: 99%
“…It is worth noting that what most of the high-performance all-PSCs have in common is that they exhibit a suitable morphology. [16][17][18][19][20][21] Generally, an ideal active layer morphology is deemed to be a bi-continuous interpenetrating network with large donor/acceptor (D/A) interfacial areas and approximated 10-20 nm domain size that is comparable to the exciton diffusion length (L D ). 22,23 Despite the L D for Y6-based NFAs (B40 nm) being large, those of state-of-the-art donors, such as PTQ10, PM6, PM7, and D18, are still around 20 nm, 24 limiting the domain size of the blend film.…”
Section: Introductionmentioning
confidence: 99%
“…Similarly, the behavior of J SC with varying light intensities ( I ) was also investigated using experimental data and linear fit with the power law as shown in Equation (), where α is the fitting parameter. [ 12,88–91 ] J SC I α …”
Section: Resultsmentioning
confidence: 99%
“…[67,86,87] Similarly, the behavior of J SC with varying light intensities (I) was also investigated using experimental data and linear fit with the power law as shown in Equation ( 2), where α is the fitting parameter. [12,[88][89][90][91] J SC ∝ I α…”
Section: Active Area Intensitymentioning
confidence: 99%