Slip‐Stacked J‐Aggregate Materials for Organic Solar Cells and Photodetectors (Adv. Mater. 22/2022)

Kim, Jin Hong; Schembri, Tim; Bialas, David; Stolte, Matthias; Würthner, Frank

doi:10.1002/adma.202270169

Cited by 34 publications

(33 citation statements)

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“…On account of the relatively planar CS unit, two HEXPPA molecules exhibited a larger overlap in this unique stacking mode. Such stacking arrangement not only extends the effective conjugation length to increase the radiative rate, but also induces strong intermolecular interactions, which significantly suppresses the nonradiative paths [36, 37] . Meanwhile, the central phenyl rings in the crystal state also showed staggered stacking.…”

Section: Resultsmentioning

confidence: 97%

Monomer and Excimer Emission in a Conformational and Stacking‐Adaptable Molecular System

et al. 2022

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A design strategy that combines molecular conformation, alkyl chain length, and charge-transfer effects has been developed to obtain conformational and stacking-adaptable donor-acceptor-π type molecules for precisely regulating the monomer and excimer emission in a single luminous platform under different environments. These fluorophores can exhibit bright monomer emissions when they are in the dispersed state based on their planar conformation. However, when the luminous molecules with short alkyl side chains are in the crystalline state, their molecular conformation can become distorted, further inducing strong intermolecular interactions and staggered π-π stacking for bright excimer emission. More importantly, their dispersed and aggregated states can be reversibly regulated in a phasechange fatty acid matrix, to achieve temperatureresponsive fluorescence for temperature monitoring and advanced information encryption.

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Section: Resultsmentioning

confidence: 97%

Monomer and Excimer Emission in a Conformational and Stacking‐Adaptable Molecular System

et al. 2022

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“…2D). 20 The analysis of transmission electron microscopic (TEM) and field emission scanning electron microscopic (FESEM) images also revealed the formation of spherical NAs with diameters of 100-300 nm (Fig. S4A and B †).…”

Section: Biophysical Properties Of the Amphiphilementioning

confidence: 90%

A photo-responsive fluorescent amphiphile for target-specific and image-guided drug delivery applications

et al. 2022

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“…[ 192 ] For example, the bandgap of MOF Ru 2 (C 6 H 5 COO) 4 Cl doped by TCNQ is reduced from 0.625 eV down to 0.175 eV and slip‐stacked J‐Aggregate materials shows strong NIR narrow band response. [ 199,201 ]…”

Section: Applications and Prospectsmentioning

confidence: 99%

Recent Progress in 2D Inorganic/Organic Charge Transfer Heterojunction Photodetectors

Han

Wang

Han

et al. 2022

Adv Funct Materials

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2D materials possess superior optoelectronic properties, such as ultrahigh mobility and broadband photoresponse, making them one of the most vital platforms for diversified photodetectors. However, atomic thickness 2D materials usually suffer from intrinsic low absorption. To promote the photo detector performance, a feasible method is to integrate the 2D materials with lowcost, flexible, and tunable organics that form a charge transfer (CT) heterojunction. As results, indepth multifunctional CT 2Dinorganic/organic detector exhibits extended functions such as lowpower consumption, in memory detection, and opticalbio synapse to meet the demand of contem porary photonic cell. Particularly, the progresses in waferscale monocrystal of both 2D and organic materials render vast potential applications with operation frequencies ranging from ultraviolet to terahertz. Here, the recent advances of 2Dinorganic/organic CT photodetectors are comprehensively reviewed by several classifications. Future developments and applications in optical biology, synapsis, and machine vision are also highlighted.

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Slip‐Stacked J‐Aggregate Materials for Organic Solar Cells and Photodetectors (Adv. Mater. 22/2022)

Cited by 34 publications

References 0 publications

Monomer and Excimer Emission in a Conformational and Stacking‐Adaptable Molecular System

Monomer and Excimer Emission in a Conformational and Stacking‐Adaptable Molecular System

A photo-responsive fluorescent amphiphile for target-specific and image-guided drug delivery applications

Recent Progress in 2D Inorganic/Organic Charge Transfer Heterojunction Photodetectors

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