Synergy of Block Copolymers and Perovskites: Template Growth through Self-Assembly

Li, Chongyuan; Rafique, Shazia; Zhan, Yiqiang

doi:10.1021/acs.jpclett.2c02983

Cited by 7 publications

(7 citation statements)

References 53 publications

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“…Moreover, the buffer layer can form low‐dimensional contact with perovskite to promote the grain growth or act as a template to promote the subsequent deposition of perovskite. [ 153 ] Polymers are an excellent choice for regulating the burial interface to improve the performance of PSCs.…”

Section: Development Of Polymers In Pscsmentioning

confidence: 99%

Polymer Boosts High Performance Perovskite Solar Cells: A Review

Ma,

Ge,

Jen

et al. 2023

Advanced Optical Materials

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Perovskite solar cells (PSCs) with excellent photoelectric properties have attracted much attention in recent years. However, the solution manufacturing of PSCs inevitably introduces a large number of defects (both bulk and surface defects), which seriously affect the performance of PSCs. Defect passivation from additive engineering is an effective and simple strategy. Among these additives, polymers are increasingly attracting attention due to their excellent properties, such as adjustable structures, multiple functional groups, excellent stability, and low cost, which can further promote the commercialization of PSC technology. However, the application of polymers in PSCs have encountered some obstacles due to a lack of systematic studies, such as unelucidated interactions between polymers and perovskites, the frequent trial‐and‐error process used in material selection, and the lack of effective guidelines. In this review, the application of polymers in various layers of PSCs devices is first summarized. Then, three main roles of polymers in PSCs are summarized, including crystallization regulation, the mechanical stability enhancement of flexible perovskite solar cells (FPSCs), and their use as undoped hole transport materials (HTMs). More importantly, machine learning (ML) is proposed to design and select polymers as passivators and HTMs for PSCs. Finally, promising guidelines and recommendations are provided for the commercialization of PSCs.

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Section: Development Of Polymers In Pscsmentioning

confidence: 99%

Polymer Boosts High Performance Perovskite Solar Cells: A Review

Ma,

Ge,

Jen

et al. 2023

Advanced Optical Materials

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“…Tremendous progress has been made in the controllable synthesis of colloidal polymers such as dendrimer, [27,28] block copolymer micelle, [29][30][31][32] star-like polymer, [33][34][35][36] bottlebrush polymer, [37][38][39][40] microgels, [41][42][43] and single-chain nanoparticle, [44][45][46][47] allowing access to a library of inorganic nanocrystals with superior control over physicochemical properties. Recent reviews on the subject targeted inorganic nanocrystals templated by block copolymer nanoreactors, [17][18][19][20] Figure 1. Overview of colloidal polymers for the templated formation of inorganic nanocrystals with controllable properties and their emerging applications.…”

Section: Introductionmentioning

confidence: 99%

Colloidal Polymer‐Templated Formation of Inorganic Nanocrystals and their Emerging Applications

Chen

Qiu

Peng

et al. 2023

Small

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Inorganic nanocrystals possess unique physicochemical properties compared to their bulk counterparts. Stabilizing agents are commonly used for the preparation of inorganic nanocrystals with controllable properties. Particularly, colloidal polymers have emerged as general and robust templates for in situ formation and confinement of inorganic nanocrystals. In addition to templating and stabilizing inorganic nanocrystals, colloidal polymers can tailor their physicochemical properties such as size, shape, structure, composition, surface chemistry, and so on. By incorporating functional groups into colloidal polymers, desired functions can be integrated with inorganic nanocrystals, advancing their potential applications. Here, recent advances in the colloidal polymer‐templated formation of inorganic nanocrystals are reviewed. Seven types of colloidal polymers, including dendrimer, polymer micelle, stare‐like block polymer, bottlebrush polymer, spherical polyelectrolyte brush, microgel, and single‐chain nanoparticle, have been extensively applied for the synthesis of inorganic nanocrystals. Different strategies for the development of these colloidal polymer‐templated inorganic nanocrystals are summarized. Then, their emerging applications in the fields of catalysis, biomedicine, solar cells, sensing, light‐emitting diodes, and lithium‐ion batteries are highlighted. Last, the remaining issues and future directions are discussed. This review will stimulate the development and application of colloidal polymer‐templated inorganic nanocrystals.

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“…The irreversibility of the transition can be switched off by the addition of ferrous ions, leading to colloidal Prussian blue hybrids, 8,37−40 similar to the entrapment of perovskites in block copolymers. 41 These effects might represent a quick, adaptable, and cheap method to monitor temperature for storage and transport purposes (the ingredients water, poloxamer, ferricyanide, and DMAEMA are rather inexpensive). Our method fits into the line of recent reports on sensors for temperature 42 or food freshness.…”

Section: Introductionmentioning

confidence: 99%

“…Compared to permanently hydrophobic end blocks, the preparation of the initial micellar dispersion is easily achieved by simple mixing of the components in cold water (without the need for a gradual change of solvent selectivity). The irreversibility of the transition can be switched off by the addition of ferrous ions, leading to colloidal Prussian blue hybrids, ,− similar to the entrapment of perovskites in block copolymers . These effects might represent a quick, adaptable, and cheap method to monitor temperature for storage and transport purposes (the ingredients water, poloxamer, ferricyanide, and DMAEMA are rather inexpensive).…”

Section: Introductionmentioning

confidence: 99%

Nonequilibrium Colloids: Temperature-Induced Bouquet Formation of Flower-like Micelles as a Time-Domain-Shifting Macromolecular Heat Alert

Prasser,

Fuhs,

Torger

et al. 2023

ACS Appl. Mater. Interfaces

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Climate change requires enhanced autonomous temperature monitoring during logistics/transport. A cheap approach comprises the use of temperature-sensitive copolymers that undergo temperature-induced irreversible coagulation. The synthesis/characterization of pentablock copolymers (PBCP) starting from poloxamer PEO130-b-PPO44-b-PEO130 (poly(ethylene oxide)130-b-poly(propylene oxide)44-b-poly(ethylene oxide)130) and adding two terminal qPDMAEMA85 (quaternized poly[(2-dimethylamino)ethyl methacrylate]85) blocks is presented. Mixing of PBCP solutions with hexacyanoferrate(III)/ferricyanide solutions leads to a reduction of the decane/water interfacial tension accompanied by a co/self-assembly toward flower-like micelles in cold water because of the formation of an insoluble/hydrophobic qPDMAEMA/ferricyanide complex. In cold water, the PEO/PPO blocks provide colloidal stability over months. In hot water, the temperature-responsive PPO block is dehydrated, leading to a pronounced temperature dependence of the oil–water interfacial tension. In solution, the sticky PPO segments exposed at the micellar corona cause a colloidal clustering above a certain threshold temperature, which follows Smoluchowski-type kinetics. This coagulation remains for months even after cooling, indicating the presence of a kinetically trapped nonequilibrium state for at least one of the observed micellar structures. Therefore, the system memorizes a previous suffering of heat. This phenomenon is linked to an exchange of qPDMAEMA-blocks bridging the micellar cores after PPO-induced clustering. The addition of ferrous ions hampers the exchange, leading to the reversible coagulation of Prussian blue loaded micelles. Hence, the Fe2+ addition causes a shift from history monitoring to the sensing of the present temperature. Presumably, the system can be adapted for different temperatures in order to monitor transport and storage in a simple way. Hence, these polymeric “flowers” could contribute to preventing waste and sustaining the quality of goods (e.g., food) by temperature-induced bouquet formation, where an irreversible exchange of “tentacles” between the flowers stabilizes the bouquet at other temperatures as well.

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Synergy of Block Copolymers and Perovskites: Template Growth through Self-Assembly

Cited by 7 publications

References 53 publications

Polymer Boosts High Performance Perovskite Solar Cells: A Review

Polymer Boosts High Performance Perovskite Solar Cells: A Review

Colloidal Polymer‐Templated Formation of Inorganic Nanocrystals and their Emerging Applications

Nonequilibrium Colloids: Temperature-Induced Bouquet Formation of Flower-like Micelles as a Time-Domain-Shifting Macromolecular Heat Alert

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