Polymeric precision doping as an emerging technology for the downscaling of microelectronic devices: State of the art

Chiarcos, Riccardo; Laus, Michele; Perego, Michele

doi:10.1016/j.eurpolymj.2024.112849

European Polymer Journal

2024

DOI: 10.1016/j.eurpolymj.2024.112849

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Polymeric precision doping as an emerging technology for the downscaling of microelectronic devices: State of the art

Riccardo Chiarcos,

Michele Laus,

Michele Perego

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2024

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Cited by 3 publications

References 90 publications

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Copolymerization of CO₂ and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO₂‐Containing Macromonomers and Macroinitiators

Chiarcos,

Sparnacci,

Antonioli

et al. 2024

Macro Chemistry & Physics

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One possible way to store the excess CO2 present in atmosphere is to use it as a reagent for the synthesis of commodities. In particular, CO2 and epoxides can be copolymerized to produce a large variety of polycarbonates which appear very promising in various application fields. Further, the addition of an appropriate transfer agent in the reaction mixture promotes the formation of telechelic polycarbonates which can be used where specific functional polymers are necessary. In this work, (hydroxyethyl) methacrylate and 2‐hydroxyethyl‐2‐bromoisobutyrate species are exploited as transfer agents in the copolymerization of CO2 and cyclohexene oxide, in the presence of a macrocyclic phenolate dimagnesium catalyst. The effect of the transfer agent concentration on the polycarbonate characteristics is evaluated. Finally, the obtained telechelic polycarbonates are used as macromonomers and macroinitiators in the synthesis of statistical and block copolymers.

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Copolymerization of CO₂ and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO₂‐Containing Macromonomers and Macroinitiators

Chiarcos,

Sparnacci,

Antonioli

et al. 2024

Macro Chemistry & Physics

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Polystyrene Brush Evolution by Grafting to Reaction on Deglazed and Not‐Deglazed Silicon Substrates

Ivaldi,

Ospina Guarin,

Antonioli

et al. 2024

Macromol. Rapid Commun.

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Two model substrates for the grafting to reaction are considered: not‐deglazed silicon, whose surface is coated by a thin oxide layer with reactive silanol groups on its surface; and deglazed silicon, where the oxide layer is removed by treatment with hydrofluoric acid. The reactive polymers are hydroxy‐terminated polystyrenes with molecular weights ranging from 3.9 to 13.9 kg mol⁻1. The grafting to reaction is carried out at different temperatures and for different periods of time on the two different substrates. The thickness and the thermal stability of the resulting brushes are evaluated. Furthermore, the grafting of a highly dispersed system is simulated by blending two polymers with different molecular weights. Although the brush thickness growth is found to be faster on deglazed silicon, the preferential grafting of short chains occurs with equal chain selection propensity on both substrates.

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Donor incomplete ionization and mobility enhancement in ultra-thin silicon-on-insulator films doped by phosphorus end-terminated polymers

Pulici,

Kuschlan,

Seguini

et al. 2024

J. Mater. Chem. C

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Polymeric precision doping as an emerging technology for the downscaling of microelectronic devices: State of the art

Cited by 3 publications

References 90 publications

Copolymerization of CO₂ and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO₂‐Containing Macromonomers and Macroinitiators

Copolymerization of CO₂ and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO₂‐Containing Macromonomers and Macroinitiators

Polystyrene Brush Evolution by Grafting to Reaction on Deglazed and Not‐Deglazed Silicon Substrates

Donor incomplete ionization and mobility enhancement in ultra-thin silicon-on-insulator films doped by phosphorus end-terminated polymers

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Polymeric precision doping as an emerging technology for the downscaling of microelectronic devices: State of the art

Cited by 3 publications

References 90 publications

Copolymerization of CO2 and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO2‐Containing Macromonomers and Macroinitiators

Copolymerization of CO2 and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO2‐Containing Macromonomers and Macroinitiators

Polystyrene Brush Evolution by Grafting to Reaction on Deglazed and Not‐Deglazed Silicon Substrates

Donor incomplete ionization and mobility enhancement in ultra-thin silicon-on-insulator films doped by phosphorus end-terminated polymers

Contact Info

Product

Resources

About

Copolymerization of CO₂ and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO₂‐Containing Macromonomers and Macroinitiators

Copolymerization of CO₂ and Cyclohexene Oxide in the Presence of Functional Transfer Agents Provides Telechelic Polycarbonates: Synthesis of CO₂‐Containing Macromonomers and Macroinitiators