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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2506.09957 |
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| _version_ | 1866915337695395840 |
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| author | Ranjan, Anand Dev Mahapatra, Dhananjay Mitra, Partha Banerjee, Ayan |
| author_facet | Ranjan, Anand Dev Mahapatra, Dhananjay Mitra, Partha Banerjee, Ayan |
| contents | The pursuit of green methodologies for fabricating optoelectronic devices necessitates the adoption of self-assembly-based strategies to engineer efficient and sustainable platforms. Microbubble lithography (MBL) stands out as a directed self-assembly technique, enabling real-time micropatterning of conductive structures. Notably, this approach achieves significant enhancements in the conductivity of patterned polymers without requiring external dopants. However, the underlying mechanisms driving this enhancement remain poorly understood. In this study, we address this knowledge gap through a combined theoretical and experimental investigation of a binary polymer system. Molecular dynamics simulations and percolation theory reveal structural transformations that underpin improved charge transport. Furthermore, we demonstrate that phase separation at the interfaces of interacting polymers plays a pivotal role in enhancing conductivity. This separation optimizes the conformational states of the polymers, facilitating more efficient charge carrier transport and ultimately leading to higher conductivity. Our findings establish MBL-induced self-assembly as a robust and sustainable technique for fabricating conductive patterns, paving the way for its integration into next-generation optoelectronic devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_09957 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Mechanism of Conductivity Enhancement of Polymers Employing Microbubble Lithography Ranjan, Anand Dev Mahapatra, Dhananjay Mitra, Partha Banerjee, Ayan Applied Physics The pursuit of green methodologies for fabricating optoelectronic devices necessitates the adoption of self-assembly-based strategies to engineer efficient and sustainable platforms. Microbubble lithography (MBL) stands out as a directed self-assembly technique, enabling real-time micropatterning of conductive structures. Notably, this approach achieves significant enhancements in the conductivity of patterned polymers without requiring external dopants. However, the underlying mechanisms driving this enhancement remain poorly understood. In this study, we address this knowledge gap through a combined theoretical and experimental investigation of a binary polymer system. Molecular dynamics simulations and percolation theory reveal structural transformations that underpin improved charge transport. Furthermore, we demonstrate that phase separation at the interfaces of interacting polymers plays a pivotal role in enhancing conductivity. This separation optimizes the conformational states of the polymers, facilitating more efficient charge carrier transport and ultimately leading to higher conductivity. Our findings establish MBL-induced self-assembly as a robust and sustainable technique for fabricating conductive patterns, paving the way for its integration into next-generation optoelectronic devices. |
| title | Mechanism of Conductivity Enhancement of Polymers Employing Microbubble Lithography |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2506.09957 |