Nilotpal Deka, , , Supriya Sahoo, , , Vikash Kushwaha, , , Jan K. Zaręba*, , and , Ramamoorthy Boomishankar*,
{"title":"高电致伸缩a2bx4型混合二维钙钛矿铁电体及其压电纳米发电机在无线垫传感器技术中的应用","authors":"Nilotpal Deka, , , Supriya Sahoo, , , Vikash Kushwaha, , , Jan K. Zaręba*, , and , Ramamoorthy Boomishankar*, ","doi":"10.1021/acsmaterialslett.5c00713","DOIUrl":null,"url":null,"abstract":"<p >The quasi-spherical theory and ligand halogenation have emerged as effective strategies for promoting polar noncentrosymmetric structures with potential ferroelectric properties. Here, we report a novel two-dimensional (2D) hybrid organic–inorganic perovskite, <b>[</b><i>p</i><b>-ClBnNH</b><sub><b>3</b></sub><b>]</b><sub><b>2</b></sub><b>CdBr</b><sub><b>4</b></sub>, in the polar orthorhombic <i>Ccc</i>2 space group. The structural noncentrosymmetry was confirmed via second harmonic generation (SHG) measurements. Polarization-electric field (<i>P–E</i>) hysteresis measurements revealed a saturation polarization (<i>P</i><sub>s</sub>) of 1.28 μC cm<sup>–2</sup> at room temperature. Furthermore, it exhibits a high electrostrictive coefficient (<i>Q</i><sub>33</sub>) of 3.6 m<sup>4</sup> C<sup>–2</sup>, surpassing those observed in traditional ferroelectrics. For energy harvesting applications, composite films were fabricated by embedding <b>[</b><i>p</i><b>-ClBnNH</b><sub><b>3</b></sub><b>]</b><sub><b>2</b></sub><b>CdBr</b><sub><b>4</b></sub> in thermoplastic polyurethane (TPU) matrix. The 10 wt % device yielded a piezoelectric nanogenerator (PENG) output voltage of 20.0 V and a power density of 67.6 μW cm<sup>–2</sup>. A prototype “mat-sensor”, which is a scalable smart force sensor, was developed, demonstrating rapid response and wireless functionality for real-time applications, including security systems.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 10","pages":"3380–3387"},"PeriodicalIF":8.7000,"publicationDate":"2025-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acsmaterialslett.5c00713","citationCount":"0","resultStr":"{\"title\":\"A Highly Electrostrictive A2BX4-Type Hybrid 2D Perovskite Ferroelectric and the Utility of Its Piezoelectric Nanogenerator in Wireless Mat-Sensor Technology\",\"authors\":\"Nilotpal Deka, , , Supriya Sahoo, , , Vikash Kushwaha, , , Jan K. Zaręba*, , and , Ramamoorthy Boomishankar*, \",\"doi\":\"10.1021/acsmaterialslett.5c00713\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >The quasi-spherical theory and ligand halogenation have emerged as effective strategies for promoting polar noncentrosymmetric structures with potential ferroelectric properties. Here, we report a novel two-dimensional (2D) hybrid organic–inorganic perovskite, <b>[</b><i>p</i><b>-ClBnNH</b><sub><b>3</b></sub><b>]</b><sub><b>2</b></sub><b>CdBr</b><sub><b>4</b></sub>, in the polar orthorhombic <i>Ccc</i>2 space group. The structural noncentrosymmetry was confirmed via second harmonic generation (SHG) measurements. Polarization-electric field (<i>P–E</i>) hysteresis measurements revealed a saturation polarization (<i>P</i><sub>s</sub>) of 1.28 μC cm<sup>–2</sup> at room temperature. Furthermore, it exhibits a high electrostrictive coefficient (<i>Q</i><sub>33</sub>) of 3.6 m<sup>4</sup> C<sup>–2</sup>, surpassing those observed in traditional ferroelectrics. For energy harvesting applications, composite films were fabricated by embedding <b>[</b><i>p</i><b>-ClBnNH</b><sub><b>3</b></sub><b>]</b><sub><b>2</b></sub><b>CdBr</b><sub><b>4</b></sub> in thermoplastic polyurethane (TPU) matrix. The 10 wt % device yielded a piezoelectric nanogenerator (PENG) output voltage of 20.0 V and a power density of 67.6 μW cm<sup>–2</sup>. A prototype “mat-sensor”, which is a scalable smart force sensor, was developed, demonstrating rapid response and wireless functionality for real-time applications, including security systems.</p>\",\"PeriodicalId\":19,\"journal\":{\"name\":\"ACS Materials Letters\",\"volume\":\"7 10\",\"pages\":\"3380–3387\"},\"PeriodicalIF\":8.7000,\"publicationDate\":\"2025-09-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://pubs.acs.org/doi/pdf/10.1021/acsmaterialslett.5c00713\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACS Materials Letters\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.acs.org/doi/10.1021/acsmaterialslett.5c00713\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Materials Letters","FirstCategoryId":"92","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsmaterialslett.5c00713","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
A Highly Electrostrictive A2BX4-Type Hybrid 2D Perovskite Ferroelectric and the Utility of Its Piezoelectric Nanogenerator in Wireless Mat-Sensor Technology
The quasi-spherical theory and ligand halogenation have emerged as effective strategies for promoting polar noncentrosymmetric structures with potential ferroelectric properties. Here, we report a novel two-dimensional (2D) hybrid organic–inorganic perovskite, [p-ClBnNH3]2CdBr4, in the polar orthorhombic Ccc2 space group. The structural noncentrosymmetry was confirmed via second harmonic generation (SHG) measurements. Polarization-electric field (P–E) hysteresis measurements revealed a saturation polarization (Ps) of 1.28 μC cm–2 at room temperature. Furthermore, it exhibits a high electrostrictive coefficient (Q33) of 3.6 m4 C–2, surpassing those observed in traditional ferroelectrics. For energy harvesting applications, composite films were fabricated by embedding [p-ClBnNH3]2CdBr4 in thermoplastic polyurethane (TPU) matrix. The 10 wt % device yielded a piezoelectric nanogenerator (PENG) output voltage of 20.0 V and a power density of 67.6 μW cm–2. A prototype “mat-sensor”, which is a scalable smart force sensor, was developed, demonstrating rapid response and wireless functionality for real-time applications, including security systems.
期刊介绍：
ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
