Advanced Science·· 17 小时前精选AI 评分58
氨基酸盐多组分晶体实现12.9 V力致开路电压，超过商用陶瓷圆片
Piezoelectric Amino Acid Salts with Halogen‐Based Coformers Produce Exceptional Force‐Generated Voltage Output
AI 导读
研究用PFM和准静态压电测量确认了九种非中心对称氨基酸盐晶体的压电性，实测d33为7.8 pC/N，DFT预测的最大纵向压电系数为7.5 pC/N。多晶L-组氨酸三氟乙酸盐在环境机械激励下获得12.9 V开路电压，高于商用陶瓷圆片的约6 V。实测与计算结果吻合，使多组分晶体分子结构与宏观性能之间可以建立关联。
推荐理由
九种氨基酸盐多组分晶体的压电系数实测与DFT计算相互吻合，为可持续有机压电材料的结构设计提供了可对照的数据。
创新点
把卤素基共形成体引入氨基酸盐多组分晶体，并用实验与DFT对照在九种晶体上建立分子结构与压电性能的关联，多晶样品在环境机械激励下的开路电压超过商用陶瓷圆片。
图表、补充材料与最终表述以原文为准。阅读原文
来源：Advanced Science · doi.org
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