Sulfonate-modified fullerenes mimicking tentacle structures for humidity sensors.
Sulfonate-modified fullerenes mimicking tentacle structures for humidity sensors.
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DOI：
10.1016/j.jcis.2024.02.024
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发表时间：
2024-02
影响因子：
9.9
通讯作者：
Yuying Chen;Huimin Wu;Fei Jin;Hong-liang Ge;Feng Gao;Qiong Wu;Song Wang;Ying Wang;
中科院分区：
文献类型：
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作者：
Yuying Chen;Huimin Wu;Fei Jin;Hong-liang Ge;Feng Gao;Qiong Wu;Song Wang;Ying Wang;
在这项工作中，一个简单的方法合成的富勒烯衍生物与tensultants结构已被探索用于监测环境湿度，这涉及到引入磺酸到富勒烯。通过一系列的结构测试确定了三种富勒烯衍生物中极性基团的结构和数量极大地影响了它们的亲水性和形貌，从而导致湿敏性能的变化。特别地，传感器的滞后和响应时间显示出与亲水性的很大相关性。C60-Ho是这项工作中表现最好的衍生物，表现出高响应值（约3500次），良好的线性度（R2= 97.3%）和快速响应/恢复时间（0.3/4.4 s），使其适用于各种应用，如呼吸，手指距离和土壤湿度的非接触式检测。
In this work, a straightforward method for synthesizing fullerene derivatives with tentacle structures has been explored for monitoring environmental humidity, which involves introducing sulfonate onto the fullerenes. The structure and number of polar groups in three fullerene derivatives determined by a series of structural tests greatly affect their hydrophilicity and morphology, resulting in changes in humidity sensitive properties. In particular, the hysteresis and response time of the sensors display a great correlation with hydrophilicity. C60-Ho, the best performing derivative of this work, has exhibited high response values (∼3500 times), good linearity (R2= 97.3 %), and rapid response/recovery times (0.3/4.4 s), making it suitable for various applications such as non-contact detection of respiration, finger distance, and soil humidity.