Design of Advanced Sensing Materials

该奖项授予格鲁吉亚理工学院的Jiri Janata和Miroslawa Josowicz教授，由化学系的分析和表面化学项目提供支持。聚苯胺和密切相关的聚（苯硫醚亚苯基胺）将被改性与非水的酸和/或金属簇，在努力微调这些导电聚合物的电子功函数。 以这种方式，由这些聚合物制成的气体传感器对特定气体分子具有更高的灵敏度和选择性。 一个donacity规模的相互作用，提出了相关的气体/聚合物的相互作用与聚合物的功函数，更可预测的传感器性能的目标。 此外，电化学分子印迹技术也在探索传感器的制备方法，化学传感阵列可以由导电聚合物基质制备。 然而，灵敏度，选择性，鲁棒性和与固态制造工艺的兼容性仍然是未解决的问题。 在这项工作中，基本的方法调整聚合物基体的选择性将被探索沿着与一个新的战略制造。

This award to Professors Jiri Janata and Miroslawa Josowicz of the Georgia Institute of Technology is supported by the Analytical and Surface Chemistry Program in the Chemistry Division. Polyanaline and the closely related poly(phenylene sulfidephenyleneamine) are to be modified with non-aqeuous acids and/or metal clusters in an effort to finely adjust the electronic work functions of these electrically conducting polymers. In this way, gas sensors made from these polymers are to have greater sensitivity and selectivity to specific gas molecules. A donacity scale of interactions is proposed to correlate gas/polymer interactions with the polymer work function, with the goal of more predictable sensor performance. In addition, sensor fabrication methods are to be explored with a electrochemical molecular imprinting technique.Chemical sensing arrays can be prepared from a matrix of electrically conducting polymers. However, sensitivity, selectivity, robustness, and compatibility with solid-state fabrication processes remain as unresolved issues. In this work, fundamental methods for tuning the selectivity of a polymer matrix will be explored along with a new strategy for fabrication.