金屬有機骨架 (Metal−Organic Frameworks, MOFs)是近二十多年來興起的一系列孔洞材料，其特點包括高比表面積、互通的孔洞結構及多變化的結構可調性。由於MOF擁有比其他材料更高的活性位點密度及互通孔洞結構，因此在催化、電化學感測、電化學儲能等等應用上都具有相當大的潛力，可在電極表面提供高密度的活性位點。然而，將MOF作為電極的修飾層時，必須考慮MOF在電解液中的穩定性問題。由於大多數MOF在水相電解液中並不穩定，所以此篇碩士論文嘗試使用以鋯金屬簇作為節點的MOF，以確保MOF在中性及酸性中皆能維持孔洞結構。
除了穩定性問題，MOF在電化學應用中的另一個困境是MOF的導電度通常不高，這將導致電子無法有效到達每個活性位點，進而無法發揮MOF具有多活性位點的優勢。因此，此篇碩士論文嘗試使用導電高分子與MOF形成複合材料，並應用於電化學感測與電化學儲能。
在電化學感測部份，選擇了以卟啉為連接器的MOF與導電高分子Poly(3,4-ethylenedioxythiophene) (PEDOT)，並透過選擇不同的複合材料合成方式，得到了三種不同導電高分子在MOF中的情況，分別是導電高分子僅在MOF顆粒間、導電高分子僅於MOF孔洞內部與導電高分子同時存在於MOF的孔洞內及顆粒間，所有材料的顆粒形貌、結晶度、孔隙度與電化學行為皆被探討。並從電化學感測亞硝酸鹽的結果可以得知透過將導電高分子選擇性限制於孔洞內後，可以在提高靈敏度的情況下，同時抑制導電高分子的非法拉第電流，在有比原先MOF有更高的靈敏度與比導電高分子更小的雜訊的情況下，從而得到相比於其他對照組都還要來得更低的感測極限。
而在電化學儲能的部分則是選擇了極具潛力的導電高分子Polyaniline (PANI)和後修飾磺酸官能基後的二維MOF－ZrBTB-SO3，從過去研究發現到帶有負電磺酸根的材料可在帶正電苯胺的聚合環境中透過靜電吸引力分散苯胺的聚合，因此在此處使用了ZrBTB-SO3扮演著PANI分散劑的角色，分散PANI於MOF之上，所有材料的表面形貌、結晶度、孔隙度與電化學行為皆被探討。並從電化學的測試結果發現到，透過添加適當的MOF可以有效提高導電高分子的比電容量，最佳化條件下的PANI@ZrBTB-SO3 (1:1.5)有著515 F/g的比電容值，相比於原先的PANI的230 F/g有著兩倍多的提升效果。兩項研究成果展示了高水穩定性的鋯基MOF與導電高分子形成的複合材料的發展可能性，並提供了關於此類型複合材料的設計想法。

This thesis investigates the electrochemical application of composites containing metal−organic frameworks (MOFs) and conducting polymers. The first section involves the confinement of poly (3,4-ethylenedioxythiophene) (PEDOT) within the pore of NU-902, designated as PEDOT/NU-902, with a focus on its potential application in nitrite sensors. Results demonstrate that PEDOT/NU-902 exhibits reduced noise levels in comparison to PEDOT, PEDOT/NU-902-physical blends, and PEDOT/NU-902-no PSS. The confinement of PEDOT within NU-902 pores proves effective in noise suppression, leading to the attainment of the smallest limit of detection.
In the second section, a sulfonate-functionalized two-dimensional MOF is employed as a dispersant for polyaniline, a conducting polymer utilized in energy storage devices. This approach enhances the electrochemical performance of polyaniline by reducing aggregation. Through the optimization of the ratio between MOF and conducting polymer, the composite achieves the highest specific capacitance across various charge-discharge current densities, showing its potential for energy storage applications. Both studies underscore the versatility of MOFs in augmenting the properties of conducting polymers for diverse applications, ranging from electrocatalytic sensors to energy storage application. These findings provide valuable insights into the design of advanced materials with enhanced performance characteristics.

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