Abstract
In recent years, functional electronic nanomaterials have made significant strides from advancements in the interplay of physics, chemistry, materials science, and computational research. However, synthetically tunable electronic materials are a long-standing, but elusive, technological goal. More recently, metal–organic frameworks (MOFs), a class of nanoporous, hybrid inorganic–organic crystalline solids, have garnered attention as a novel class of electronic nanomaterials. The aim of this perspective is to (i) highlight the charge transport behavior of recently discovered (2017–2019) electronic MOFs and (ii) recommend future directions for improvement of intrinsically and extrinsically conductive MOFs for MOF-based electronics.
Highlights
Nanomaterials, and computational research have enabled the development of functional electronic nanomaterials, achieving synthetically tunable electronic nanomaterials is a challenging technological goal
PXRD data show some minimal structural changes in the material at various temperatures, implying that this transition is not due to a change in the crystal structure. These results suggest that the behavior of this material is highly dependent on sample quality and environmental conditions
Since the late 2000s, the emergence of metal–organic frameworks (MOFs) as charge transport materials has advanced in strides due to over 80 seminal experimental and theoretical studies focused on the notion of MOF-based electronic schemes
Summary
Nanomaterials, and computational research have enabled the development of functional electronic nanomaterials, achieving synthetically tunable electronic nanomaterials is a challenging technological goal. Organic polymers offer chemical tunability and low-cost fabrication techniques such as roll-to-roll processing, but they have poor mobility due in part to disorder, and there are long-term stability issues While these materials dominate the landscape of the modern electronics industry, the future of innovation in electronics relies on the availability of novel hybrid materials and their processing and fabrication into devices. The unparalleled synthetic and chemical tunability of MOFs enables the formation of various pore sizes, guest–host interactions, and other physicochemical behavior. This high degree of modularity opens doors to potential applications in electronic devices for electrocatalysis, environmental sensors, high performance electrodes, and tunable electronics (Fig. 1). Excluded from this perspective are work on proton or ionic conductivity and in-depth discussions of work from prior to 2017, which are highlighted elsewhere.
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