인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Spin-based sensors have attracted considerable attention owing to their high sensitivities. Herein, we developed a metallofullerene-based nano spin sensor to probe gas adsorption within porous organic frameworks. For this, spin-active metallofullerene, Sc<sub>3</sub>C<sub>2</sub>@C<sub>80,</sub> was selected and embedded into a nanopore of a pyrene-based covalent organic framework (Py-COF). Electron paramagnetic resonance (EPR) spectroscopy recorded the EPR signals of Sc<sub>3</sub>C<sub>2</sub>@C<sub>80</sub> within Py-COF after adsorbing N<sub>2</sub>, CO, CH<sub>4</sub>, CO<sub>2</sub>, C<sub>3</sub>H<sub>6</sub>, and C<sub>3</sub>H<sub>8</sub>. Results indicated that the regularly changing EPR signals of embedded Sc<sub>3</sub>C<sub>2</sub>@C<sub>80</sub> were associated with the gas adsorption performance of Py-COF. In contrast to traditional adsorption isotherm measurements, this implantable nano spin sensor could probe gas adsorption and desorption with in situ, real-time monitoring. The proposed nano spin sensor was also employed to probe the gas adsorption performance of a metal-organic framework (MOF-177), demonstrating its versatility. The nano spin sensor is thus applicable for quantum sensing and precision measurements.
#Adsorption
#Electron paramagnetic resonance
#Nano-
#Covalent organic framework
#Materials science
#Porosity
#Metallofullerene
#Spin probe
#Desorption
#Metal-organic framework
#Pyrene
#Nanopore
#Spin (aerodynamics)
#Nanotechnology
#Analytical Chemistry (journal)
#Chemical physics
#Chemistry
#Molecule
#Physical chemistry
#Nuclear magnetic resonance
#Organic chemistry
#Physics
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