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Updated: Jan 30, 2026

On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature
Published on: March 11, 2022
Self-Assembled Fullerene Crystals as Excellent Aromatic Vapor Sensors
Natsumi Furuuchi1, Rekha Goswami Shrestha2, Yuji Yamashita3
1Graduate School of Pharmaceutical Science, Chiba Institute of Science, 15-8 Shiomi-cho, Choshi-shi, Chiba 288-0025, Japan. pm16p04@cis.ac.jp.
Abstract:
Here we report the aromatic vapor sensing performance of bitter melon shaped nanoporous fullerene C60 crystals that are self-assembled at a liquid-liquid interface between isopropyl alcohol and C60 solution in dodecylbenzene at 25 °C. Average length and center diameter of the crystals were ca. 10 μm and ~2 μm, respectively. Powder X-ray diffraction pattern (pXRD) confirmed a face-centered cubic (fcc) structure with cell dimension ca. a = 1.4272 nm, and V = 2.907 nm³, which is similar to that of the pristine fullerene C60. Transmission electron microscopy (TEM) confirmed the presence of a nanoporous structure. Quartz crystal microbalance (QCM) results showed that the bitter melon shaped nanoporous C60 performs as an excellent sensing system, particularly for aromatic vapors, due to their easy diffusion through the porous architecture and strong π⁻π interactions with the sp²-carbon.
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