Presentation Information

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[22p-A601-3]Improvement of NV center’s detection in detonation nanodiamond for biological applications

〇Nene Hariki¹, Frederick Tze Kit So^1,2, Masaya Nemoto¹, Masanori Fujiwara¹, Izuru Ohki^1,2, Naoya Morioka^1,3, Ming Liu⁴, Akihiko Tsurui⁴, Taro Yoshikawa⁴, Yuto Makino⁴, Masahiro Nishikawa⁴, Norikazu Mizuochi^1,3 (1.ICR, Kyoto Univ., 2.QST, 3.CSRN, Kyoto Univ., 4.Daicel Corp.)

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Keywords:

detonation nanodiamond,NV center,ODMR

Nitrogen-vacancy (NV) centers in nanodiamonds (NDs) have attracted attention as quantum sensors with high biocompatibility. Small NDs are particularly desirable for intracellular sensing, so we aimed to realize highly concentrated NV centers in NDs by detonation method that can synthesize NDs with diameter <10 nm. We report that high concentration of NV centers in DNDs were obtained without electron irradiation or annealing treatment, only with our original detonation method and 72 hours boiling acid treatment.

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