Highly Efficient Visible Blue-Emitting Black Phosphorus
Quantum Dot: Mussel-Inspired Surface Functionalization for Bioapplications
Posted on 2017-10-23 - 17:54
The preparation of
blue-emitting black phosphorus quantum dots
(BPQDs) is based on the liquid-phase exfoliation of bulk BP. We report
the synthesis of soluble BPQDs showing a strong visible blue-light
emission. Highly fluorescent (photoluminescence quantum yield of ≈5%
with the maximum emission (λmax) at ≈437 nm)
and dispersible BPQDs in various organic solvents are first prepared
by simple ultrasonication of BP crystals in chloroform in the ambient
atmosphere. Furthermore, simple mussel-inspired surface functionalization
of BPQDs with catechol-grafted poly(ethylene glycol) in basic buffer
afforded water-soluble blue-emitting BPQDs showing long-term fluorescence
stability, very low cytotoxicity, and excellent fluorescence live
cell imaging capability.
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Lee, Miyeon; Ho Park, Young; Kang, Eun Bi; Chae, Ari; Choi, Yujin; Jo, Seongho; et al. (2017). Highly Efficient Visible Blue-Emitting Black Phosphorus
Quantum Dot: Mussel-Inspired Surface Functionalization for Bioapplications. ACS Publications. Collection. https://doi.org/10.1021/acsomega.7b01058
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AUTHORS (15)
ML
Miyeon Lee
YH
Young Ho Park
EK
Eun Bi Kang
AC
Ari Chae
YC
Yujin Choi
SJ
Seongho Jo
YK
Yu Jin Kim
SP
Soo-Jin Park
BM
Byunggak Min
TA
Tae Kyu An
JL
Jihoon Lee
SI
Su-Il In
SK
Sang Youl Kim
SP
Sung Young Park
II
Insik In
KEYWORDS
mussel-inspired surface functionalizationfluorescence stabilityambient atmosphereBP crystalscell imaging capabilityblue-emitting BPQDsphosphorus quantum dotsblue-light emissiondispersible BPQDsbulk BPphotoluminescence quantumMussel-Inspired Surface Functionalizationliquid-phase exfoliationEfficient Visible Blue-Emitting Black Phosphorus Quantum Dot