24
2 Synthesis of Quantum Dots
centrifuged for 30 min at 5000 rpm and the upper half of the supernatant was collected.
After centrifugation for 2–4 times, the mixture was transparent and the ultra-small
MoS 2 quantum dots distributed in NMP were prepared. In order to improve the
electrochemical performance, the subminiature MoS 2 QDs were used as the surface
sensitizer (Xu et al. 2016). Herein Xu’s group (Song et al. 2017) tried to bring
MoS 2 QDs and LTO together through a facile assembly technique, the Li 4 Ti 5 O 12
(LTO)/MoS 2 composite was synthesized by anchoring 2D LTO nanosheets with
ultra-small MoS 2 QDs.
2.3.3 Concentration Gradient Method
Due to the abundance of iodine in the ocean, iodine is a low-cost alternative to
renewable energy storage devices. Iodine easily dissolves the solution. Gong and coworkers synthesized free-standing iodine QDs (IQDs) decorated on reduced graphene
oxide (IQDs@RGO) by a new and facile “concentration gradient” two-step method
(Fig. 2.3b). The FE-SEM and TEM images (Fig. 2.3c, d) reveal an average diameter
≈6 nm for the IQDs and demonstrated that IQDs were homogeneously dispersed on
and adhered strongly to the RGO (Fig. 2.3e) (Gong et al. 2016).
References
Abdolmohammad-Zadeh H, Rahimpour E (2016) A novel chemosensor based on graphitic carbon
nitride quantum dots and potassium ferricyanide chemiluminescence system for Hg (II) ion
detection. Sens Actuators B: Chem 225:258–266
Ananthanarayanan A, Wang X, Routh P, Sana B, Lim S, Kim D-H, Lim K-H, Li J, Chen P (2014)
Facile synthesis of graphene quantum dots from 3D graphene and their application for Fe 3+
sensing. Adv Func Mater 24(20):3021–3026
Baker SN, Baker GA (2010) Luminescent carbon nanodots: emergent nanolights. Angew Chem Int
Ed 49(38):6726–6744
Beheshtian J, Tabar MB, Bagheri Z, Peyghan AA (2013) Exohedral and endohedral adsorption of
alkaline earth cations in BN nanocluster. J Mol Model 19(3):1445–1450
Bonaccorso F, Colombo L, Yu G, Stoller M, Tozzini V, Ferrari AC, Ruoff RS, Pellegrini V
(2015) Graphene, related two-dimensional crystals, and hybrid systems for energy conversion
and storage. Science 347(6217):1246501
Bourlinos AB, Stassinopoulos A, Anglos A, Anastasiadis SH, Zboril R, Karakassides M, Giannelis
EP (2008) Surface functionalized carbogenic quantum dots. In: APS meeting, pp 455–458
Buzaglo M, Shtein M, Regev O (2016) Graphene quantum dots produced by microfluidization.
Chem Mater 28(1):21–24
Chao D, Zhu C, Xia X, Liu J, Xiao Z, Jin W, Pei L, Lin J, Hua Z, Shen Z (2015) Graphene quantum
dots coated VO 2 arrays for highly durable electrodes for Li and Na ion batteries. Nano Lett
15(1):565
Chen Q, Hu Y, Hu C, Cheng H, Zhang Z, Shao H, Qu L (2014) Graphene quantum dots-threedimensional graphene composites for high-performance supercapacitors. Phys Chem Chem Phys
16(36):19307–19313
2 Synthesis of Quantum Dots
centrifuged for 30 min at 5000 rpm and the upper half of the supernatant was collected.
After centrifugation for 2–4 times, the mixture was transparent and the ultra-small
MoS 2 quantum dots distributed in NMP were prepared. In order to improve the
electrochemical performance, the subminiature MoS 2 QDs were used as the surface
sensitizer (Xu et al. 2016). Herein Xu’s group (Song et al. 2017) tried to bring
MoS 2 QDs and LTO together through a facile assembly technique, the Li 4 Ti 5 O 12
(LTO)/MoS 2 composite was synthesized by anchoring 2D LTO nanosheets with
ultra-small MoS 2 QDs.
2.3.3 Concentration Gradient Method
Due to the abundance of iodine in the ocean, iodine is a low-cost alternative to
renewable energy storage devices. Iodine easily dissolves the solution. Gong and coworkers synthesized free-standing iodine QDs (IQDs) decorated on reduced graphene
oxide (IQDs@RGO) by a new and facile “concentration gradient” two-step method
(Fig. 2.3b). The FE-SEM and TEM images (Fig. 2.3c, d) reveal an average diameter
≈6 nm for the IQDs and demonstrated that IQDs were homogeneously dispersed on
and adhered strongly to the RGO (Fig. 2.3e) (Gong et al. 2016).
References
Abdolmohammad-Zadeh H, Rahimpour E (2016) A novel chemosensor based on graphitic carbon
nitride quantum dots and potassium ferricyanide chemiluminescence system for Hg (II) ion
detection. Sens Actuators B: Chem 225:258–266
Ananthanarayanan A, Wang X, Routh P, Sana B, Lim S, Kim D-H, Lim K-H, Li J, Chen P (2014)
Facile synthesis of graphene quantum dots from 3D graphene and their application for Fe 3+
sensing. Adv Func Mater 24(20):3021–3026
Baker SN, Baker GA (2010) Luminescent carbon nanodots: emergent nanolights. Angew Chem Int
Ed 49(38):6726–6744
Beheshtian J, Tabar MB, Bagheri Z, Peyghan AA (2013) Exohedral and endohedral adsorption of
alkaline earth cations in BN nanocluster. J Mol Model 19(3):1445–1450
Bonaccorso F, Colombo L, Yu G, Stoller M, Tozzini V, Ferrari AC, Ruoff RS, Pellegrini V
(2015) Graphene, related two-dimensional crystals, and hybrid systems for energy conversion
and storage. Science 347(6217):1246501
Bourlinos AB, Stassinopoulos A, Anglos A, Anastasiadis SH, Zboril R, Karakassides M, Giannelis
EP (2008) Surface functionalized carbogenic quantum dots. In: APS meeting, pp 455–458
Buzaglo M, Shtein M, Regev O (2016) Graphene quantum dots produced by microfluidization.
Chem Mater 28(1):21–24
Chao D, Zhu C, Xia X, Liu J, Xiao Z, Jin W, Pei L, Lin J, Hua Z, Shen Z (2015) Graphene quantum
dots coated VO 2 arrays for highly durable electrodes for Li and Na ion batteries. Nano Lett
15(1):565
Chen Q, Hu Y, Hu C, Cheng H, Zhang Z, Shao H, Qu L (2014) Graphene quantum dots-threedimensional graphene composites for high-performance supercapacitors. Phys Chem Chem Phys
16(36):19307–19313