1. Supporting Information of
Synthesis of water dispersible fluorescent carbon nanocrystals from Syzygium cumini fruits for the detection of Fe3+ ion in water and biological samples and imaging of Fusarium avenaceum cells
Jigna R. Bhamorea, Sanjay Jhab Rakesh Kumar Singhalc and Suresh Kumar Kailasaa*
aDepartment of Applied Chemistry, S. V. National Institute of Technology, Surat , India
bGujarat Agricultural Biotechnology Institute, Navsari Agricultural University, Surat , India
cAnalytical Chemistry Division, Bhabha Atomic Research Center, Trombay, Mumbai , India
*Corresponding author, Phone: ; Fax:
Figure S1. Fluorescence emission spectra of carbon NCs synthesized at different temperature ranging from 90 oC to 180 oC using Syzygium cumini fruits as carbon source.

2. Figure S2. Fluorescence emission spectra of carbon NCs synthesized at 180 oC at different time intervals from 3 to 12 h.

3. Figure S3. Fluorescence emission spectra of carbon NCs dialysis at different time intervals from 0 to 24 h at 438 nm.

4. O-H
stretching
C-H
C=O
bending
C-N
Figure S4. FT-IR spectrum of the fluorescent carbon NCs synthesized from Syzygium cumini.

5. Figure S5. Fluorescence emission spectra of carbon NCs at 438 nm with Fe3+ ion at different pH (5.0, 7.4 and 9.2).

6. Figure S6. Fluorescence emission spectra of carbon NCs with Fe3+ ion in the presence of various interfering chemical species (metal ions - Na+, K+, Br2+, Ca2+,Cu2+, Zn2+, Hg2+, Ni2+, Fe2+, Al3+ ; anions - Cl-, Br-, I- , F- , SO42- ,S2- , PO43- Cr2O72- and pesticides - isoproturon, chlorpropham, metalasyl, chlorpyrifos, dichlorovs and tebuconazole, 100 µM).