Table 1 The results of PL emission and PLQY for five different N-additive combinations, including N-CNDs.

From: White carbon: Fluorescent carbon nanoparticles with tunable quantum yield in a reproducible green synthesis

λex = 340 nm

Pure EDTA

Pure Tris

EDTA + starch

Tris + starch

Starch in TAE 10X N-CND 1

TAE 10X N-CND 2

TAE 50X N-CND 2

PL emission [nm]

408

408

429

425

419

419

419

PLQY [%]

1

6

2

6

17

19

28

EDTA content [mg/mL]

2.93

2.93

2.93

2.93

2.93

Tris content [mg/mL]

48.5

48.5

48.5

48.5

242.5

Starch content [mg/mL]

48.5

48.5

0.14

  1. TAE-buffer: Tris-acetate-EDTA buffer, EDTA: ethylenediamine-tetraacetic acid, Tris: tris(hydroxymethyl)aminomethane; TAE 10X contains: acetic acid (200 mM), EDTA (10 mM) and Tris (400 mM).