“…In 2022, B. Bartolomei et al demonstrated how the presence of molecular by-products (highlighted by NMR) can lead to misleading conclusion regarding the putative properties of synthesized CDs. [137] In one of their examples, they observed a red and polarized emission from a CDs batch whereas these emissive features were later found to be respectively due to an aromatic by-product and a partly reacted [30], [32], [33], [35][36][37][38], [44], [46][47][48], [52][53][54], [56], [58][59][60], [64], [65], [67], [68], [70], [78], [79], [81], [84], [85], [87], [88], [90][91][92][93][94][95], [97], [98], [110][111][112][113][114][115][116][117], [119]…”