36× Signal Enhancement for Organics
The Cu substrate with double-pulse operation boosts organic element lines and stabilizes signals, markedly raising the sensitivity of routine LIBS detection.
Jiaxin, Xu · Li, Yeqiu · Dai, Qin · Wu, Rina · Li, Qian · Yinguo, Xie · Yizhe, Zhang · Men, Zhiwei
Microchemical Journal 2026
Reduced CQD
C I 247.8 nm signal significantly enhanced
CN 388.3 nm (B2Σ+→X2Σ+, 0–0) signal significantly enhanced
CN/C and CN/C2 ratios confirm CN mainly from reaction of C with background N2