P-doped carbon nano-powders for fingerprint imaging

被引：27

作者：

Algarra, Manuel ^{[1
,2
]}

Bartolic, Dragana ^{[3
]}

Radotic, Ksenija ^{[3
]}

Mutavdzic, Dragosav ^{[3
]}

Soledad Pino-Gonzalez, Md. ^{[4
]}

Rodriguez-Castellon, Enrique ^{[1
]}

Manuel Lazaro-Martinez, Juan ^{[5
]}

Jose Guerrero-Gonzalez, Juan ^{[6
]}

Esteves da Silva, Joaquim C. G. ^{[7
]}

Jimenez-Jimenez, Jose ^{[1
]}

机构：

[1] Univ Madeira, CQM, Campus Penteada, P-9020105 Funchal, Portugal

[2] Univ Malaga, Fac Ciencias, Dept Quim Inorgan, Campus Teatinos S-N, E-29071 Malaga, Spain

[3] Univ Belgrade, Inst Multidisciplinary Res, Kneza Viseslava 1, Belgrade 11000, Serbia

[4] Univ Malaga, Fac Ciencias, Dept Quim Organ, Campus Teatinos S-N, E-29071 Malaga, Spain

[5] Univ Buenos Aires, Fac Farm & Bioquim, CONICET, IQUIMEFA, Junin 956, RA-1113 Buenos Aires, DF, Argentina

[6] Policia Cient Cuerpo Nacl Policia, Malaga, Spain

[7] Univ Porto, Fac Ciencias, Dept Quim & Bioquim, CIQ, Porto, Portugal

来源：

TALANTA | 2019年 / 194卷

关键词：

Carbon dots; Fingerprints; P-doped; DHA; Imaging; Nanoparticles; SOLID-STATE NMR; QUANTUM DOTS; SEMICONDUCTOR NANOCRYSTALS; LATENT FINGERPRINTS; GEM-DIOL; DIHYDROXYACETONE; NANOPARTICLES; FINGERMARKS; CONVERSION; FORMS;

D O I：

10.1016/j.talanta.2018.10.033

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A simple, fast, and laboratory efficient doped P carbon nanoparticles synthesis is developed for fingerprint imaging, using 1,3-dihydroxyacetone and di-phosphorous pentoxide. Fluorescence nanoparticles, with an average size of 230 nm were obtained, without additional energy input or external heating. ATR, solid NMR, XPS and fluorescence spectroscopy revealed their surface functionalization; a reaction mechanism is proposed. Fluorescence measurements exhibited a maximum emission band at ca. 495 nm, when excited at 385 nm. The images obtained, on different surfaces such as mobile telephone screen, magnetic band and metallic surface of a credit card and a Euro banknote treated with the obtained nano-powders allows us to record positive matches, confirming that the experimental results illustrate the effectiveness of proposed method.

引用

页码：150 / 157

页数：8

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