One step synthesis of hydrophobic carbon dots powder with solid state emission and application in rapid visualization of latent fingerprints

被引：31

作者：

Bandi, Rajkumar ^{[1
,2
]}

Kannikanti, Harsha Gavash ^{[3
,4
]}

Dadigala, Ramakrishna ^{[1
]}

Gangapuram, Bhagavanth Reddy ^{[1
,5
]}

Vaidya, Jayathirtha Rao ^{[3
,4
]}

Guttena, Veerabhadram ^{[1
]}

机构：

[1] Osmania Univ, Dept Chem, Hyderabad 500007, Telangana, India

[2] Kangwon Natl Univ, Inst Forest Sci, Coll Forest & Environm Sci, Chunchon 24341, South Korea

[3] Fluoro Agro Chem Div, Uppal Rd Tarnaka, Hyderabad 500007, India

[4] AcSIR Indian Inst Chem Technol, Uppal Rd Tarnaka, Hyderabad 500007, India

[5] Palamuru Univ, Dept Chem, Mahabub Nagar 509001, Telangana, India

来源：

OPTICAL MATERIALS | 2020年 / 109卷

关键词：

Organophilic carbon dots; Aggregation induced quenching; Solid state synthesis; Fingerprints detection; Powder dusting; FLUORESCENT-PROBE; GREEN SYNTHESIS; C-DOTS; PHOTOLUMINESCENCE; WAVELENGTH; CONVERSION; NITROGEN;

D O I：

10.1016/j.optmat.2020.110349

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A one step thermal carbonization method for the preparation of solid state emitting N-doped carbon dots (NCDs) powder with hydrophobic nature is reported here. This method directly offers glowing NCDs powder in large quantities and do not involve tedious purification and drying steps. Physicochemical properties of as produced NCDs were explored using various analytical techniques and optical properties were studied in different solvents. The NCDs powder was applied for the rapid visualization of latent fingerprints (LFPs) on various porous and non-porous surfaces. With their green emission, NCDs were able to provide sufficient contrast on auto-fluorescent surfaces also. The LFPs developed with NCDs powder clearly presented level 2 and level 3 ridge details which are sufficient for the individual identification.

引用

页数：8

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