Novel Approach for Synthesis of Graphene-like Phases by Pulsed Laser Ablation in a Flow-Mode Suspension

被引：3

作者：

Avramova, Ivalina ^{[1
]}

Dimov, Dimitar A. ^{[2
]}

Stankova, Nadya ^{[2
]}

Petrov, Miroslav ^{[2
]}

Karaivanova, Desislava ^{[2
]}

Avdeev, Georgi ^{[3
]}

Russev, Stoyan ^{[4
]}

Karashanova, Daniela ^{[5
]}

Georgieva, Biliana ^{[5
]}

Valcheva, Evgeniya ^{[4
]}

Milenov, Teodor ^{[2
]}

机构：

[1] Bulgarian Acad Sci, Inst Gen & Inorgan Chem, Acad G Bonchev St,Bl 11, Sofia 1113, Bulgaria

[2] Bulgarian Acad Sci, Academician Emil Djakov Inst Elect, 72 Tzarigradsko Chaussee Blvd, Sofia 1784, Bulgaria

[3] Bulgarian Acad Sci, Academician Rostislav Kaishev Inst Phys Chem, Acad G Bonchev St,Bl 11, Sofia 1113, Bulgaria

[4] Univ Sofia, Fac Phys, 5 James Bourchier Blvd, Sofia 1164, Bulgaria

[5] Bulgarian Acad Sci, AcademicianJordan Malinowski Inst Opt Mat & Techn, Acad G Bonchev St,Bl 109, Sofia 1113, Bulgaria

来源：

MATERIALS | 2022年 / 15卷 / 22期

关键词：

pulsed laser ablation in liquid; method; characterization; graphene; graphene oxide; reduced graphene oxide; ELECTRONIC-STRUCTURE; RAMAN-SPECTROSCOPY; CARBON; DIAMOND; DOTS; XPS;

D O I：

10.3390/ma15227870

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The present study investigates the possibility of obtaining graphene-like phases (defected graphene, graphene oxide, and reduced graphene oxide) as fine suspensions by applying a novel pulsed laser ablation (PLA) approach in flow mode. Two types of suspensions of microcrystalline graphite in aqueous suspensions and two types of microcrystalline graphite in suspensions of 6% hydrogen peroxide solution were irradiated in a quartz tube through which they flow. The third (lambda = 355 nm) and fourth harmonics (lambda = 266 nm) of an Nd:YAG laser system (15 ns pulse duration and 10 Hz pulse repetition rate) were used. The morphology of the obtained particles was studied by transmission electron microscopy (TEM). Their phase composition and structure were explored by X-ray photoelectron spectroscopy, X-ray diffractometry, and Raman spectroscopy.

引用

页数：14

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