Evidence map›Paper›PMID 30336571›Full record

ArticleNanomaterials (Basel, Switzerland)2018

Green Preparation of High Yield Fluorescent Graphene Quantum Dots from Coal-Tar-Pitch by Mild Oxidation.

Quanrun Liu, Jingjie Zhang, He He, Guangxu Huang, Baolin Xing, Jianbo Jia, Chuanxiang Zhang

Abstract read
In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Quanrun LiuCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. qrliu@163.com.
Jingjie ZhangCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. zhangjingjie1221@163.com.ORCID 0000-0003-1300-2446
He HeCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. hpuhehe@163.com.ORCID 0000-0001-7316-8507
Guangxu HuangCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. guangxu1369@163.com.
Baolin XingCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. baolinxing@hpu.edu.cn.ORCID 0000-0002-2475-1226
Jianbo JiaCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. jiajianbo@hpu.edu.cn.
Chuanxiang ZhangCollege of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China. zcx223@hpu.edu.cn.

Funding

The National Natural Science Foundation of China 51404098, U1361119
6 · The paper itself

Abstract

Coal tar pitch (CTP), a by-product of coking industry, has a unique molecule structure comprising an aromatic nucleus and several side chains bonding on this graphene-like nucleus, which is very similar to the structure of graphene quantum dots (GQDs). Based on this perception, we develop a facile approach to convert CTP to GQDs only by oxidation with hydrogen peroxide under mild conditions. One to three graphene layers, monodisperse GQDs with a narrow size distribution of 1.7 ± 0.4 nm, are obtained at high yield (more than 80 wt. %) from CTP. The as-produced GQDs are highly soluble and strongly fluorescent in aqueous solution. This simple strategy provides a feasible route towards the commercial synthesis of GQDs for its cheap material source, green reagent, mild condition, and high yield.

Indexed as

coal tar pitchgraphene quantum dotsgreenluminescence

Identifiers

PMID30336571
PMCPMC6215232

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.