The Bottom of the Barrel of Science Fraud

Sometimes, scientific misconduct is so blatant as to be comical. I recently came across an example of this on Twitter. The following is an image from a paper published in the Journal of Materials Chemistry C:

As pointed out on PubPeer, this image – which is supposed to be an electron microscope image of some carbon dot (CD) nanoparticles – is an obvious fake. The “dots” are identical, and have clearly been cut-and-pasted. Where one copy has been placed over the top of another, the overlap

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