We doped Ti3C2Tx with different Cu concentrations and it was observed that the conductivity of Ti3C2Tx dispersed was more than the Cu doped Ti3C2Tx and it was gradually increasing as the doping concentration was increased.
Dear friend Adnan Ali
I'm not sure about the specific reason for the decrease in electrical conductivity of Ti3C2Tx after doping with Cu. However, I found a paper that reviews the progress on electrical conductivity enhancement of Ti3C2Tx MXene from a number of aspects in Ti3AlC2 MAX phase precursor, synthesis methods, delamination treatment, removal of delamination compounds, surface terminations, thin-film deposition methods, and storage environment and time (Electrical Conductivity Enhancement....).
If you could provide me with more details about the experiment you conducted and the sonication method you used, I might be able to help you better.
Source:
(1) Electrical Conductivity Enhancement and Electronic Applications of 2D .... https://onlinelibrary.wiley.com/doi/10.1002/admi.202100903?af=R.
(2) Improved synthesis of Ti3C2Tx MXenes resulting in exceptional .... https://pubs.rsc.org/en/content/articlelanding/2021/nr/d0nr06671k.
The decrease in electrical conductivity of Ti3C2Tx after doping with Cu can be attributed to several factors:
It is important to note that the exact impact of Cu doping on the electrical conductivity of Ti3C2Tx can depend on various factors such as doping concentration, distribution of Cu atoms, and the specific properties of the Ti3C2Tx material.
The most important is how are MXenes doped with Cu?
It is known that MXenes adsorb Cu and other metal ions from aqueous solutions, leading to its coagulation and loss of 2D structure. Might it be the issue in your case?
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