**Acknowledgements**

The authors would like to thank Ana Pimentel for the TG-DSC measurement. This work is funded by FEDER funds through the COMPETE 2020 Programme and National Funds through the FCT – Fundação para a Ciência e a Tecnologia, I.P., under the scope of the project UIDB/50025/2020, and the doctoral grant research number SFRH/BD/131836/2017. This work also received funding from the European Community's H2020 program under grant agreement No. 716510 (ERC-2016- StG TREND), No. 787410 (ERC-2018-AdG DIGISMART) and No. 685758 (1D-Neon). This work is part of the PhD Thesis in Nanotechnologies and Nanosciences defended by Ana Rovisco at FCT-NOVA entitled "Solution-based Zinc Tin oxide nanostructures: from synthesis to applications" in December 2019.

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