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Peer-Review Record

Photocathodic Protection of Cobalt Doped ZnO Nanorod Arrays for 316 Stainless Steel and Q235 Carbon Steel in 3.5 wt.% NaCl Solution

Coatings 2019, 9(12), 803; https://doi.org/10.3390/coatings9120803
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Coatings 2019, 9(12), 803; https://doi.org/10.3390/coatings9120803
Received: 28 October 2019 / Revised: 12 November 2019 / Accepted: 22 November 2019 / Published: 1 December 2019
(This article belongs to the Section Thin Films)

Round 1

Reviewer 1 Report

Fot the manuscript with the title "Photocathodic protection of cobalt doped ZnO
3 nanorod arrays for 316 stainless steel and Q235 carbon
4 steel in 3.5 wt.% NaCl solution", i have some suggestions that are written below:   

1. The authors could provide the some STEM EDS analysis of the samples.

2. results and discussion section must be improved with examples from literature that sustain the authors suppositions.

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Reviewer 2 Report

Well prepared work, however, I have some comments / questions:

1. Why was the NAFION membrane chosen?

2. On what basis were the electrolyte concentrations selected in properly prepared for different cells? - corrosion celll and photoelectric cell?

3. On what basis was chosen the ratio of Co:ZnO?

4. What roles did play Co and what ZnO in the system?

5. Figure 4 is not clear? please describe more...

6. Figure 8 should be modified

7. Have the authors read the review of ZnO dr Radzimskiej-Kolodziejczak?

I think they should, because there are many information about ZnO and aplication...

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Round 2

Reviewer 1 Report

I accept the article in the present form.

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