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Volume 11
Issue 1
10.3390/nano11010038
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Peer-Review Record

Rationally Designed CdS-Based Ternary Heterojunctions: A Case of 1T-MoS2 in CdS/TiO2 Photocatalyst

Nanomaterials 2021, 11(1), 38; https://doi.org/10.3390/nano11010038
by Wenqian Chen 1,2,*,†, Shaomei Zhang 1,3,†, Ganyu Wang 1,3, Gang Huang 4, Zhichong Yu 1,3, Yirui Li 1,3 and Liang Tang 1,3,*
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Nanomaterials 2021, 11(1), 38; https://doi.org/10.3390/nano11010038
Submission received: 26 November 2020 / Revised: 14 December 2020 / Accepted: 18 December 2020 / Published: 25 December 2020
(This article belongs to the Special Issue Nano-Hybrids: Synthesis, Characterization and Applications)

Round 1

Reviewer 1 Report

W. Chen, L. Tang et al., reported the use of CdS/MoS2/TiO2 for the photocatalytic hydrogen evolution reaction. The author observed the interesting photocurrent of hydrogen evolution reaction. The concept seems interesting but potential for the hydrogen evolution reaction should be shown. RHE should be -0.42 V vs NHE, which is apparently more negative than conduction band edge of MoS2. I am just suspicious about the catalytic activity of MoS2 in this experiment. Author should note the reason for this experimental points.

I recommend this article should be minor revision.

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

Reviewer 2 Report

Wen-Qian Chen et al. reported ternary CdS/1T-MoS2/TiO2 heterojunction synthesized by a hydrothermal method for hydrogen evolution. The author has studied their characterization using XRD, TEM, UV-Vis spectroscopy, XPS analysis and EIS analysis. Although the characterizations are comprehensive, some of the experiment results need to be described in more detail. Overall, after appropriate revision, I could consider this manuscript to be published in Nanomaterials. The specific comments are shown below:

 

  1. Please provide FTT of HRTEM images for Cds, 1T-MoS2 and TiO2, and give more depiction in TEM image.
  2. For EDS analysis, why only selected CdS/1T-MoS2/TiO2-45-15 heterojunctions to do elemental ratio analysis? Please provide EDS analysis of the as-synthesized sample and give more explanation.
  3. Please provide more characteristic results of the synthesized samples to compare with other photocatalysts (such as Cds or MoS2). The author should also explain the characteristics of the ternary heterojunctions photocatalyst.
  4. In Figure S1(b), The labels of the X-axis is not showing up.

 

 

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

Round 2

Reviewer 2 Report

The revised manuscript is satisfactorily addressed the reviewer's comments and well improved. The present reviewer recommends this manuscript for publication in Nanomaterials.

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