highly selective and stable reduction of co2 to co by a graphitic carbon nitride/carbon nanotube...

Chemistry – A European JournalVolume 22, Issue 34, pages 11991-11996, 12 JUL 2016 DOI: 10.1002/chem.201601674http://onlinelibrary.wiley.com/doi/10.1002/chem.201601674/full#chem201601674-fig-0001

Chemistry – A European JournalVolume 22, Issue 34, pages 11991-11996, 12 JUL 2016 DOI: 10.1002/chem.201601674http://onlinelibrary.wiley.com/doi/10.1002/chem.201601674/full#chem201601674-fig-0001

Figure 1 a),b) TEM images of the g‐C3N4/MWCNT composite. c) XRD pattern of the g‐C3N4/MWCNT composite. d) Raman spectra of oxidized MWCNTs and the g‐C3N4/MWCNT composite.

Chemistry – A European JournalVolume 22, Issue 34, pages 11991-11996, 12 JUL 2016 DOI: 10.1002/chem.201601674http://onlinelibrary.wiley.com/doi/10.1002/chem.201601674/full#chem201601674-fig-0001

Figure 2 a) XPS survey spectra of pristine MWCNTs, pristine g-C3N4, and the g-C3N4/MWCNT composite. b),c) High-resolution N 1s (b) and C 1s (c) XPS survey spectra of the g-C3N4/MWCNT composite.

Highlighted in Chemistry Views magazine - “CO2 reduction with carbon composites”

Chemistry – A European JournalVolume 22, Issue 34, pages 11991-11996, 12 JUL 2016 DOI: 10.1002/chem.201601674http://onlinelibrary.wiley.com/doi/10.1002/chem.201601674/full#chem201601674-fig-0001

Figure 3 a) Polarization curves obtained with g-C3N4/MWCNT- coated GCE in Ar and CO2 saturated 0.1 m KHCO3, respectively. Scan rate 10 mV s−1; curves were recorded with iR compensation. b) Dependence of FE of CO and H2 on applied potential during constant potential electrolysis of CO2 in CO2-saturated 0.1 m KHCO3 using g-C3N4/MWCNT-coated CFP as the working electrode. c) Partial current density of CO under different applied potentials in constant potential electrolysis of CO2 obtained with pristine MWCNTs, pristine g-C3N4, and the g-C3N4/MWCNT composite coated CFP, respectively. d) Dependence of FE of CO on applied potential during constant potential electrolysis of CO2 obtained with pristine MWCNTs, pristine g-C3N4 and the g-C3N4/MWCNT composite coated CFP, respectively.

Chemistry – A European JournalVolume 22, Issue 34, pages 11991-11996, 12 JUL 2016 DOI: 10.1002/chem.201601674http://onlinelibrary.wiley.com/doi/10.1002/chem.201601674/full#chem201601674-fig-0001

Figure 4. jCO and FECO obtanied with the physical mixture of g-C3N4 and MWCNTs (1:1 mass ratio) coated CFP working electrode in constant potential electrolysis of CO2 s in 0.1 m CO2-saturated KHCO3 solution under different applied potentials.