Chinese Journal of Catalysis ›› 2021, Vol. 42 ›› Issue (8): 1379-1386.DOI: 10.1016/S1872-2067(20)63601-4
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Xue-Peng Yin, Shu-Wen Luo, Shang-Feng Tang, Xiu-Li Lu*, Tong-Bu Lu#
Received:
2020-01-06
Accepted:
2020-01-06
Online:
2021-08-18
Published:
2020-11-23
Contact:
Xiu-Li Lu,Tong-Bu Lu
About author:
#E-mail: lutongbu@tjut.edu.cn† These authors contributed equally to this work
Supported by:
Xue-Peng Yin, Shu-Wen Luo, Shang-Feng Tang, Xiu-Li Lu, Tong-Bu Lu. In situ synthesis of a nickel boron oxide/graphdiyne hybrid for enhanced photo/electrocatalytic H2 evolution[J]. Chinese Journal of Catalysis, 2021, 42(8): 1379-1386.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(20)63601-4
Fig. 1. SEM images of GDY (a) and NiBi/GDY (b); TEM images of NiBi/GDY (c,d) and NiBi (e); The insets of d and e are the corresponding SAED images of NiBi/GDY and NiBi, respectively; (f) EDS mapping images of NiBi/GDY.
Fig. 3. (a) Time dependence of photocatalytic H2 generation using NiBi/GDY, NiBi/graphene, NiBi, and GDY catalysts (Reaction conditions: 2 mg catalyst, 3 mg Eosin Y, 5 mL aqueous solution containing 10 vol% TEOA, Xe-lamp (300 W, λ > 400 nm)). (b) Photocatalytic activity recycling test for NiBi/GDY. (c) Steady-state photoluminescence spectra of NiBi/GDY, NiBi/graphene, and NiBi. (d) Time-resolved fluorescence decay spectra of NiBi/GDY, NiBi/graphene, and NiBi.
Fig. 4. (a) LSV curves of electrochemical HER activities. (b) Electrochemical surface area (ECSA) measurements of NiBi/GDY, NiBi/graphene, and NiBi vs. scan rate. (c) Nyquist plots for NiBi, NiBi/graphene, and NiBi/GDY samples at ?0.2 V vs. RHE. (d) Polarization curves of NiBi/GDY obtained initially and after 2000 cycles (inset: time dependence of the cathodic current density of NiBi/GDY over 40 h).
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