J. Mater. Sci. Technol. ›› 2020, Vol. 38: 93-106.DOI: 10.1016/j.jmst.2019.09.003
• Invited Review • Previous Articles Next Articles
Yingzhi Chen, Dongjian Jiang, Zhengqi Gong, Qinglin Li, Ranran Shi, Zexi Yang, Ziyi Lei, Jingyuan Li, Lu-Ning Wang*()
Received:
2019-05-07
Revised:
2019-06-12
Accepted:
2019-09-19
Published:
2020-02-01
Online:
2020-02-10
Contact:
Wang Lu-Ning
Yingzhi Chen, Dongjian Jiang, Zhengqi Gong, Qinglin Li, Ranran Shi, Zexi Yang, Ziyi Lei, Jingyuan Li, Lu-Ning Wang. Visible-light responsive organic nano-heterostructured photocatalysts for environmental remediation and H2 generation[J]. J. Mater. Sci. Technol., 2020, 38: 93-106.
Fig. 3. (A) SEM images of (a) TiO2 nanotube arrays; (b) PDI/TiO2 junction I; (c) II; (d) III; (e) IV and (f-j) their corresponding high-resolution TEM (HRTEM) images in sequence. (B) Nyquist plot at 1 V applied potential vs. RHE. (C) IPCE plots in the 400-700 nm range at 1.23 V vs. RHE. (D) Photocurrent vs. applied potential under chopped illumination. All measurements in B-D were carried out in NaOH solution (8.1 pH) under 100 mW cm-2 illumination. Adapted from Ref. [47].
Fig. 4. (A) TEM image of g-C3N4/SnO2 Hybrid II. (B) The Brunauer-Emmett-Teller (BET) SSA of the as-prepared samples. (C) PL emission spectra. (D) The photocurrent vs. time plots at 1.23 V vs. RHE under chopped illumination. (E) Photocatalytic degradation of MB under solar light for the obtained samples. (F) Recycling experiment using Hybrid II for MB degradation under solar light. The light intensity in D-F is 100 mW cm-2. Adapted from Ref. [57].
Fig. 5. (A) Chemical structures of -COOH grouped Zn-tri-PcNc and g-C3N4. (B) Energy diagram of Zn-tri-PcNc/g-C3N4 system for the photocatalytic H2 evolution. (C) TRPS of the Zn-tri-PcNc/g-C3N4 system. (D) H2 evolution rate under light irradiation (λ > 500 nm).Adapted from Ref. [71].
Fig. 6. (A) Action spectra of ITO/ZnPc/C60-Pt (irradiation direction: ◆, Pt-coated C60 surface; ●, back side of ITO-coated face) and ITO/H2Pc/C60-Pt (irradiation direction: ▲, back side of ITO-coated face) [17], and the absorption spectrum of the ZnPc/C60 employed. (B) Absorption spectra of single-layered ZnPc and C60. The conditions of action spectral measurements at ITO/ZnPc/C60-Pt: Phosphoric acid electrolyte solution (pH = 2); applied potential=-0.1 V (vs. Ag/AgCl (sat.)); film thickness of ZnPc/C60 bilayer=75 nm (ZnPc)/125 nm (C60); passed charge during Pt deposition = 0.02 C. The experimental conditions of the reference system (i.e., ITO/H2Pc/C60-Pt) were the same as ITO/ZnPc/C60-Pt; (C) Scheme of photoelectrochemical H2 evolution at ITO/ZnPc/C60-Pt. Adapted from Ref. [79].
Fig. 7. (A) Action spectra for photocurrent at ITO/PTCBI/H2Pc-A(●), ITO/PTCBI/H2Pc-B (▲), and ITO/PTCBI/H2Pc-C (?). Concentration of thiol = 5 × 10-3 mol·dm-3 (pH = 10); applied potential = 0 V. (B) TEM images of ITO/PTCBI/H2Pc-B. (C) Energy diagram using the ITO/PTCBI/H2Pc system as the photoanode for water splitting. Adapted from Ref. [81].
Fig. 8. (A and B) SEM and TEM images of H2TPP/CH‐PTCDI nanoheterojunctions. (C) FL spectra of H2TPP (P), CH‐PTCDI (N), and H2TPP/CH‐PTCDI (p/n) nanostructures. (D) Schematic illustration of the energy structure of H2TPP/CH‐PTCDI p/n system for photoexcited charge transfer. (E) Photocatalytic degradation of MB with different samples under visible light irradiation (λ > 400 nm). (F) The repeated runs for photodegrading MB using the p/n system. Adapted from Ref. [84].
Fig. 9. TEM images of Pt nanocubes (CP, A), Pt nanooctahedra (OP, B) and Pt nanospheres (SP, C) supported on layered g-C3N4. (D) Photocatalytic hydrogen evolution activities of bare g-C3N4, as-prepared Pt/g-C3N4 photocatalysts and physically mixed samples under visible light within 1 h. Adapted from Ref. [86].
Fig. 10. (A) Photocatalytic activity displayed by g-C3N4 with various Pt contents. (B) Schematic illustration of the involved mechanisms. (C) Ultrafast TA kinetics to probe the charge separation at 750 nm (pump at 400 nm) for Pt-CN. Adapted from Ref. [92].
Fig. 11. (A) TEM images of Au/Pt/g-C3N4 nanocomposites. (B) UV-vis diffuse reflectance spectra, and (C) Photocatalytic activities in degrading TC-HCl under visible light irradiation for the as-prepared g-C3N4, Pt/g-C3N4, Au/g-C3N4, and Au/Pt/g-C3N4 nanocomposites. (D) Schematic illustration of the catalytic mechanism for photodegrading TC-HCl by Au/Pt/g-C3N4 nanocomposites under visible light irradiation. Adapted from Ref. [93].
Fig. 12. (A) TEM image of p-THPP/rGO nanohybrids. (B) The FL decay profiles of p-THPP and p-THPP/rGO nanohybrids in H2O (λexcitation = 405 nm). (C) Nyquist plots collected by electrical impedance spectroscopy (EIS) of free-standing rGO and p-THPP/rGO films. (D) Photocatalytic degradation of MB using different samples under visible-light irradiation (λ > 400 nm). Adapted from Ref. [98].
Fig. 13. (A) TEM image of 15rGO/CN nanocomposites. (B) PL spectra of pCN and a series of rGO/pCN photocatalysts with different rGO contents. (C) Mechanistic illustration of the charge behaviors in the rGO/pCN nanocomposite for CO2 reduction under visible light irradiation. (D) Total evolution of CH4 over the obtained samples under visible light irradiation for 10 h. Adapted from Ref. [100].
Fig. 14. (A) HRTEM images of CF/C3N4 composite. (B) PL spectra of CF0 and CF10 (λexcitation = 360 nm). (C) Transient photocurrent responses of CF0 and CF10 electrodes in 0.5 M Na2SO4 aqueous solution under visible light irradiation. (D) Comparison of the photocatalytic H2 evolution rate. The product by addition of 0.005 g, 0.01 g, 0.015 g, 0.02 g and 0.025 g CF into 5 g of thiourea was labeled as CF5, CF10, CF15, CF20 and CF25, respectively. Adapted from Ref. [105].
Fig. 15. (A) SEM and (B) TEM images, (C) Proposed mechanism of photocatalytic activity, and (D) The recycle experiments for RhB degradation by graphene/TiO2/TCPP hybrid. Adapted from Ref. [109].
Fig. 16. (A) TEM image of the SnPor/Ag NPs/rGO nanohybrids (inset: HRTEM image). (B) UV-vis absorption spectra of the samples: A-E in it represented GO, SnPor, SnPor/GO, SnPor/rGO, and SnPor/Ag NPs/rGO, respectively. (C) Transient photocurrent shown by different ohybrids (λexcitation>400 nm, 0 V vs. Ag/AgCl). (D) Kinetics of photodegradation of RhB (▼) by using AgNPs (▲), SnPor/rGO (●), AgNPs/RGO (★), and SnPor/Ag NPs/rGO (?) as a photocatalyst under visible light (λ > 400 nm). Adapted from Ref. [112].
|
[1] | Chatchai Rodwihok, Korakot Charoensri, Duangmanee Wongratanaphisan, Won Mook Choi, Seung Hyun Hur, Hyun Jin Park, Jin Suk Chung. Improved photocatalytic activity of surface charge functionalized ZnO nanoparticles using aniline [J]. J. Mater. Sci. Technol., 2021, 76(0): 1-10. |
[2] | Xinyue Tang, Junchao Wang, Jing Li, Xinglai Zhang, Peiqing La, Xin Jiang, Baodan Liu. In-situ growth of large-area monolithic Fe2O3/TiO2 catalysts on flexible Ti mesh for CO oxidation [J]. J. Mater. Sci. Technol., 2021, 69(0): 119-128. |
[3] | Jinming Hu, Shengyi Yang, Zhenheng Zhang, Hailong Li, Chandrasekar Perumal Veeramalai, Muhammad Sulaman, Muhammad Imran Saleem, Yi Tang, Yurong Jiang, Libin Tang, Bingsuo Zou. Solution-processed, flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot heterostructures [J]. J. Mater. Sci. Technol., 2021, 68(0): 216-226. |
[4] | Tao Liu, Aina He, Fengyu Kong, Anding Wang, Yaqiang Dong, Hua Zhang, Xinmin Wang, Hongwei Ni, Yong Yang. Heterostructured crystallization mechanism and its effect on enlarging the processing window of Fe-based nanocrystalline alloys [J]. J. Mater. Sci. Technol., 2021, 68(0): 53-60. |
[5] | E. Vazirinasab, G. Momen, R. Jafari. A non-fluorinated mechanochemically robust volumetric superhydrophobic nanocomposite [J]. J. Mater. Sci. Technol., 2021, 66(0): 213-225. |
[6] | Bhavana Joshi, Edmund Samuel, Yong-il Kim, Govindasami Periyasami, Mostafizur Rahaman, Sam S. Yoon. Bimetallic zeolitic imidazolate framework-derived substrate-free anode with superior cyclability for high-capacity lithium-ion batteries [J]. J. Mater. Sci. Technol., 2021, 67(0): 116-126. |
[7] | Jieqiong Wang, Zheng Liu, Changhong Zhan, Kexi Zhang, Xiaoyong Lai, Jinchun Tu, Yang Cao. 3D hierarchical NiS2/MoS2 nanostructures on CFP with enhanced electrocatalytic activity for hydrogen evolution reaction [J]. J. Mater. Sci. Technol., 2020, 39(0): 155-160. |
[8] | Jing Xu, Zhouping Wang, Yongfa Zhu. Highly efficient visible photocatalytic disinfection and degradation performances of microtubular nanoporous g-C3N4 via hierarchical construction and defects engineering [J]. J. Mater. Sci. Technol., 2020, 49(0): 133-143. |
[9] | Xintong Liu, Shaonan Gu, Yanjun Zhao, Guowei Zhou, Wenjun Li. BiVO4, Bi2WO6 and Bi2MoO6 photocatalysis: A brief review [J]. J. Mater. Sci. Technol., 2020, 56(0): 45-68. |
[10] | Yang Li, Xin Li, Huaiwu Zhang, Jiajie Fan, Quanjun Xiang. Design and application of active sites in g-C3N4-based photocatalysts [J]. J. Mater. Sci. Technol., 2020, 56(0): 69-88. |
[11] | Yiming Xiang, Qilin Zhou, Zhaoyang Li, Zhenduo Cui, Xiangmei Liu, Yanqin Liang, Shengli Zhu, Yufeng Zheng, Kelvin Wai Kwok Yeung, Shuilin Wu. A Z-scheme heterojunction of ZnO/CDots/C3N4 for strengthened photoresponsive bacteria-killing and acceleration of wound healing [J]. J. Mater. Sci. Technol., 2020, 57(0): 1-11. |
[12] | Kaustubh Bawane, Kathy Lu. Microstructure evolution of nanostructured ferritic alloy with and without Cr3C2 coated SiC at high temperatures [J]. J. Mater. Sci. Technol., 2020, 43(0): 126-134. |
[13] | Mir Ghasem Hosseini, Pariya Yardani Sefidi, Ahmet Musap Mert, Solen Kinayyigit. Investigation of solar-induced photoelectrochemical water splitting and photocatalytic dye removal activities of camphor sulfonic acid doped polyaniline -WO3- MWCNT ternary nanocomposite [J]. J. Mater. Sci. Technol., 2020, 38(0): 7-18. |
[14] | Lucas-Granados Bianca, Sánchez-Tovar Rita, M. Fernández-Domene Ramón, María Estívalis-Martínez José, García-Antón José. How does anodization time affect morphological and photocatalytic properties of iron oxide nanostructures? [J]. J. Mater. Sci. Technol., 2020, 38(0): 159-169. |
[15] | O. Kapitanova Olesya, V. Emelin Evgeny, G. Dorofeev Sergey, V. Evdokimov Pavel, N. Panin Gennady, Lee Youngmin, Lee Sejoon. Direct patterning of reduced graphene oxide/graphene oxide memristive heterostructures by electron-beam irradiation [J]. J. Mater. Sci. Technol., 2020, 38(0): 237-243. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||