Citation: Linlin Sun, Yaju Zhou, Xin Li, Jinze Li, Dong Shen, Shikang Yin, Huiqin Wang, Pengwei Huo, Yongsheng Yan. Thermo-responsive functionalized PNIPAM@Ag/Ag₃PO₄/CN-heterostructure photocatalyst with switchable photocatalytic activity[J]. Chinese Journal of Catalysis, ;2020, 41(10): 1573-1588. doi: 10.1016/S1872-2067(20)63554-9 shu

Thermo-responsive functionalized PNIPAM@Ag/Ag₃PO₄/CN-heterostructure photocatalyst with switchable photocatalytic activity

Linlin Sun ^a, ,
Yaju Zhou ^a ,
Xin Li ^a ,
Jinze Li ^a ,
Dong Shen ^a ,
Shikang Yin ^a ,
Huiqin Wang ^b ,
Pengwei Huo ^a ,
Yongsheng Yan ^a

a Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China;
b School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China

Received Date: 25 February 2020
Revised Date: 21 March 2020

Fund Project: This work was supported by the National Natural Science Foundation of China (21576125 and 21776117), the China Postdoctoral Science Foundation (2017M611734), and the Six Talent Peaks Project in Jiangsu Province (XCL-014).

It is extremely important for photocatalysts to exhibit intelligent responsiveness to their environment. Herein, a poly N-isopropyl acrylamide (PNIPAM)-modified Ag/Ag₃PO₄-20/CN hybrid material with excellent convertible photocatalytic activity is prepared. PNIPAM has good hydrophilicity below the lower critical solution temperature (LCST); this increases the capacity of the photocatalyst for adsorbing tetracycline (TC) molecules. In addition, the PNIPAM-modified Ag/Ag₃PO₄-20/CN can prevent the loss of Ag₃PO₄. The dispersity is improved by loading g-C₃N₄ nanosheets (CN) for enhancing the efficiency of photocatalytic activity. Furthermore, a Z-scheme heterostructure is formed between CN and Ag₃PO₄, accelerating the separation efficiency of the holes and electrons. Ag nanoparticles can be used as electron-shuttle mediators, and electrons receiving more energy are transferred via the localized surface plasmon resonance (LSPR) effect. Furthermore, the PNIPAM@Ag/Ag₃PO₄-20/CN photocatalyst exhibits an excellent degradation rate for the degradation of TC when the temperature is lower than the LCST. The photoluminescence spectra and photocurrent curves prove that the carrier-separation efficiency of PNIPAM@Ag/Ag₃PO₄-20/CN is higher than those of Ag/Ag₃PO₄/CN and CN. The main active species of·O₂^- and h⁺ are detected to reveal the plausible mechanism of the PNIPAM@Ag/Ag₃PO₄-20/CN hybrid material system. This work provides a way to develop intelligent materials for switchable photocatalytic applications.
- Intelligent responsiveness,
- g-C₃N₄ nanosheets,
- Ag₃PO₄,
- Ag,
- Poly N-isopropyl acrylamide
1. [1]
2. [2]
3. [3]
4. [4]
5. [5]
6. [6]
7. [7]
8. [8]
9. [9]
10. [10]
11. [11]
12. [12]
13. [13]
14. [14]
15. [15]
16. [16]
17. [17]
18. [18]
19. [19]
20. [20]
21. [21]
22. [22]
23. [23]
24. [24]
25. [25]
26. [26]
27. [27]
28. [28]
29. [29]
30. [30]
31. [31]
32. [32]
33. [33]
34. [34]
35. [35]
36. [36]
37. [37]
38. [38]
39. [39]
40. [40]
41. [41]
42. [42]
43. [43]
44. [44]
45. [45]
46. [46]
47. [47]
48. [48]
49. [49]
50. [50]
51. [51]
52. [52]
53. [53]
54. [54]
55. [55]
56. [56]
57. [57]
58. [58]
59. [59]
60. [60]
61. [61]
62. [62]
63. [63]
64. [64]
65. [65]
66. [66]
67. [67]
68. [68]
69. [69]
70. [70]
71. [71]
72. [72]
73. [73]
74. [74]
75. [75]
76. [76]
1. [1]
  Guangming YIN , Huaiyao WANG , Jianhua ZHENG , Xinyue DONG , Jian LI , Yi'nan SUN , Yiming GAO , Bingbing WANG . Preparation and photocatalytic degradation performance of Ag/protonated g-C₃N₄ nanorod materials. Chinese Journal of Inorganic Chemistry, 2024, 40(8): 1491-1500. doi: 10.11862/CJIC.20240086
2. [2]
  Kexin Dong , Chuqi Shen , Ruyu Yan , Yanping Liu , Chunqiang Zhuang , Shijie Li . Integration of Plasmonic Effect and S-Scheme Heterojunction into Ag/Ag₃PO₄/C₃N₅ Photocatalyst for Boosted Photocatalytic Levofloxacin Degradation. Acta Physico-Chimica Sinica, 2024, 40(10): 2310013-. doi: 10.3866/PKU.WHXB202310013
3. [3]
  Qingwang LIU . MoS₂/Ag/g-C₃N₄ Z-scheme heterojunction: Preparation and photocatalytic performance. Chinese Journal of Inorganic Chemistry, 2025, 41(4): 821-832. doi: 10.11862/CJIC.20240148
4. [4]
  Min WANG , Dehua XIN , Yaning SHI , Wenyao ZHU , Yuanqun ZHANG , Wei ZHANG . Construction and full-spectrum catalytic performance of multilevel Ag/Bi/nitrogen vacancy g-C₃N₄/Ti₃C₂T_x Schottky junction. Chinese Journal of Inorganic Chemistry, 2024, 40(6): 1123-1134. doi: 10.11862/CJIC.20230477
5. [5]
  Kai Han , Guohui Dong , Ishaaq Saeed , Tingting Dong , Chenyang Xiao . Morphology and photocatalytic tetracycline degradation of g-C3N4 optimized by the coal gangue. Chinese Journal of Structural Chemistry, 2024, 43(2): 100208-100208. doi: 10.1016/j.cjsc.2023.100208
6. [6]
  Xuejiao Wang , Suiying Dong , Kezhen Qi , Vadim Popkov , Xianglin Xiang . Photocatalytic CO₂ Reduction by Modified g-C₃N₄. Acta Physico-Chimica Sinica, 2024, 40(12): 2408005-. doi: 10.3866/PKU.WHXB202408005
7. [7]
  Liang Ma , Zhou Li , Zhiqiang Jiang , Xiaofeng Wu , Shixin Chang , Sónia A. C. Carabineiro , Kangle Lv . Effect of precursors on the structure and photocatalytic performance of g-C3N4 for NO oxidation and CO2 reduction. Chinese Journal of Structural Chemistry, 2024, 43(11): 100416-100416. doi: 10.1016/j.cjsc.2024.100416
8. [8]
  Heng Chen , Longhui Nie , Kai Xu , Yiqiong Yang , Caihong Fang . 两步焙烧法制备大比表面积和结晶性增强超薄g-C₃N₄纳米片及其高效光催化产H₂O₂. Acta Physico-Chimica Sinica, 2024, 40(11): 2406019-. doi: 10.3866/PKU.WHXB202406019
9. [9]
  Zhi Zhu , Xiaohan Xing , Qi Qi , Wenjing Shen , Hongyue Wu , Dongyi Li , Binrong Li , Jialin Liang , Xu Tang , Jun Zhao , Hongping Li , Pengwei Huo . Fabrication of graphene modified CeO2/g-C3N4 heterostructures for photocatalytic degradation of organic pollutants. Chinese Journal of Structural Chemistry, 2023, 42(12): 100194-100194. doi: 10.1016/j.cjsc.2023.100194
10. [10]
  Jianyu Qin , Yuejiao An , Yanfeng Zhang . In Situ Assembled ZnWO₄/g-C₃N₄ S-Scheme Heterojunction with Nitrogen Defect for CO₂ Photoreduction. Acta Physico-Chimica Sinica, 2024, 40(12): 2408002-. doi: 10.3866/PKU.WHXB202408002
11. [11]
  Yingqi BAI , Hua ZHAO , Huipeng LI , Xinran REN , Jun LI . Perovskite LaCoO₃/g-C₃N₄ heterojunction: Construction and photocatalytic degradation properties. Chinese Journal of Inorganic Chemistry, 2025, 41(3): 480-490. doi: 10.11862/CJIC.20240259
12. [12]
  Xin Jiang , Han Jiang , Yimin Tang , Huizhu Zhang , Libin Yang , Xiuwen Wang , Bing Zhao . g-C₃N₄/TiO_2-X heterojunction with high-efficiency carrier separation and multiple charge transfer paths for ultrasensitive SERS sensing. Chinese Chemical Letters, 2024, 35(10): 109415-. doi: 10.1016/j.cclet.2023.109415
13. [13]
  Wei Zhong , Dan Zheng , Yuanxin Ou , Aiyun Meng , Yaorong Su . K原子掺杂高度面间结晶的g-C₃N₄光催化剂及其高效H₂O₂光合成. Acta Physico-Chimica Sinica, 2024, 40(11): 2406005-. doi: 10.3866/PKU.WHXB202406005
14. [14]
  Guoqiang Chen , Zixuan Zheng , Wei Zhong , Guohong Wang , Xinhe Wu . 熔融中间体运输导向合成富氨基g-C₃N₄纳米片用于高效光催化产H₂O₂. Acta Physico-Chimica Sinica, 2024, 40(11): 2406021-. doi: 10.3866/PKU.WHXB202406021
15. [15]
  Chunyan Yang , Qiuyu Rong , Fengyin Shi , Menghan Cao , Guie Li , Yanjun Xin , Wen Zhang , Guangshan Zhang . Rationally designed S-scheme heterojunction of BiOCl/g-C₃N₄ for photodegradation of sulfamerazine: Mechanism insights, degradation pathways and DFT calculation. Chinese Chemical Letters, 2024, 35(12): 109767-. doi: 10.1016/j.cclet.2024.109767
16. [16]
  Guixu Pan , Zhiling Xia , Ning Wang , Hejia Sun , Zhaoqi Guo , Yunfeng Li , Xin Li . Preparation of high-efficient donor-π-acceptor system with crystalline g-C3N4 as charge transfer module for enhanced photocatalytic hydrogen evolution. Chinese Journal of Structural Chemistry, 2024, 43(12): 100463-100463. doi: 10.1016/j.cjsc.2024.100463
17. [17]
  Hualin Jiang , Wenxi Ye , Huitao Zhen , Xubiao Luo , Vyacheslav Fominski , Long Ye , Pinghua Chen . Novel 3D-on-2D g-C₃N₄/AgI._x._y heterojunction photocatalyst for simultaneous and stoichiometric production of H₂ and H₂O₂ from water splitting under visible light. Chinese Chemical Letters, 2025, 36(2): 109984-. doi: 10.1016/j.cclet.2024.109984
18. [18]
  Yanghanbin Zhang , Dongxiao Wen , Wei Sun , Jiahe Peng , Dezhong Yu , Xin Li , Yang Qu , Jizhou Jiang . State-of-the-art evolution of g-C3N4-based photocatalytic applications: A critical review. Chinese Journal of Structural Chemistry, 2024, 43(12): 100469-100469. doi: 10.1016/j.cjsc.2024.100469
19. [19]
  Hui Wang , Abdelkader Labidi , Menghan Ren , Feroz Shaik , Chuanyi Wang . 微观结构调控的g-C₃N₄在光催化NO转化中的最新进展：吸附/活化位点的关键作用. Acta Physico-Chimica Sinica, 2025, 41(5): 100039-. doi: 10.1016/j.actphy.2024.100039
20. [20]
  Xiaoming Fu , Haibo Huang , Guogang Tang , Jingmin Zhang , Junyue Sheng , Hua Tang . Recent advances in g-C3N4-based direct Z-scheme photocatalysts for environmental and energy applications. Chinese Journal of Structural Chemistry, 2024, 43(2): 100214-100214. doi: 10.1016/j.cjsc.2024.100214

Get Citation

PDF

XML

Metrics

PDF Downloads(2)
Abstract views(390)
HTML views(15)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Thermo-responsive functionalized PNIPAM@Ag/Ag3PO4/CN-heterostructure photocatalyst with switchable photocatalytic activity

Metrics

通讯作者: 陈斌, bchen63@163.com

Thermo-responsive functionalized PNIPAM@Ag/Ag₃PO₄/CN-heterostructure photocatalyst with switchable photocatalytic activity