Enhanced photocatalytic capability of SiO2/CQD nanocomposites
Source abstract
Abstract
It is also well known that naked SiO2 is not an efficient photocatalyst due to its relatively large band gap, which could only absorb short-wave ultraviolet light. In this report, SiO2/carbon quantum dot (SiO2/CQD, about 4 nm) nanocomposites were successfully prepared by one-step thermal method using tetraethylorthosilicate (TEOS) as the source of both silicon and carbon. The nanocomposites were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). These nanocomposites exhibit higher photocatalytic activity for rhodamine B (RhB) degradation than C-doped SiO2 and pure SiO2 nanoparticles under near-UV light irradiation at room temperature in air. In the present catalyst system, CQD play two important roles for the enhanced photocatalytic activity of SiO2/CQD nanocomposites. It is expected that these novel, environmentally friendly and highly photoactive SiO2/CQD nanocomposites may promote practical applications of photocatalysts and provide an effective approach to high-efficiency complex catalyst design.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Carbon and Quantum Dots Applications · Advanced Photocatalysis Techniques · Advanced Nanomaterials in Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (58)
Show source-provided references
1. Asahi R, Morikawa T, Ohwaki T, Aoki K, Taga Y (2001) Visible-light photocatalysis in nitrogen-doped titanium oxides. Science 293:269–27110.1126/science.1061051 ↗
2. Baker SN, Baker GA (2010) Luminescent carbon nanodots: emergent nanolights. Angew Chem Int Ed 49:6726–674410.1002/anie.200906623 ↗
3. Bessekhouad Y, Mohammedi M, Trari M (2002) Hydrogen photop ro2 duction from hydrogen sulfide on Bi2S3 catalyst. Sol Energy Mater Sol Cell 73:339–35010.1016/S0927-0248(01)00218-5 ↗
4. Cao L, Wang X, Meziani MJ, Lu F, Wang H, Luo PG, Lin Y, Harruff BA, Veca LM, Murray D, Xie SY, Sun YP (2007) Carbon dots for multiphoton bioimaging. J Am Chem Soc 129:11318–1131910.1021/ja073527l ↗
5. Chen C, Cai WM, Long MC, Zhou BX, Wu YH, Wu DY, Feng YJACS (2010) Synthesis of visible-light responsive graphene oxide/TiO2 composites with p/n heterojunction. ACS Nano 4:6425–643210.1021/nn102130m ↗
6. Choi JH, Nguyen FT, Barone PW, Heller DA, Moll AE, Patel D, Boppart SA, Strano MS (2007) Multimodal biomedical imaging with asymmetric single-walled carbon nanotube/iron oxide nanoparticle complexes. Nano Lett 7:861–86710.1021/nl062306v ↗
7. Daskalaki V, Antoniadou M, Lipuma G, Kondarides D, Lianos P (2010) Solar light-responsive Pt/CdS/TiO2 photocatalysts for hydrogen production and simultaneous degradation of inorganic or organic sacrificial agents in wastewater. Environ Sci Technol 44:7200–720510.1021/es9038962 ↗
8. Dong F, Wang HQ, Wu ZB (2009) One-step “Green” synthetic approach for mesoporous C-doped titanium dioxide with efficient visible light photocatalytic activity. J Phys Chem C 113:16717–1672310.1021/jp9049654 ↗
9. Feng W, Feng Y, Wu Z, Fujii A, Ozaki M, Yoshino K (2005) Optical and electrical characterizations of nanocomposite film of titania adsorbed onto oxidized multiwalled carbon nanotubes. J Phys: Condens Matter 17:4361–4368
10. Finazzi E, Di Valentin C, Pacchioni G (2009) Boron-doped anatase TiO2: pure and hybrid DFT calculations. J Phys Chem C 113:220–22810.1021/jp8072238 ↗
11. Fujishima A, Honda K (1972) TiO2 photoelectrochemistry and photocatalysis. Nature 238:37–3810.1038/238037a0 ↗
12. Gao XF, Sun WT, Hu ZD, Ai G, Zhang YL, Feng S, Li F, Peng LM (2009) An efficient method to form heterojunction CdS/TiO2 photoelectrodes using highly ordered TiO2 nanotube array films. J Phys Chem C 113:20481–2048510.1021/jp904320d ↗
13. Gopal NO, Lo HH, Ke SC (2008) Chemical state and environment of boron dopant in B, N-codoped anatase TiO2 nanoparticles: An avenue for probing diamagnetic dopants in TiO2 by electron paramagnetic resonance spectroscopy. J Am Chem Soc 130:2760–276110.1021/ja711424d ↗
14. Green WH, Le KP, Grey J, Au TT, Sailor MJ (1997) White phosphors from a silicate-carboxylate sol-gel precursor that lack metal activator ions. Science 276:1826–182810.1126/science.276.5320.1826 ↗
15. Hoffmann MR, Martin ST, Choi W, Bahnemann DW (1995) Environmental applications of semiconductor photocatalysis. Chem Rev 95:69–9610.1021/cr00033a004 ↗
16. Huang DG, Liao SJ, Liu JM, Dang Z, Petrik L (2006) Preparation of visible-light responsive N-F-codoped TiO2 photocatalyst by a sol-gel-solvothermal method. J Photochem Photobiol A 184:282–28810.1016/j.jphotochem.2006.04.041 ↗
17. Jammaer J, Aprile C, Verbruggen SW, Lenaerts S, Pescarmona PP, Martens JA (2011) A non-aqueous synthesis of TiO2/SiO2 composites in supercritical CO2 for the photodegradation of pollutants. ChemSusChem 4:1457–146310.1002/cssc.201100059 ↗
18. Jia FZ, Yao ZP, Jiang ZH, Li CX (2011a) Preparation of carbon coated TiO2 nanotubes film and its catalytic application for H-2 generation. Catal Commun 12:497–50110.1016/j.catcom.2010.11.015 ↗
19. Jia L, Wang DH, Huang YX, Xu AW, Yu HQ (2011b) Highly durable N-doped graphene/CdS nanocomposites with enhanced photocatalytic hydrogen evolution from water under visible light irradiation. J Phys Chem C 115:11466–1147310.1021/jp2023617 ↗
20. Jing SY, Lee HJ, Choi CK (2002) Chemical bond structure on Si-OC composite films with a low dielectric constant deposited by using inductively coupled plasma chemical vapor deposition. J Korean Phys Soc 41:769–773
21. Kang ZH, Wang EB, Mao BD, Su ZM, Lei G, Lian SY, Lin X (2005) Controllable fabrication of carbon nanotube and nanobelt with a polyoxometalate-assisted mild hydrothermal process. J Am Chem Soc 127:6534–653510.1021/ja051228v ↗
22. Kato K (1992) Preparation of SiO2 films from Si (OC2H5) 4-C2H5OH-H2O solutions without catalysts. J Mater Sci 27:1445–144810.1007/BF00542901 ↗
23. Kyeong S, Kang H, Yim J, Jeon SJ, Jeong CH, Lee YS, Jun BH, Kim JH (2013) Quantum dot-assembled nanoparticles with polydiacetylene supramolecule toward label-free, multiplexed optical detection. J Colloid Interface Sci 394:44–4810.1016/j.jcis.2012.11.039 ↗
24. Lee YK, Yoon YR, Rhee HK (2000) Preparation of colloidal silica using peptization method. Colloid Surf A: Physicochem Eng Asp 173:109–11610.1016/S0927-7757(00)00601-4 ↗
25. Li HT, He XD, Kang ZH, Huang H, Liu Y, Liu JL, Lian SY, Tsang CHA, Yang XB, Lee ST (2010) Water-soluble fluorescent carbon quantum dots and photocatalyst design. Angew Chem Int Ed 49:4430–443410.1002/anie.200906154 ↗
26. Li HT, He XD, Liu Y, Huang H, Lian SY, Lee ST, Kang ZH (2011) One-step ultrasonic synthesis of water-soluble carbon nanoparticles with excellent photoluminescent properties. Carbon 49:605–60910.1016/j.carbon.2010.10.004 ↗
27. Li HT, Liu RH, Liu Y, Huang H, Yu H, Ming H, Lian SY, Lee ST, Kang ZH (2012) Carbon quantum dots/Cu2O composites with protruding nanostructures and their highly efficient (near) infrared photocatalytic behavior. J Mater Chem 22:17470–1747510.1039/c2jm32827e ↗
28. Liu H, Wu Y, Zhang J (2011) A new approach toward carbon-modified vanadium-doped titanium dioxide photocatalysts. ACS Appl Mater Interfaces 3:1757–176410.1021/am200248q ↗
29. Liu Z, Fang F, Wang SJ, Gao YP, Chen FT, Zheng F, Liu Y, Dai YQ (2012) Photocatalytic degradation of gaseous benzene with CdS-sensitized TiO2 film coated on fiberglass cloth. J Mol Catal A: Chem 364:159–16510.1016/j.molcata.2012.06.004 ↗
30. Livraghi S, Paganini MC, Giamello E, Selloni A, Valentin CD, Pacchioni G (2006) Origin of photoactivity of nitrogen-doped titanium dioxide under visible light. J Am Chem Soc 128:15666–1567110.1021/ja064164c ↗
31. Ma Q, Nakane Y, Mori Y, Hasegawa M, Yoshioka Y, Watanabe TM, Gonda K, Ohuchi N, Jin T (2012) Multilayered, core/shell nanoprobes based on magnetic ferric oxide particles and quantum dots for multimodality imaging of breast cancer tumors. Biomaterials 33:8486–849410.1016/j.biomaterials.2012.07.051 ↗
32. Maji SK, Dutta AK, Dutta S, Srivastav DN, Paul P, Mondal Al, Adhikary B (2012) Single-source precursor approach for the preparation of CdS nanoparticles and their photocatalytic and intrinsic peroxidase like activity. Appl Catal B 126:265–27410.1016/j.apcatb.2012.07.005 ↗
33. Mewada A, Pandey S, Shinde S, Mishra N, Oza G, Thakur M, Sharon M, Sharon M (2013) Green synthesis of biocompatible carbon dots using aqueous extract of Trapa bispinosa peel. Mater Sci Eng C 33:2914–291710.1016/j.msec.2013.03.018 ↗
34. Mitoraj D, Kisch H (2008) The nature of nitrogen-modified titanium dioxide photocatalysts active in visible light. Angew Chem Int Ed 47:9975–997810.1002/anie.200800304 ↗
35. Nakata K, Kagawa T, Sakai M, Liu S, Ochiai T, Sakai H, Murakami T, Abe M, Fujishima A (2013) Preparation and Photocatalytic Activity of Robust Titania Monoliths for Water Remediation. ACS Appl Mater Interfaces 5:500–50410.1021/am302654r ↗
36. Pan JH, Zhang X, Du AJ, Sun DD, Leckie JO (2008) Self-etching reconstruction of hierarchically mesoporous F-TiO2 hollow microspherical photocatalyst for concurrent membrane water purifications. J Am Chem Soc 130:11256–1125710.1021/ja803582m ↗
37. Pan L, Zou JJ, Zhang XW, Wang L (2011) Water-mediated promotion of dye sensitization of TiO2 under visible light. J Am Chem Soc 133:10000–1000210.1021/ja2035927 ↗
38. Pang CL, Cui H, Wang CX (2011) Synthesis and photoluminescence of ultralong amorphous SiO2 nanowires catalysed by germanium. CrystEngComm 13:4082–408510.1039/c1ce05227f ↗
39. Patzke GR, Zhou Y, Kontic R, Conrad F (2011) Oxide nanomaterials: synthetic developments, mechanistic studies, and technological innovations. Angew Chem Int Ed 50:826–85910.1002/anie.201000235 ↗
40. Periyat P, Pillai SC, McCormack DE, Colreavy JS, Hinder J (2008) Improved high-temperature stability and sun-light-driven photocatalytic activity of sulfur-doped anatase TiO(2). J Phys Chem C 112:7644–765210.1021/jp0774847 ↗
41. Periyat P, McCormack DE, Hinder SJ, Pillai SC (2009) One-pot synthesis of anionic (nitrogen) and cationic (sulfur) codoped high-temperature stable, visible light active, anatase photocatalysts. J Phys Chem C 113:3246–325310.1021/jp808444y ↗
42. Shah MSAS, Park AR., Zhang K, Park JH, Yoo PJ (2012) Green synthesis of biphasic TiO2–reduced graphene oxide nanocomposites with highly enhanced photocatalytic activity. ACS Appl Mater Interfaces 4:3893–390110.1021/am301287m ↗
43. Shen JH, Zhu Y, Chen C, Yang XL, Li CZ (2011) Facile preparation and upconversion luminescence of graphene quantum dots. Chem Commun 47:2580–258210.1039/C0CC04812G ↗
44. Shen FY, Que WX, He YC, Yuan Y, Yin XT, Wang GF (2012) Enhanced Photocatalytic Activity of ZnO Microspheres via Hybridization with CuInSe2 and CuInS2 Nanocrystals. ACS Appl Mater Interfaces 4:4087–409210.1021/am3008533 ↗
45. Shi Y, Li HY, Wang L, Shen W, Chen HZ (2012) Novel alpha-Fe2O3/CdS Cornlike Nanorods with Enhanced Photocatalytic Performance. ACS Appl Mater Interfaces 4:4800–480610.1021/am3011516 ↗
46. Sun WT, Yu Y, Pan HY, Gao XF, Chen Q, Peng LM (2008) CdS quantum dots sensitized TiO2 nanotube-array photoelectrodes. J Am Chem Soc 130:1124–112510.1021/ja0777741 ↗
47. Tong H, Ouyang SX, Bi YP, Umezawa N, Oshikiri M, Ye JH (2012) Nano-photocatalytic Materials: Possibilities and Challenges. Adv Mater 24:229–25110.1002/adma.201102752 ↗
48. Wang DH, Jia L, Wu XL, Lu LQ, Xu AW (2012) One-step hydrothermal synthesis of N-doped TiO2/C nanocomposites with high visible light photocatalytic activity. Nanoscale 4:576–58410.1039/C1NR11353D ↗
49. Xu P, Lu J, Xu T, Gao SM, Huang BB, Dai Y (2010) I-2-Hydrosol-Seeded Growth of (I-2)(n)-C-Codoped Meso/Nanoporous TiO2 for Visible Light-Driven Photocatalysis. J Phys Chem C 114:9510–951710.1021/jp101634s ↗
50. Yang GD, Jiang Z, Shi HH, Xiao TC, Yan ZF (2010) J Mater Chem 20:5301–530910.1039/c0jm00376j ↗
51. Yao Y, Li G, Ciston S, Lueptow RM, Gray KA (2008) Environ Sci Technol 42:4952–495710.1021/es800191n ↗
52. Yu H, Zhang HC, Huang H, Liu Y, Li HT, Ming H, Kang ZH (2012) ZnO/carbon quantum dots nanocomposites: one-step fabrication and superior photocatalytic ability for toxic gas degradation under visible light at room temperature. New J Chem 36:1031–103510.1039/c2nj20959d ↗
53. Zhang JC, Shen WQ, Pan DY, Zhang ZW, Fang YG, Wu MH (2010) Controlled synthesis of green and blue luminescent carbon nanoparticles with high yields by the carbonization of sucrose. New J Chem 34:591–59310.1039/b9nj00662a ↗
54. Zhang HC, Ming H, Lian SY, Huang H, Li HT, Zhang LL, Liu Y, Kang ZH, Lee ST (2011) Fe2O3/carbon quantum dots complex photocatalysts and their enhanced photocatalytic activity under visible light. Dalton Trans 40:10822–1082510.1039/c1dt11147g ↗
55. Zhang HC, Huang H, Ming H, Li HT, Zhang LL, Liu Y, Kang ZH (2012) Carbon quantum dots/Ag3PO4 complex photocatalysts with enhanced photocatalytic activity and stability under visible light. J Mater Chem 22:10501–1050610.1039/c2jm30703k ↗
56. Zhang DE, Wu JB, Zhou BP, Hong YY, Li SB, Wen WJ (2013a) Efficient photocatalytic activity with carbon-doped SiO2 nanoparticles. Nanoscale 5:6167–617210.1039/c3nr01314f ↗
57. Zhang JY, Wang YH, Zhang J, Lin Z, Huang F, Yu JG (2013b) Enhanced Photocatalytic Hydrogen Production Activities of Au-Loaded ZnS Flowers. ACS Appl Mater Interfaces 5:1031–103710.1021/am302726y ↗
58. Zhao L, Chen XF, Wang XC, Zhang YJ, Wei W, Sun YH, Antonietti M, Titirici MM (2010) One-Step Solvothermal Synthesis of a Carbon@TiO2 Dyade Structure Effectively Promoting Visible-Light Photocatalysis. Adv Mater 22:3317–332110.1002/adma.201000660 ↗