1
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Tong J, Zhai H, Zhao S, Song L, Wang G, Feng N, Tan P, Xie J, Pan J. Visible light-driven sliver-modified titanium dioxide / bismuth molybdenum oxide with rapid interfacial charge-transfer for dual highly efficient photocatalytic degradation and disinfection. J Colloid Interface Sci 2024; 653:285-295. [PMID: 37717429 DOI: 10.1016/j.jcis.2023.09.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/25/2023] [Accepted: 09/10/2023] [Indexed: 09/19/2023]
Abstract
Enhancing interfacial charge transfer is a promising approach to improve the efficiency of photocatalysts. This research effectively exploited an Ag-modified Z-scheme TiO2/Bi2MoO6 heterojunction for photocatalytic degradation and disinfection under visible light. The catalyst was fabricated using simple hydrothermal and photo-deposition methods, and the characterization outcomes revealed that a built-in electric field (BIEF) was generated in the TiO2/Bi2MoO6 heterojunctions, which significantly promotes the separation of photogenerated carriers and increases light absorption efficiency. Besides, the theoretical calculation demonstrated that electron migration between TiO2 and Ag resulted in a strong coupling on the surface, which serves as the foundation for driving photoelectric charge transfer. Furthermore, the TiO2/Bi2MoO6/Ag-45 displayed 459% and 512% higher degradation efficiency of tetracycline hydrochloride (TC-HCl) and ciprofloxacin (CIP) after 100 min compared to pristine TiO2. Moreover, the complexes wholly inactivated gram-negative Escherichia coli (E. coli) and significantly inhibited the growth of gram-positive Staphylococcus albus (S. albus) after 200 min. Additionally, we have deduced the potential degradation pathways of TC-HCl and CIP and photocatalytic mechanisms. The research results provide an idea to solve the problems of limited light absorption range and rapid carrier combination speed of traditional photocatalytic materials, which is expected to be applied in the field of actual wastewater treatment.
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Affiliation(s)
- Jiaxin Tong
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China
| | - Huanhuan Zhai
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China
| | - Shuguang Zhao
- Shenzhen Yonker Water Services Co., Ltd, Shenzhen 518000, China
| | - Leshan Song
- Shenzhen Yonker Water Services Co., Ltd, Shenzhen 518000, China
| | - Guozhen Wang
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Ningning Feng
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Pengfei Tan
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China.
| | - Jianping Xie
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China.
| | - Jun Pan
- State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China.
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2
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Negrín-Montecelo Y, Geneidy AHA, Govorov AO, Alvarez-Puebla RA, Besteiro LV, Correa-Duarte MA. Balancing Near-Field Enhancement and Hot Carrier Injection: Plasmonic Photocatalysis in Energy-Transfer Cascade Assemblies. ACS PHOTONICS 2023; 10:3310-3320. [PMID: 37743943 PMCID: PMC10516266 DOI: 10.1021/acsphotonics.3c00733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Indexed: 09/26/2023]
Abstract
Photocatalysis stands as a very promising alternative to photovoltaics in exploiting solar energy and storing it in chemical products through a single-step process. A central obstacle to its broad implementation is its low conversion efficiency, motivating research in different fields to bring about a breakthrough in this technology. Using plasmonic materials to photosensitize traditional semiconductor photocatalysts is a popular strategy whose full potential is yet to be fully exploited. In this work, we use CdS quantum dots as a bridge system, reaping energy from Au nanostructures and delivering it to TiO2 nanoparticles serving as catalytic centers. The quantum dots can do this by becoming an intermediate step in a charge-transfer cascade initiated in the plasmonic system or by creating an electron-hole pair at an improved rate due to their interaction with the enhanced near-field created by the plasmonic nanoparticles. Our results show a significant acceleration in the reaction upon combining these elements in hybrid colloidal photocatalysts that promote the role of the near-field enhancement effect, and we show how to engineer complexes exploiting this approach. In doing so, we also explore the complex interplay between the different mechanisms involved in the photocatalytic process, highlighting the importance of the Au nanoparticles' morphology in their photosensitizing capabilities.
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Affiliation(s)
- Yoel Negrín-Montecelo
- Department
of Physical and Inorganic Chemistry, Universitat
Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain
| | | | - Alexander O. Govorov
- Department
of Physics and Astronomy, Ohio University, Athens, Ohio 45701, United States
| | - Ramon A. Alvarez-Puebla
- Department
of Physical and Inorganic Chemistry, Universitat
Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain
- ICREA, Passeig Lluís
Companys 23, 08010 Barcelona, Spain
| | - Lucas V. Besteiro
- CINBIO,
University of Vigo, Campus
Universitario de Vigo, Lagoas Marcosende, 36310 Vigo, Spain
| | - Miguel A. Correa-Duarte
- CINBIO,
University of Vigo, Campus
Universitario de Vigo, Lagoas Marcosende, 36310 Vigo, Spain
- Southern
Galicia Institute of Health Research (IISGS) and Biomedical Research
Networking Center for Mental Health (CIBERSAM), Universidade de Vigo, 36310 Vigo, Spain
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3
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Prestopino G, Orsini A, Barettin D, Arrabito G, Pignataro B, Medaglia PG. Vertically Aligned Nanowires and Quantum Dots: Promises and Results in Light Energy Harvesting. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4297. [PMID: 37374481 DOI: 10.3390/ma16124297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/01/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023]
Abstract
The synthesis of crystals with a high surface-to-volume ratio is essential for innovative, high-performance electronic devices and sensors. The easiest way to achieve this in integrated devices with electronic circuits is through the synthesis of high-aspect-ratio nanowires aligned vertically to the substrate surface. Such surface structuring is widely employed for the fabrication of photoanodes for solar cells, either combined with semiconducting quantum dots or metal halide perovskites. In this review, we focus on wet chemistry recipes for the growth of vertically aligned nanowires and technologies for their surface functionalization with quantum dots, highlighting the procedures that yield the best results in photoconversion efficiencies on rigid and flexible substrates. We also discuss the effectiveness of their implementation. Among the three main materials used for the fabrication of nanowire-quantum dot solar cells, ZnO is the most promising, particularly due to its piezo-phototronic effects. Techniques for functionalizing the surfaces of nanowires with quantum dots still need to be refined to be effective in covering the surface and practical to implement. The best results have been obtained from slow multi-step local drop casting. It is promising that good efficiencies have been achieved with both environmentally toxic lead-containing quantum dots and environmentally friendly zinc selenide.
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Affiliation(s)
- Giuseppe Prestopino
- Dipartimento di Ingegneria Industriale, Università degli Studi di Roma "Tor Vergata", Via del Politecnico, 00133 Rome, Italy
| | - Andrea Orsini
- Università degli Studi "Niccolò Cusano", ATHENA European University, Via Don Carlo Gnocchi 3, 00166 Rome, Italy
| | - Daniele Barettin
- Università degli Studi "Niccolò Cusano", ATHENA European University, Via Don Carlo Gnocchi 3, 00166 Rome, Italy
| | - Giuseppe Arrabito
- Dipartimento di Fisica e Chimica-Emilio Segrè, Università degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Bruno Pignataro
- Dipartimento di Fisica e Chimica-Emilio Segrè, Università degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Pier Gianni Medaglia
- Dipartimento di Ingegneria Industriale, Università degli Studi di Roma "Tor Vergata", Via del Politecnico, 00133 Rome, Italy
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4
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Yao D, Hu Z, Zheng R, Li J, Wang L, Yang X, Lü W, Xu H. Black TiO 2-Based Dual Photoanodes Boost the Efficiency of Quantum Dot-Sensitized Solar Cells to 11.7. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4294. [PMID: 36500917 PMCID: PMC9741270 DOI: 10.3390/nano12234294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Quantum dot-sensitized solar cells (QDSSC) have been regarded as one of the most promising candidates for effective utilization of solar energy, but its power conversion efficiency (PCE) is still far from meeting expectations. One of the most important bottlenecks is the limited collection efficiency of photogenerated electrons in the photoanodes. Herein, we design QDSSCs with a dual-photoanode architecture, and assemble the dual photoanodes with black TiO2 nanoparticles (NPs), which were processed by a femtosecond laser in the filamentation regime, and common CdS/CdSe QD sensitizers. A maximum PCE of 11.7% with a short circuit current density of 50.3 mA/cm2 is unambiguously achieved. We reveal both experimentally and theoretically that the enhanced PCE is mainly attributed to the improved light harvesting of black TiO2 due to the black TiO2 shells formed on white TiO2 NPs.
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Affiliation(s)
- Danwen Yao
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
| | - Zhenyu Hu
- State Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Ruifeng Zheng
- State Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Jialun Li
- State Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Liying Wang
- State Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Xijia Yang
- State Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Wei Lü
- State Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Huailiang Xu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
- State Key Laboratory of Precision Spectroscopy and Chongqing Institute, East China Normal University, Shanghai 200062, China
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5
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Panda B, Mondal D, Mandal S, Khatun J, Mukherjee A, Dhak D. One-pot solution combustion synthesis of porous spherical-shaped magnesium zinc binary oxide for efficient fluoride removal and photocatalytic degradation of methylene blue and Congo red dye. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022:10.1007/s11356-022-22551-6. [PMID: 35997883 DOI: 10.1007/s11356-022-22551-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
A novel porous spherical-shaped magnesium zinc binary oxide (MZO) was successfully prepared for the first time using a chemical process for fluoride removal and photocatalytic methylene blue (MB) and Congo red (CR) dye degradation. XRD, FESEM, and TEM were studied for phase formation, topographic, crystallographic, and detailed structural information. The surface charge and optical properties of the adsorbent were studied by zeta potential and photoluminescence spectra. The synthesized nano-adsorbents showed high fluoride removal capacity (43.10 mg/g) and photocatalytic activity with a degradation efficiency of 97.83% and 78.40% for MB and CR, respectively. The adsorption was strongly pH-dependent and worked well in the range 6-9. The kinetic studies were performed for both fluoride removal and dye degradation and were found to follow pseudo-second-order and first-order rate law, respectively. The samples were found to be extremely reusable and selective for fluoride removal in presence of co-ions such as NO3-, SO42-, and Cl-. The basic fluoride adsorption process of the samples can be related to ion exchange and electrostatic interactions, according to XPS and FTIR data. The detailed mechanistic study of photocatalytic dye degradation showed that the reaction occurred via OH radicals. Thus, MZO could be considered an effective and quick adsorbent for water purification in fluoride-containing groundwater and industrial dye wastewater.
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Affiliation(s)
- Bholanath Panda
- Department of Chemistry, Sidho-Kanho-Birsha University, Purulia, West Bengal, 732104, India
| | - Debasish Mondal
- Department of Chemistry, Sidho-Kanho-Birsha University, Purulia, West Bengal, 732104, India
| | - Supriya Mandal
- Department of Chemistry, Sidho-Kanho-Birsha University, Purulia, West Bengal, 732104, India
| | - Julekha Khatun
- Department of Chemistry, Sidho-Kanho-Birsha University, Purulia, West Bengal, 732104, India
| | - Arnab Mukherjee
- Department of Chemistry, Sidho-Kanho-Birsha University, Purulia, West Bengal, 732104, India
| | - Debasis Dhak
- Department of Chemistry, Sidho-Kanho-Birsha University, Purulia, West Bengal, 732104, India.
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6
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Yu L, Hao W, Li Z, Ren X, Yang H, Ma H. Synthesis of ZnO core/shell hollow microspheres to boost light harvesting capability in quantum dots-sensitized solar cell. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2020.138283] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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7
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Gao M, Wang W, Cao M, Yang H, Li Y. Constructing hydrangea-like hierarchical zinc-zirconium oxide microspheres for accelerating fluoride elimination. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114133] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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8
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Huang HB, Yu K, Zhang N, Xu JY, Yu XT, Liu HX, Cao HL, Lü J, Cao R. Localized surface plasmon resonance enhanced visible-light-driven CO 2 photoreduction in Cu nanoparticle loaded ZnInS solid solutions. NANOSCALE 2020; 12:15169-15174. [PMID: 32662483 DOI: 10.1039/d0nr01801e] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Visible-light-driven photocatalysts have shown tremendous prospects in solving the energy crisis and environmental problems, thanks to their wide spectral response and high quantum efficiency. Several strategies including the expansion of visible light response and the improvement of solar energy utilization and photocatalytic quantum efficiency via more effective separation of photogenerated carriers are the current focuses of research that direct the design and fabrication of viable photocatalysts. Herein, a series of composite photocatalysts assembled from plasmonic Cu nanoparticles (NPs) and Zn3In2S6 (ZIS) solid solutions were synthesized by means of a simple solvothermal method. In comparison with the pristine ZIS semiconductor, Cu NP loaded ZIS solid solutions showed greatly enhanced photocatalytic activity, selectivity and stability towards CO2 reduction under visible irradiation. Of note was that the optimized ZIS-Cu2 exhibited an enhanced CH4 production rate of ca. 292 μL g-1 h-1 and a selectivity of ca. 71.1%, which were among the highest numbers reported hitherto. The localized surface plasmon resonance (LSPR) effect, shown by surface Cu NPs, was believed to play a critical role in the enhanced CO2 photoreduction efficiency. More importantly, the introduction of plasmonic Cu NPs could restrain the recombination of photogenerated electron-hole pairs and promote the migration of photogenerated electrons to better participate in the photocatalytic CO2 reduction in the presence of water vapor. This work thus provides a facile means to design robust and flexible composite photocatalysts for visible-light-driven CO2 photoreduction with high efficiency.
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Affiliation(s)
- Hai-Bo Huang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China. and State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P.R. China.
| | - Kai Yu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China.
| | - Ning Zhang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China.
| | - Jian-Ying Xu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China.
| | - Xu-Teng Yu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China.
| | - Heng-Xin Liu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China.
| | - Hai-Lei Cao
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China.
| | - Jian Lü
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China. and State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P.R. China.
| | - Rong Cao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P.R. China.
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9
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Li Z, Yu L, Wang H, Yang H, Ma H. TiO 2 Passivation Layer on ZnO Hollow Microspheres for Quantum Dots Sensitized Solar Cells with Improved Light Harvesting and Electron Collection. NANOMATERIALS 2020; 10:nano10040631. [PMID: 32231107 PMCID: PMC7221611 DOI: 10.3390/nano10040631] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 03/22/2020] [Accepted: 03/24/2020] [Indexed: 12/23/2022]
Abstract
Light harvesting and electron recombination are essential factors that influence photovoltaic performance of quantum dots sensitized solar cells (QDSSCs). ZnO hollow microspheres (HMS) as architectures in QDSSCs are beneficial in improving light scattering, facilitating the enhancement of light harvesting efficiency. However, this advantage is greatly weakened by defects located at the surface of ZnO HMS. Therefore, we prepared a composite hollow microsphere structure consisting of ZnO HMS coated by TiO2 layer that is obtained by immersing ZnO HMS architectures in TiCl4 aqueous solution. This TiO2-passivated ZnO HMS architecture is designed to yield good light harvesting, reduced charge recombination, and longer electron lifetime. As a result, the power conversion efficiency (PCE) of QDSSC reaches to 3.16% with an optimal thickness of TiO2 passivation layer, which is much higher when compared to 1.54% for QDSSC based on bare ZnO HMS.
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Affiliation(s)
- Zhen Li
- College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, China; (H.W.); (H.Y.); (H.M.)
- Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye City 734000, China
- Correspondence: (Z.L.); (L.Y.)
| | - Libo Yu
- College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, China; (H.W.); (H.Y.); (H.M.)
- Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye City 734000, China
- Correspondence: (Z.L.); (L.Y.)
| | - Hao Wang
- College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, China; (H.W.); (H.Y.); (H.M.)
| | - Huiwen Yang
- College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, China; (H.W.); (H.Y.); (H.M.)
| | - Huan Ma
- College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, China; (H.W.); (H.Y.); (H.M.)
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10
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Wang W, Sang Q, Yang M, Du J, Yang L, Jiang X, Han X, Zhao B. Detection of several quinolone antibiotic residues in water based on Ag-TiO 2 SERS strategy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 702:134956. [PMID: 31710852 DOI: 10.1016/j.scitotenv.2019.134956] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/05/2019] [Accepted: 10/11/2019] [Indexed: 05/05/2023]
Abstract
Herein, a surface-enhanced Raman scattering (SERS) strategy based on semiconducting substrate was exploited for detection of several antibiotic residues both in ultrapure water system and in actual water system. The as-prepared Ag-TiO2 (Ag synchronously deposited and doped TiO2) nanoparticle SERS-active substrate can achieve high sensitive SERS detection for difloxacin hydrochloride, ciprofloxacin, enrofloxacin, danofloxacin and enoxacin (five widely used quinolone antibiotics) in actual water samples, and the detection limits are as low as 4.36 × 10-12, 7.08 × 10-11, 3.94 × 10-11, 3.16 × 10-11 and 3.15 × 10-10 mol/L, respectively. These detection limits are far below the maximum of residue limit (3.01 × 10-7 mol/L) stipulated by the European Union. And, the desirable quantitative relationships can be obtained in a wide concentration range. The recoveries of five antibiotic residues from spiked actual water samples are found to be more than 80.8% with the relative standard deviations between 2.1% and 4.7%. Even, the proposed SERS method can accurately distinguish every antibiotic species from a mixed antibiotic residue sample with multiple antibiotics. And, Ag-TiO2 nanoparticles can also serve as an efficient photocatalyst for photocatalytic degradation of these antibiotic residues, which provides a multi-functional platform for synchronous determination and degradation of antibiotic residues in real environment.
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Affiliation(s)
- Weie Wang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China; College of Materials Science and Engineering, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Qinqin Sang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Ming Yang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Juan Du
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Libin Yang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China; College of Materials Science and Engineering, Jiamusi University, Jiamusi 154007, People's Republic of China.
| | - Xin Jiang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, People's Republic of China
| | - Xiaoxia Han
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China
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11
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Wu T, Yin D, Hu X, Yang B, Liu H, Xie YP, Liu SX, Ma L, Gao GG. A disulfur ligand stabilization approach to construct a silver(i)-cluster-based porous framework as a sensitive SERS substrate. NANOSCALE 2019; 11:16293-16298. [PMID: 31465063 DOI: 10.1039/c9nr05301h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
An atomically-precise silver(i)-cluster-based three-dimensional (3D) framework (UJN-1) stabilized by a ditiocarb (diethyldithiocarbamate) ligand has been unveiled for the first time by self-assembly. UJN-1 is composed of both Ag9 clusters and Ag5 subunits, of which the Ag9 clusters are bonded with Ag5 subunits by sharing the ditiocarb ligand to form a microporous 3,4-connected topological framework. The chemically reduced nano-sized derivative of UJN-1 exhibits highly sensitive surface enhanced Raman scattering (SERS) towards 4-mercaptobenzoic acid (4-MBA) signal molecules, which is ascribed to the porosity as well as the distribution of abundant crystalline Ag0 active sites. This work sheds light on a new bottom-up approach to construct SERS-active silver(i)-cluster-based 3D materials by disulfur ligand stabilization.
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Affiliation(s)
- Tong Wu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China. and College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Di Yin
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China.
| | - Xun Hu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China.
| | - Bo Yang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Hong Liu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China. and College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Yun-Peng Xie
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shi-Xi Liu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China.
| | - Lulu Ma
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China.
| | - Guang-Gang Gao
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China. and College of Pharmacy, Jiamusi University, Jiamusi 154007, China
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12
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Consonni V, Briscoe J, Kärber E, Li X, Cossuet T. ZnO nanowires for solar cells: a comprehensive review. NANOTECHNOLOGY 2019; 30:362001. [PMID: 31051478 DOI: 10.1088/1361-6528/ab1f2e] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
As an abundant and non-toxic wide band gap semiconductor with a high electron mobility, ZnO in the form of nanowires (NWs) has emerged as an important electron transporting material in a vast number of nanostructured solar cells. ZnO NWs are grown by low-cost chemical deposition techniques and their integration into solar cells presents, in principle, significant advantages including efficient optical absorption through light trapping phenomena and enhanced charge carrier separation and collection. However, they also raise some significant issues related to the control of the interface properties and to the technological integration. The present review is intended to report a detailed analysis of the state-of-the-art of all types of nanostructured solar cells integrating ZnO NWs, including extremely thin absorber solar cells, quantum dot solar cells, dye-sensitized solar cells, organic and hybrid solar cells, as well as halide perovskite-based solar cells.
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Affiliation(s)
- Vincent Consonni
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LMGP, F-38000 Grenoble, France
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13
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Fu B, Deng C, Yang L. Efficiency Enhancement of Solid-State CuInS 2 Quantum Dot-Sensitized Solar Cells by Improving the Charge Recombination. NANOSCALE RESEARCH LETTERS 2019; 14:198. [PMID: 31172299 PMCID: PMC6554371 DOI: 10.1186/s11671-019-2998-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Copper indium sulfide quantum dots (CuInS2 QDs) were incorporated into a nanocrystalline TiO2 film by using spin coating-assisted successive ionic layer adsorption and reaction process to fabricate CuInS2 QD-sensitized TiO2 photoelectrodes for the solid-state quantum dot-sensitized solar cell (QDSSC) applications. The result shows that the photovoltaic performance of solar cell is extremely dependent on the number of cycles, which has an appreciable impact on the coverage ratio of CuInS2 on the surface of TiO2 and the density of surface defect states. In the following high-temperature annealing process, it is found that annealing TiO2/CuInS2 photoelectrode at a suitable temperature would be beneficial for decreasing the charge recombination and accelerating the charge transport. After annealing at 400 °C, a significantly enhanced photovoltaic properties of solid-state CuInS2 QDSSCs are obtained, achieving the power conversion efficiency (PCE) of 3.13%, along with an open-circuit voltage (VOC) of 0.68 V, a short-circuit photocurrent density (JSC) of 11.33 mA cm-2, and a fill factor (FF) of 0.41. The enhancement in the performance of solar cells is mainly ascribed to the suppression of charge recombination and the promotion of the electron transfer after annealing.
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Affiliation(s)
- Bowen Fu
- College of Physics Science and Technology, Hebei University, Baoding, 071002 China
| | - Chong Deng
- College of Physics Science and Technology, Hebei University, Baoding, 071002 China
- Key Laboratory of Semiconductor Photovoltaic Technology of Inner Mongolia Autonomous Region, School of Physical Science and Technology, Inner Mongolia University, Hohhot, 010021 China
| | - Lin Yang
- College of Physics Science and Technology, Hebei University, Baoding, 071002 China
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14
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On the possibility of ferromagnetism and improved dye-sensitized solar cells efficiency in TiO2/ZnO core/shell nanostructures. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.04.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Sheng X, Xu T, Feng X. Rational Design of Photoelectrodes with Rapid Charge Transport for Photoelectrochemical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1805132. [PMID: 30637813 DOI: 10.1002/adma.201805132] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 11/23/2018] [Indexed: 06/09/2023]
Abstract
Photoelectrode materials are the heart of photoelectrochemical (PEC) cells, which hold great promise to address global energy and environmental issues by converting solar energy into electricity or chemical fuels. In recent decades, significant research efforts have been devoted to the design and construction of photoelectrodes for the efficient generation and utilization of charge carriers to boost PEC performance. Herein, insights from a literature study on the relationship between the architecture and charge dynamics of photoelectrodes are presented. After briefly introducing the fundamental theories of charge dynamics in nanostructured photoelectrodes, the development of photoelectrode design in 1D polycrystalline nanotube arrays, 1D single-crystalline nanowire arrays, and hierarchical and mesoporous nanowire arrays is reviewed with a focus on the interplay between architecture and charge transport properties. For each design, commonly used synthetic approaches and the corresponding charge transport properties are discussed. Subsequently, the applications of these photoelectrodes in PEC systems are summarized. In conclusion, future challenges in the rational design of photoelectrode architecture are presented. The basic relationships between the architectures and charge dynamics of photoelectrode materials discussed here are expected to provide pertinent guidance and a reference for future advanced material design targeting improved light energy conversion systems.
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Affiliation(s)
- Xia Sheng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Tao Xu
- Department of Chemistry and Biochemistry, Northern Illinois University, Dekalb, IL, 60115, USA
| | - Xinjian Feng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
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16
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Qiao P, Wu J, Li H, Xu Y, Ren L, Lin K, Zhou W. Plasmon Ag-Promoted Solar-Thermal Conversion on Floating Carbon Cloth for Seawater Desalination and Sewage Disposal. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7066-7073. [PMID: 30693752 DOI: 10.1021/acsami.8b20665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Using solar energy to achieve seawater desalination and sewage disposal has received tremendous attention for its potential possibility to produce clean freshwater. However, the low solar-thermal conversion efficiency for solar absorber materials obstacles their practical applications. Herein, Ag nanoparticles modified floating carbon cloth (ANCC) are first synthesized via wet impregnation, photoreduction, and low-temperature drying strategy, which could float on the water and absorb the solar energy efficiently. It is worth noting that vaporization rate of ANCC with a high wide-spectrum absorption (92.39%) for the entire range of optical spectrum (200-2500 nm) is up to 1.36 kg h-1 m-2 under AM 1.5, which corresponds to solar-thermal conversion efficiency of ∼92.82% with superior seawater desalination and sewage disposal performance. Plasmon Ag promotes the conversion efficiency obviously compared to the pristine carbon cloth because the surface plasmon resonance effect could increase the local temperature greatly. After the desalination, the ion concentrations (Mg2+, K+, Ca2+, and Na+ ions) in water are far below the limit of drinking water. Such high-performance floating ANCC material may offer a feasible and paradigm strategy to manage the global water contamination and freshwater shortage problem.
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Affiliation(s)
- Panzhe Qiao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
| | - Jiaxing Wu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
| | - Haoze Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
| | - Yachao Xu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
| | - Liping Ren
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
| | - Kuo Lin
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
| | - Wei Zhou
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China , Heilongjiang University , Harbin 150080 , P. R. China
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17
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Xu R, Wei D, Du B, Cao W, Fan D, Zhang Y, wei Q, Ju H. A photoelectrochemical sensor for highly sensitive detection of amyloid beta based on sensitization of Mn:CdSe to Bi2WO6/CdS. Biosens Bioelectron 2018; 122:37-42. [DOI: 10.1016/j.bios.2018.09.030] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/07/2018] [Accepted: 09/08/2018] [Indexed: 01/04/2023]
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18
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Kariem Bin Mohd Arof A, Hamdi Bin Ali Buraidah M. Plasmonic Effect in Photoelectrochemical Cells. PLASMONICS 2018. [DOI: 10.5772/intechopen.79580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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19
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Dong P, Yang F, Cheng X, Huang Z, Nie X, Xiao Y, Zhang X. Plasmon enhanced photocatalytic and antimicrobial activities of Ag-TiO 2 nanocomposites under visible light irradiation prepared by DBD cold plasma treatment. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 96:197-204. [PMID: 30606525 DOI: 10.1016/j.msec.2018.11.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 09/20/2018] [Accepted: 11/03/2018] [Indexed: 12/17/2022]
Abstract
Silver nanoparticles (Ag NPs) have been deposited on powder P25 by a novel two-step method involving a precipitation reaction and atmospheric pressure dielectric barrier discharge (DBD) cold plasma treatment without the use of any environmentally and biologically hazardous reducing agents. The silver precursor is formed in the processing of precipitation reaction and then completely reduced to the metallic state by atmospheric pressure DBD cold plasma treatment as proved by X-ray photoelectron spectroscopy, UV-Visible absorption spectra and HRTEM analyses. TEM images indicate that the Ag NPs with average diameter of 3.7 nm were deposited on powder P25 with high dispersion although no reducing agents, stabilizers or surfactants were used. The prepared products show remarkable improvement for methylene blue (MB) photodegradation and effective inhibition of bacterias against Escherichia coli and Staphylococcus aureus.
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Affiliation(s)
- Peimei Dong
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Fangfang Yang
- School of Pharmaceutical Biotechnology, Zhejiang University, Hangzhou 310027, China
| | - Xudong Cheng
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhengfeng Huang
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xiaoxiao Nie
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yonghong Xiao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medical College, Zhejiang University, 310003, China
| | - Xiwen Zhang
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.
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20
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Kaledin AL, Hill CL, Lian T, Musaev DG. A bulk adjusted linear combination of atomic orbitals (BA-LCAO) approach for nanoparticles. J Comput Chem 2018; 40:212-221. [PMID: 30284306 DOI: 10.1002/jcc.25373] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 05/15/2018] [Accepted: 05/18/2018] [Indexed: 11/11/2022]
Abstract
We describe a bulk adjusted linear combination of atomic orbitals (BA-LCAO) approach for nanoparticles. In this method, we apply a many-body scaling function (in similar manner as in the environment-modified total energy based tight-binding method) to the DFT-derived diatomic AO interaction potentials (like in the conventional orbital-based density-functional tight binding approach) strictly according to atomic valences acquired naturally in a bulk structure. This modification, (a) facilitates all atom orbital-based electronic structure calculations of charge carrier dynamics in nanoscale structures with a molecular acceptor, and (b) allows to closely match high-level density functional calculation data (previously adjusted to the available experimental findings) for bulk structures. To advance practical application of the BA-LCAO approach we parameterize the Hamiltonian of wurtzite CdSe by fitting its band structure to a high-level DFT reference, corrected for experimentally measured band edges. Here, unlike in conventional DFTB approach, we: (1) use hydrogen-like AOs for the basis as exact atomic eigenfunctions, while orbital energies of which are taken from experimentally measured ionization potentials, and (2) parameterize the many-body scaling functions rather than the atomic wavefunctions. Development of this approach and parameters is guided by our goals to devise a method capable of simultaneously treating the problems of (i) interfacial electron/hole transfer between finite, variable size nanoparticles and electron scavenging molecules, and (ii) high-energy electronic transitions (Auger transitions) that mediate multi-exciton decay in quantum dots. Electronic structure results are described for CdSe quantum dots of various sizes. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- Alexey L Kaledin
- Cherry L. Emerson Center for Scientific Computation and Department of Chemistry, Emory University, Atlanta, 30322, Georgia
| | - Craig L Hill
- Cherry L. Emerson Center for Scientific Computation and Department of Chemistry, Emory University, Atlanta, 30322, Georgia
| | - Tianquan Lian
- Cherry L. Emerson Center for Scientific Computation and Department of Chemistry, Emory University, Atlanta, 30322, Georgia
| | - Djamaladdin G Musaev
- Cherry L. Emerson Center for Scientific Computation and Department of Chemistry, Emory University, Atlanta, 30322, Georgia
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21
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Zhao D, Zhou Y, Deng Y, Xiang Y, Zhang Y, Zhao Z, Zeng D. A Novel and Reusable RGO/ZnO with Nanosheets/Microparticle Composite Photocatalysts for Efficient Pollutants Degradation. ChemistrySelect 2018. [DOI: 10.1002/slct.201801609] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Dawei Zhao
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
| | - Yi Zhou
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
| | - Yuehong Deng
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
| | - Ye Xiang
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
| | - Ya Zhang
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
| | - Zhen Zhao
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
| | - Dandan Zeng
- Department of Chemistry and Biological EngineeringChangsha University of Science and Technology Changsha 410114 China
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22
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Park JW, Subramanian A, Mahadik MA, Lee SY, Choi SH, Jang JS. Insights into the enhanced photoelectrochemical performance of hydrothermally controlled hematite nanostructures for proficient solar water oxidation. Dalton Trans 2018; 47:4076-4086. [DOI: 10.1039/c7dt04536k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A controlled hydrothermal reaction time showed an improvement in the PEC performance of 1D α-Fe2O3 nanorods due to an optimum aspect ratio and Sn4+ diffusion.
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Affiliation(s)
- Jin Woo Park
- Division of Biotechnology
- Safety
- Environment and Life Science Institute
- College of Environmental and Bioresource Sciences
- Chonbuk National University
| | - Arunprabaharan Subramanian
- Division of Biotechnology
- Safety
- Environment and Life Science Institute
- College of Environmental and Bioresource Sciences
- Chonbuk National University
| | - Mahadeo A. Mahadik
- Division of Biotechnology
- Safety
- Environment and Life Science Institute
- College of Environmental and Bioresource Sciences
- Chonbuk National University
| | - Su Yong Lee
- Pohang Accelerator Laboratory (PAL)
- Pohang University of Science and Technology (POSTECH)
- Pohang 37673
- Republic of Korea
| | - Sun Hee Choi
- Pohang Accelerator Laboratory (PAL)
- Pohang University of Science and Technology (POSTECH)
- Pohang 37673
- Republic of Korea
| | - Jum Suk Jang
- Division of Biotechnology
- Safety
- Environment and Life Science Institute
- College of Environmental and Bioresource Sciences
- Chonbuk National University
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23
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Liu C, Wu P, Wu K, Meng G, Wu J, Hou J, Liu Z, Guo X. Advanced bi-functional CoPi co-catalyst-decorated g-C3N4 nanosheets coupled with ZnO nanorod arrays as integrated photoanodes. Dalton Trans 2018; 47:6605-6614. [DOI: 10.1039/c7dt02459b] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, a CoPi-decorated type II heterojunction composed of one-dimensional (1D) ZnO nanorod arrays (NRAs) coated with two-dimensional (2D) carbon nitride (g-C3N4) was successfully prepared and used as photoanode.
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Affiliation(s)
- Chang Liu
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
| | - Pengcheng Wu
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
| | - Keliang Wu
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
| | - Guihua Meng
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
| | - Jianning Wu
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
| | - Juan Hou
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
- College of Science/Key Laboratory of Ecophysics and Department of Physics of Xinjiang Bingtuan
| | - Zhiyong Liu
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
| | - Xuhong Guo
- School of Chemistry and Chemical Engineering
- Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Bingtuan
- Shihezi
- PR China
- State Key Laboratory of Chemical Engineering
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24
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Zhang Y, Wang X, Dong P, Huang Z, Nie X, Zhang X. TiO2 surfaces self-doped with Ag nanoparticles exhibit efficient CO2 photoreduction under visible light. RSC Adv 2018; 8:15991-15998. [PMID: 35542239 PMCID: PMC9080106 DOI: 10.1039/c8ra02362j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 04/25/2018] [Indexed: 02/01/2023] Open
Abstract
Doping with intrinsic defects to enhance the photocatalytic performance of TiO2 has recently attracted attention from many researchers. In this report, we developed an original approach to realise stabilized surface doping using intrinsic defects with the loading of Ag nanoparticles (AgNPs) on the surface. Herein, atmospheric pressure dielectric barrier discharge (DBD) cold plasma was used to help load the AgNPs, and ethanol treatment was used to introduce intrinsic defects (oxygen vacancies and Ti3+) on the surface of materials. This method avoids environmentally hazardous reducing regents and is undertaken under atmospheric pressure, thus reducing energy-consuming and complex operation. We combine the advantages of noble metal nanoparticles and surface doping to enhance the photocatalytic performance under the visible light. The characterization of the materials indicates that the loading of AgNPs and introduction of intrinsic defects can change the electronic structure of the composite material and improve its efficiency. The samples show significant enhancement in CO2 photoreduction to obtain CO and CH4, with yields reaching 141 μmol m−2 and 11.7 μmol m−2, respectively. The formation mechanism of the method for TiO2 modification and CO2 reduction is also discussed. It is a simple process of realizing Ag nanoparticles deposition and TiO2 self-doping, which can promote the photocatalytic performance.![]()
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Affiliation(s)
- Yanzhao Zhang
- State Key Laboratory of Silicon Materials Science
- School of Material Science & Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Xiya Wang
- State Key Laboratory of Silicon Materials Science
- School of Material Science & Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Peimei Dong
- State Key Laboratory of Silicon Materials Science
- School of Material Science & Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Zhengfeng Huang
- State Key Laboratory of Silicon Materials Science
- School of Material Science & Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Xiaoxiao Nie
- State Key Laboratory of Silicon Materials Science
- School of Material Science & Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Xiwen Zhang
- State Key Laboratory of Silicon Materials Science
- School of Material Science & Engineering
- Zhejiang University
- Hangzhou
- P. R. China
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25
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Wang J, Li Y, Qiao Y, Yu G, Wu J, Wu X, Qin W, Xu L. Visible light-enhanced thermal decomposition performance of ammonium perchlorate with a metal–organic framework-derived Ag-embedded porous ZnO nanocomposite. NEW J CHEM 2018. [DOI: 10.1039/c8nj04143a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An Ag-embedded porous ZnO nanocomposite (Ag–ZnO NC) fabricated using an MOF exhibits high catalytic activity for the thermal decomposition of AP under the assistance of visible light.
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Affiliation(s)
- Jingfeng Wang
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Yang Li
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Yadong Qiao
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Guangzhi Yu
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Jinzhu Wu
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Xiaohong Wu
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Wei Qin
- Shanghai Institute of Satellite Engineering
- Shanghai
- China
| | - Liang Xu
- School of Materials Science and Engineering
- Harbin Institute of Technology
- Harbin
- China
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26
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Yang L, Sang Q, Du J, Yang M, Li X, Shen Y, Han X, Jiang X, Zhao B. A Ag synchronously deposited and doped TiO2 hybrid as an ultrasensitive SERS substrate: a multifunctional platform for SERS detection and photocatalytic degradation. Phys Chem Chem Phys 2018; 20:15149-15157. [DOI: 10.1039/c8cp01680a] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We proposed a Ag synchronously deposited and doped TiO2 hybrid as a dual-function platform for ultrasensitive SERS detection and efficient photocatalytic degradation.
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Affiliation(s)
- Libin Yang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Qinqin Sang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Juan Du
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Ming Yang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Xiuling Li
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Yu Shen
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Xiaoxia Han
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Xin Jiang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- People's Republic of China
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27
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Premkumar S, Nataraj D, Bharathi G, Khyzhun OY, Thangadurai TD. Interfacial Chemistry-Modified QD-Coupled CdTe Solid Nanowire and Its Hybrid with Graphene Quantum Dots for Enhanced Photocurrent Properties. ChemistrySelect 2017. [DOI: 10.1002/slct.201702352] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Sellan Premkumar
- Low Dimensional Materials Laboratory; Department of Physics; Bharathiar University; Coimbatore, Tamil Nadu India
| | - Devaraj Nataraj
- Low Dimensional Materials Laboratory; Department of Physics; Bharathiar University; Coimbatore, Tamil Nadu India
- UGC-CPEPA Centre for Advanced Studies in Physics for the development of Solar Energy Materials and Devices, Department of Physics; Bharathiar University; Coimbatore, Tamil Nadu India
| | - Ganapathi Bharathi
- Low Dimensional Materials Laboratory; Department of Physics; Bharathiar University; Coimbatore, Tamil Nadu India
| | - Oleg Yu Khyzhun
- Department of Structural Chemistry of Solids; Frantsevych Institute for Problems of Materials Science; National Academy of Sciences of Ukraine; 3 Krzhyzhanivsky Street UA-03142 Kyiv Ukraine
| | - T. Daniel Thangadurai
- Department of Nanoscience and Technology; Sri Ramakrishna Engineering College; Coimbatore, Tami Nadu India
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28
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Fronzi M, Nolan M. Surface Modification of Perfect and Hydroxylated TiO 2 Rutile (110) and Anatase (101) with Chromium Oxide Nanoclusters. ACS OMEGA 2017; 2:6795-6808. [PMID: 31457267 PMCID: PMC6645235 DOI: 10.1021/acsomega.7b01118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 09/25/2017] [Indexed: 06/10/2023]
Abstract
We use first-principles density functional theory calculations to analyze the effect of chromia nanocluster modification on TiO2 rutile (110) and anatase (101) surfaces, in which both dry/perfect and wet/hydroxylated TiO2 surfaces are considered. We show that the adsorption of chromia nanoclusters on both surfaces is favorable and results in a reduction of the energy gap due to a valence band upshift. A simple model of the photoexcited state confirms this red shift and shows that photoexcited electrons and holes will localize on the chromia nanocluster. The oxidation states of the cations show that Ti3+, Cr4+, and Cr2+ (with no Cr6+) can be present. To probe potential reactivity, the energy of oxygen vacancy formation is shown to be significantly reduced compared to that of pure TiO2 and chromia. Finally, we show that inclusion of water on the TiO2 surface, to begin inclusion of environment effects, has no notable effect on the energy gap or oxygen vacancy formation. These results help us to understand earlier experimental work on chromia-modified anatase TiO2 and demonstrate that chromia-modified TiO2 presents an interesting composite system for photocatalysis.
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Wang X, Li P, Han XX, Kitahama Y, Zhao B, Ozaki Y. An enhanced degree of charge transfer in dye-sensitized solar cells with a ZnO-TiO 2/N3/Ag structure as revealed by surface-enhanced Raman scattering. NANOSCALE 2017; 9:15303-15313. [PMID: 28805870 DOI: 10.1039/c7nr03839a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A number of recent studies have focused on improving the performance of dye-sensitized solar cells (DSSCs). Cells with a ZnO-TiO2/N3/Ag structure have attracted particular attention because of their excellent power conversion efficiencies. Using a dendritic crystal ZnO-TiO2 composite semiconductor and Ag in conjunction leads to different charge-transfer (CT) processes, and this is the main theoretical basis for the improvement of DSSC performances. Thus, in the present study, TiO2/N3, ZnO/N3, ZnO-TiO2/N3, TiO2/N3/Ag, ZnO/N3/Ag, and ZnO-TiO2/N3/Ag assemblies have been fabricated and their CT processes have been monitored by using surface-enhanced Raman scattering (SERS) spectra, with particular focus on the differences caused by the synergistic effect of the ZnO-TiO2 component. The dye loading capacity of the dendritic crystal ZnO-TiO2 is much larger than that of TiO2. There are extra enhancements in the SERS intensity and degree of CT (ρCT) in ZnO-TiO2/N3 compared to ZnO + TiO2/N3 (based on a simulation curve for the physically mixed TiO2 and ZnO semiconductors) with 476.5 nm excitation due to the synergistic effect of the ZnO-TiO2 component. And these enhancements in ZnO-TiO2/N3/Ag compared to ZnO + TiO2/N3/Ag appear with 476.5 and 532 nm excitation, which are particularly large with 532 nm excitation. Accordingly, the participation of Ag in this synergistic effect can reduce its energy threshold, which will make it easier to appear. Finally, to rationalize these extra enhancements, the models describing the CT mechanism have been proposed. Thus, the use of the dendritic crystal ZnO-TiO2 composite semiconductor in the semiconductor/N3/Ag system can improve the adsorption capacity of N3 compared to that with TiO2. Meanwhile, the synergistic effect of ZnO-TiO2 and Ag can promote the CT process, demonstrating that ZnO-TiO2/N3/Ag is an excellent structure for DSSCs.
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Affiliation(s)
- Xiaolei Wang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, P. R. China.
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Chang IY, Kim D, Hyeon-Deuk K. Control of Multiple Exciton Generation and Electron-Phonon Coupling by Interior Nanospace in Hyperstructured Quantum Dot Superlattice. ACS APPLIED MATERIALS & INTERFACES 2017; 9:32080-32088. [PMID: 28838230 DOI: 10.1021/acsami.7b08137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The possibility of precisely manipulating interior nanospace, which can be adjusted by ligand-attaching down to the subnanometer regime, in a hyperstructured quantum dot (QD) superlattice (QDSL) induces a new kind of collective resonant coupling among QDs and opens up new opportunities for developing advanced optoelectric and photovoltaic devices. Here, we report the first real-time dynamics simulations of the multiple exciton generation (MEG) in one-, two-, and three-dimensional (1D, 2D, and 3D) hyperstructured H-passivated Si QDSLs, accounting for thermally fluctuating band energies and phonon dynamics obtained by finite-temperature ab initio molecular dynamics simulations. We computationally demonstrated that the MEG was significantly accelerated, especially in the 3D QDSL compared to the 1D and 2D QDSLs. The MEG acceleration in the 3D QDSL was almost 1.9 times the isolated QD case. The dimension-dependent MEG acceleration was attributed not only to the static density of states but also to the dynamical electron-phonon couplings depending on the dimensionality of the hyperstructured QDSL, which is effectively controlled by the interior nanospace. Such dimension-dependent modifications originated from the short-range quantum resonance among component QDs and were intrinsic to the hyperstructured QDSL. We propose that photoexcited dynamics including the MEG process can be effectively controlled by only manipulating the interior nanospace of the hyperstructured QDSL without changing component QD size, shape, compositions, ligand, etc.
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Affiliation(s)
- I-Ya Chang
- Department of Chemistry, Kyoto University , Kyoto 606-8502, Japan
- PRESTO, Japan Science and Technology Agency , 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - DaeGwi Kim
- Department of Applied Physics, Osaka City University , Osaka 558-8585, Japan
| | - Kim Hyeon-Deuk
- Department of Chemistry, Kyoto University , Kyoto 606-8502, Japan
- PRESTO, Japan Science and Technology Agency , 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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Han Q, Zheng H, Wu M. Designing Metal‐Sulfide‐Sphere Counter‐Electrode Catalysts for ZnO‐Nanorod‐Array‐Based Quantum‐Dot‐Sensitized Solar Cells. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700595] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Qianji Han
- College of Chemistry and Material Science Key Laboratory of Inorganic Nanomaterials of Hebei Province Hebei Normal University No. 20 Rd. East of 2nd Ring South, Yuhua District 050024 Shijiazhuang City Hebei Province P. R. China
| | - Haikuo Zheng
- College of Chemistry and Material Science Key Laboratory of Inorganic Nanomaterials of Hebei Province Hebei Normal University No. 20 Rd. East of 2nd Ring South, Yuhua District 050024 Shijiazhuang City Hebei Province P. R. China
| | - Mingxing Wu
- College of Chemistry and Material Science Key Laboratory of Inorganic Nanomaterials of Hebei Province Hebei Normal University No. 20 Rd. East of 2nd Ring South, Yuhua District 050024 Shijiazhuang City Hebei Province P. R. China
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Cheng X, Dong P, Huang Z, Zhang Y, Chen Y, Nie X, Zhang X. Green synthesis of plasmonic Ag nanoparticles anchored TiO 2 nanorod arrays using cold plasma for visible-light-driven photocatalytic reduction of CO 2. J CO2 UTIL 2017. [DOI: 10.1016/j.jcou.2017.04.009] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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