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| 1 | Modulating conductivity type of cuprous oxide(Cu2O) films on copper foil in aqueous solution by comproportionation显示文摘Cuprous oxide(Cu2O)is an attractive material for photoelectrochemical(PEC)hydrogen production or photovoltaic application,because of its appropriate band gap,low material cost and non-toxic.In this paper,Cu2O films were obtained by comproportionation in acid cupric sulfate solutions with varying concentrations of potassium nitrate.Photoelectrochemical and electrochemical experiments,such as zero-bias photocurrent responses,voltammograms,and Mott-Schottky measurements,show that the Cu2O films grown in low(≤0.75 mol dm^–3)and high(≥1.00 mol dm^–3)nitrate ion concentrations presented n-type and p-type conductivity,respectively.Open circuit potential and polarization behavior were monitored to investigate the mechanism of modulating conductivity type.Nitrate ions consume protons in the plating solution during comproportionation with different concentrations of nitrate ions creating different pH at the Cu2O/solution interface.This gradient leads to the transformation of Cu2Ofilms conductivity changing from n-type to p-type with increasing the concentration of nitrate ions in the plating solution.This method could be used to fabricate homojunction electrode on metal substrate for PEC hydrogen production or photoelectric application. | Changwei Tang Xiaohui Ning Jian Li Hui-Lin Guo Ying Yang | 2019 | Journal of Materials Science & Technology2019，35，8： | 1 |
| 2 | The Co-promotion effect of Mo and Nd on the activity and stability of sulfated zirconia-based solid acids in esterification显示文摘 | Kanghua Jiang Dongmei Tong Jinqiang Tang Ruili Song Changwei Hu | 2010 | Applied Catalysis A General2010，，1： | 1 |
| 3 | Study on the degradation in vitro of calcium polyphosphate for bone tissue engineering显示文摘 | Qiu Kai Wan Changxiu Tang Changwei | 2005 | Journal of Sichuan University (Engineering Science Edition)2005，37，1： | 1 |
| 4 | Silencing the EZH2 gene by RNA interference reverses the drug resistance of human hepatic multidrug-resistant cancer cells to 5-Fu显示文摘 | Yi Zhang Guangpu Liu Changwei Lin Guoqing Liao Bo Tang | 2013 | Life Sciences . 2013 (17-1)2013，，17： | 1 |
| 5 | The Antimicrobial Protein REG3A Regulates Keratinocyte Proliferation and Differentiation after Skin Injury显示文摘 | Yuping Lai Dongqing Li Changwei Li Beda Muehleisen Katherine A. Radek Hyun Jeong Park Ziwei Jiang Zhiheng Li Hu Lei Yanchun Quan Tian Zhang Yelin Wu Paul Kotol Shin Morizane Tissa R. Hata Keiji Iwatsuki Ce Tang Richard L. Gallo | 2012 | Immunity2012，，1： | 1 |
| 6 | Preparation of hollow-fiber nanofiltration membranes of high performance for effective removal of PFOA and high resistance to BSA fouling显示文摘Nanofiltration(NF)process has become one of the most promising technologies to remove micro-organic combined water pollution.Developing a NF membrane material with efficient separation for perfluorooctanoic acid(PFOA)combined pollution is highly desired,this manuscript targets this unmet need specifically.In this work,hydrophilic SiO_(2)nanoparticles with various contents blended with carboxylic multiwalled carbon nanotube were used to modify poly(m-phenylene isophthal amide)(SiO_(2)/CMWCNT/PMIA)hollow fiber NF membrane.The modified membrane with 0.1 wt%SiO_(2)doping exhibits way better fouling resistance with irreversible fouling ratio decreased dramatically from 18.7%to 2.3%,and the recovery rate of water flux increases significantly from 81.2%to 97.7%.The separation experiment results had confirmed that the modified membrane could improve the rejection from 97.2%to 98.6%for perfluorooctanoic acid(PFOA)and its combined pollution with bovine serum albumin(BSA).It is clear that this reported SiO_(2)/CMWCNT/PMIA hollow fiber NF membrane potentially could be applied in water treatment.This research also provides a theoretical basis for efficiently removal of PFOA and its combined pollution by NF membrane. | Wenjing Tang Yunyi Meng Bin Yang Dongyu He Yan Li Bojun Li Zheming Shi Changwei Zhao | 2022 | Journal of Environmental Sciences2022，34，12： | 0 |
| 7 | Time difference based measurement of ultrasonic cavitations in wastewater treatment显示文摘Intensity of cavitation is significant in ultrasonic wastewater treatment,but is complicated to measure.A time difference based method of ultrasonic cavitation measurement is proposed.The time differences at different powers of 495 kHz ultrasonic are measured in experiment in comparison with conductimetric method.Simulation results show that time difference and electrical conductivity are both approximately positive proportional to the ultrasonic power.The degradation of PNP solution verifies the availability in wastewater treatment by using ultrasonic. | 朱昌平 Wang Bin Liu Changwei Gong Runhang Liu Jing Ren Qinggong Han Qingbang Huang Bo Shan Minglei Tang Yibin Ni Caihua | 2016 | High Technology Letters2016，22，1： | 0 |
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