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Alizarin-graphene nanocomposite for calibration-free and online pH monitoring of microbial fuel cell
Ma, Yaohong1,2; Xiao, Leilei3,4; Wei, Yunwei5; Kumar, P. Senthil6; Tan, Yang3; Li, Yiwei4; Zang, Hengchang1,2
Source PublicationCHEMOSPHERE
KeywordSensor Nanomaterial Online detection Wastewater Anaerobic digestion
Corresponding AuthorXiao, Leilei(llxiao@yic.ac.cn) ; Li, Yiwei() ; Zang, Hengchang()
AbstractMicrobial fuel cells (MFCs) are sensitive to acidity variations in both bioelectricity generation and biochemical digestion aspects, therefore online pH monitoring is of necessity to guarantee optimal function of MFCs. Present pH meters hardly fulfill this special need. In this work, we designed a novel voltammetric pH sensor based on electrochemically reduced graphene oxide (rGO) modified screen printed electrode. By surface doping of alizarin, good linearity of pH sensing over the range of 4.0-9.0 can be realized. Fast readout can be acquired within 15 s for each test. pH monitoring for artificial wastewater with inoculum of granular activated sludge in a MFC was successfully illustrated. Specially, it was verified that the performance was improved with alizarin doping due to the enhanced rGO surface proton diffusion. This approach provides an online, calibration-free and long stable pH monitoring method for the future MFC development.
Funding OrganizationKey Research and Development Program of Shandong Province (Major Science and Technology Innovation Project) ; Youth Innovation Promotion Association CAS ; National Natural Sci-ence Foundation of China ; Science, Education and In-dustry Integration Innovation Pilot Project of Qilu University ofTechnology (Shandong Academy of Sciences)
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000704918000011
Citation statistics
Document Type期刊论文
Corresponding AuthorXiao, Leilei; Li, Yiwei; Zang, Hengchang
Affiliation1.Shandong Univ, Cheeloo Coll Med, Sch Pharmaceut Sci, NMPA Key Lab Technol Res & Evaluat Drug Prod, Jinan 250012, Shandong, Peoples R China
2.Shandong Univ, Key Lab Chem Biol, Minist Educ, Jinan 250012, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
4.Qilu Univ Technol, Biol Inst, Shandong Acad Sci, Jinan 250103, Peoples R China
5.Dezhou Univ, Inst Biophys, Shandong Key Lab Biophys, Dezhou 253023, Shandong, Peoples R China
6.Sri Sivasubramaniya Nadar Coll Engn, Dept Chem Engn, Chennai 603110, Tamil Nadu, India
Recommended Citation
GB/T 7714
Ma, Yaohong,Xiao, Leilei,Wei, Yunwei,et al. Alizarin-graphene nanocomposite for calibration-free and online pH monitoring of microbial fuel cell[J]. CHEMOSPHERE,2022,287:7.
APA Ma, Yaohong.,Xiao, Leilei.,Wei, Yunwei.,Kumar, P. Senthil.,Tan, Yang.,...&Zang, Hengchang.(2022).Alizarin-graphene nanocomposite for calibration-free and online pH monitoring of microbial fuel cell.CHEMOSPHERE,287,7.
MLA Ma, Yaohong,et al."Alizarin-graphene nanocomposite for calibration-free and online pH monitoring of microbial fuel cell".CHEMOSPHERE 287(2022):7.
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