Abstract
Herein, platinum nanoparticles-decorated molybdenum disulfide (PtNPs@MoS2) nanocomposite has been synthesized via a microwave-assisted hydrothermal method, which was characterized by transmission electron microscopy (TEM) and powder X-ray diffraction (XRD). This MoS2-based nanocomposite modified glass carbon electrode (PtNPs@MoS2/GCE) exhibited excellent electrocatalytic activity toward dopamine (DA) and uric acid (UA) due to their synergistic effect. Two well-defined oxidation peaks of DA and UA were obtained at PtNPs@MoS2/GCE with a large peak separation of 160 mV (DA-UA), suggesting that the modified electrode could individually or simultaneously analyze DA and AA. Under the optimal conditions, the peak currents of DA and UA were linearly dependent on their concentrations in the range of 0.5–150 and 5–1000 µmol/L with detection limit of 0.17 and 0.98 µmol/L, respectively. The proposed MoS2-based sensor can also be employed to examine DA and UA in real samples with satisfactory results. Therefore, the PtNPs@MoS2 nanocomposite might offer a good possibility for electrochemical sensing and other electrocatalytic applications.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
Noroozifar M, Khorasani-Motlagh M, Akbari R, Parizi MB. Biosens Bloelectron, 2011, 28: 56–63
Sheng ZH, Zheng XQ, Xu JY, Bao WJ, Wang FB, Xia XH. Biosens Bioelectron, 2012, 34: 125–131
Sun CL, Lee HH, Yang JM, Wu CC. Biosens Bioelectron, 2011, 26: 3450–3455
Zhang Y, Xia Z, Liu H, Yang MT, Lin LL, Li QZ. Sens Actuator B: Chem, 2013, 188: 496–501
Nowall WB, Kuhr WG. Anal Chem, 1995, 67: 3583–3588
Popa E, Notsu H, Miwa T, Tryk DA, Fujishima A. Electrochem Solid- State Lett, 1999, 2: 49–51
Weng J, Xue JM, Wang J, Ye JS, Cui HF, Sheu FS, Zhang QQ, Wang J. Adv Funct Mater, 2005, 15: 639–647
Zhang YZ, Su S, Pan Y, Zhang LP, Cai YJ. Annali Di Chimica, 2007, 8: 665–674
Xu TQ, Zhang QL, Zheng JN, Lv ZY, Wei J, Wang AJ, Lv ZY, Wei J, Wang A J, Feng JJ. Electrochimca Acta, 2014, 115: 109–115
Zhou M, Zhai YM, Dong SJ. Anal Chem, 2009, 81: 5603–5613
Su S, Wei XP, Guo YY, Zhong YL, Su YY, Huang Q, Fan CH, He Y. Part Part Syst Charact, 2013, 30: 326–331
Ardakani MM, Talebi A, Naeimi H, Barzoky MN, Taghavinia N. J Solid State Electrchem, 2009, 13: 1433–1440
Huang X, Zeng ZY, Zhang H. Chem Soc Rev, 2013, 42: 1934–1946
Li H, Wu J, Yin ZY, Zhang H. Accounts Chem Res, 2014, 47: 1067–1075
Huang X, Tan CL, Yin ZY, Zhang H. Adv Mater, 2014, 26: 2185–2204
Zhao J, Zhang Z, Yang S, Zheng H, Li Y. J Alloy Compd, 2013, 559: 87–91
Tan CL, Zhang H. Chem Soc Rev, 2015, 44: 2713–2731
Wang JZ, Lu L, Lotya M, Coleman JN, Chou SL, Liu HK, Minett AI, Chen J. Adv Energy Mater, 2013, 3: 798–805
Zeng ZY, Yin ZY, Huang X, Li H, He QY, Lu G, Zhang H. Angew Chem Int Ed, 2011, 50: 11093–11097
Chen Y, Tan CL, Zhang H, Wang LZ. Chem Soc Rev, 2015, 44: 2681–2701
Wu SX, Zeng ZY, He QY, Wang ZJ, Wang SJ, Du YP, Yin ZY, Su XP, Chen W, Zhang H. Small, 2012, 8: 2264–2270
Zhu C, Zeng Z, Li H, Li F, Fan C, Zhang H. J Am Chem Soc, 2013, 135: 5998–6001
Wang XX, Nan FX, Zhao JL, Yang T, Ge T, Jiao K. Biosens Bioelectron, 2015, 64: 386–391
Huang X, Zeng ZY, Bao SY, Wang MF, Qi XY, Fan ZX, Zhang H. Nat Commun, 2013, 4: 1444
Yuwen LH, Xu F, Xue B, Luo ZM, Zhang Q, Bao BQ, Su S, Weng LX, Huang W, Wang LH. Nanoscale, 2014, 6: 5762–5769
Su S, Sun HF, Xu F, Yuwen LH, Wang LH. Electroanalysis, 2013, 25: 2523–2529
Su S, Sun HF, Xu F, Yuwen LH, Fan CH, Wang LH. Microchim Acta, 2014, 181: 1497–1503
Su S, Zhang C, Yuwen LH, Chao J, Zuo XL, Liu XF, Song CY, Fan CH, Wang LH. ACS Appl Mater Interface, 2014, 6: 18735–18741
Sun HF, Chao J, Zuo XL, Su S, Liu XF, Yuwen LH, Fan CH, Wang LH. RSC Adv, 2014, 4: 27625–27629
Radisavljevic B, Radenovic A, Brivio J, Giacometti V, Kis A. Nat Nanotechnol, 2011, 6: 147–150
Lee C, Yan H, Brus LE, Heinz TF, Hone J, Ryu S. ACS Nano, 2010, 4: 2695–2700
Rao BG, Matte HR, Rao C. J Clust Sci, 2012, 23: 929–937
Liu S, Wang JQ, Zeng J, Ou JF, Li ZP, Liu XH, Yang SR. J Power Sources, 2010, 195: 4628–4633
Ghoreishi SM, Behpour M, Fard MHM. J Solid State Electrchem, 2012, 16: 179–189
Lin KC, Tsai TH, Chen SM. Biosens Bioelectron, 2010, 26: 608–614
Yang X, Feng B, He XL, Li FP, Ding YL, Fei JJ. Microchim Acta, 2013, 180: 935–956
Author information
Authors and Affiliations
Corresponding authors
Electronic supplementary material
Rights and permissions
About this article
Cite this article
Chao, J., Han, X., Sun, H. et al. Platinum nanoparticles supported MoS2 nanosheet for simultaneous detection of dopamine and uric acid. Sci. China Chem. 59, 332–337 (2016). https://doi.org/10.1007/s11426-015-5492-9
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11426-015-5492-9