화학공학소재연구정보센터
Korean Journal of Chemical Engineering, Vol.33, No.10, 2990-2997, October, 2016
Synthesis and characterization of silver nanoparticles via green route
E-mail:
The development of competent green chemistry methods for synthesis of metal nanoparticles has become a main focus of researchers. In this study we report the green synthesis of silver nanoparticles (AgNps) by reduction of silver nitrate, using leaf broth of Azadirakta indica (Neem). The plant leaf broth simultaneously acts as reducing agent as well as capping agent at 30 ℃. The effect of different concentration of silver ions, percentage of leaf broth and temperature on morphology of dispersed silver nanoparticles was studied. The formation of silver nanoparticles in dispersion was monitored through the analysis of absorbance spectra by UV-Visible spectrophotometer at different stages during the process of synthesis. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis revealed that silver nanoparticles were pure and monodispersed and size was ranging from 9-56 nm. Fourier transform infrared (FTIR) analysis indicates prominent bands of absorbance, which are responsible for reducing of Ag+ ions and stabilization of obtained silver nanoparticles. Results confirmed this protocol as simple, rapid, cost effective, eco-friendly and alternative conventional physical/chemical methods.
  1. Hussain I, Brust M, Papworth AJ, Cooper AI, Langmuir, 19(11), 4831 (2003)
  2. Sharma VK, Yngard RA, Lin Y, Adv. Colloid Interface Sci., 145, 83 (2009)
  3. Okuda M, Kobayashi Y, Suzuki K, Sonoda K, Kondoh T, Wagawa A, Kondo A, Yoshimura H, Nano Lett., 5, 991 (2005)
  4. Jiang HQ, Manolache S, Wong ACL, Denes FS, J. Appl. Polym. Sci., 93(3), 1411 (2004)
  5. Bhattacharya R, Murkherjee P, Adv. Drug Deliv. Rev., 60, 1289 (2008)
  6. Bhumkar DR, Joshi HM, Sastry M, Pokharkar VB, Pharm. Res., 24, 1415 (2007)
  7. Sun Y, Yin Y, Mayers BT, Herricks T, Xia Y, Chem. Mater., 14, 4736 (2002)
  8. Yin BS, Ma HY, Wang SY, Chen SH, J. Phys. Chem. B, 107(34), 8898 (2003)
  9. Dimitrijevic NM, Bartels DM, Jonah CD, Takahashi K, Rajh T, J. Phys. Chem. B, 105(5), 954 (2001)
  10. Callegari A, Tonti D, Chergui M, Nano Lett., 3, 1565 (2003)
  11. Klaus T, Joerger R, Olsson E, Granqvist CG, Proc. Natl. Acad. Sci. U.S.A., 96, 13611 (1999)
  12. Konishi Y, Ohno K, Saitoh N, Nomura T, Nagamine S, Hishida H, Takahashi Y, Uruga T, J. Biotechnol., 128, 648 (2007)
  13. Nair B, Pradeep T, Cryst. Growth Des., 2, 293 (2002)
  14. Willner I, Baron R, Willner B, Adv. Mater., 18(9), 1109 (2006)
  15. Shankar SS, Rai A, Ahmad A, Sastry M, J. Colloid Interface Sci., 275(2), 496 (2004)
  16. Chandran SP, Chaudhary M, Pasricha R, Ahmad A, Sastry M, Biotechnol. Prog., 22(2), 577 (2006)
  17. Krishnaraj C, Jagan EG, Rajasekar S, Selvakumar P, Kalaichelvan PT, Mohan N, Colloids Surf. B: Biointerfaces, 76, 50 (2010)
  18. Veerasamy R, Xin TZ, Gunasagaran S, Xiang TFW, Yang EFC, Jeyakumar N, Dhanaraj SA, J. Saudi. Chem. Soc., 15, 113 (2010)
  19. Koul O, Isman MB, Ketkar CM, Can. J. Bot., 68, 1 (1990)
  20. Shukla VK, Pandey S, Pandey AC, Green synthesis of silver nanoparticles using neem leaf (Azadirachta indica) extract. (2010) In: Proceedings of International Conference on Advanced Nanomaterials and Nanotechnology, ICANN 2009, Guwahati, Assam (India). 9.11 December 2009.
  21. Namratha N, Monica PV, Asian J. Pharm. Tech., 3, 170 (2013)
  22. Lalitha A, Subbaiya R, Ponmurugan P, Int. J. Curr. Microbiol. Appl. Sci., 2, 228 (2013)
  23. Banerjee P, Satapathy M, Mukhopahayay A, Das P, Bioresour. Bioprocessing, 1, 1 (2014)
  24. Klaus T, Joerger R, Olsson E, Granqvist CG, Trends Biotechnol., 19, 15 (2001)
  25. Mukherjee P, Ahmad A, Mandal D, Senapati S, Sainkar SR, Khan MI, Parischa R, Ajayakumar PV, Alam M, Kumar R, Sastry M, Nano Lett., 1, 515 (2001)
  26. Kim KD, Han DN, Kim HT, Chem. Eng. J., 104(1-3), 55 (2004)
  27. Vanaja V, Paulkumar K, Baburaja M, Rajeshkumar S, Gnanajobitha G, Malarkodi C, Sivakavinesan M, Annadurai G, Bioinorg. Chem. Appl., Article ID 742346, 8 (2014)
  28. Song JY, Kim BS, Bioprocess. Biosyst. Eng., 32, 79 (2009)
  29. Hussain JI, Kumar S, Hashmi AA, Khan Z, Adv. Mater. Lett., 2, 188 (2011)
  30. Garg HS, Bhakuni DS, Hand book of African medicinal plants, CRC Press, London (1984).
  31. Siddiqui BS, Afshan F, Faizi GS, Naqvi SNH, Tariq RM, Phytochemistry, 53, 371 (2000)