Electric, Thermoelectric and Magnetic Properties of Nickel(II) Imine Nanocomplexes

다국어 초록 (Multilingual Abstract)

Production of novel organic semiconductor nanomaterials is essential for enabling the development of personal, portable and flexible electronic modules. This work presents Ni(II)-Schiff base complexes with enhanced Seebeck coefficient and weak ferromagnetic ordering for thermoelectric and magnetic devices. Four Ni(II)-Schiff base complexes (namely [Ni(C12H10N3O4Br)] · 2H2O, [Ni(C16H11N3O4] · 2H2O, [Ni(C21H14N5O8Br)] and [Ni(C25H17N5O8)] · 1/2H2O) have been synthesized in nanosized dimensions. The electrical and thermoelectric properties have been studied, and comprehensive discussions have been presented to understand the electrical conduction mechanisms. The electrical conductivity measurements reveal that the conduction is due to the charge carriers hoping between the atomic sites of the same energy levels in the molecule as well as the transfer of the charge carriers between the neighboring complex molecules due to overlapping of their orbitals. The thermoelectric measurement confirms that the nanocomplexes (NCs) are non-degenerate P-type semiconductors with enhanced Seebeck coefficient values compared with those reported for other organic materials. The NCs exhibit antiferromagnetic to paramagnetic transitions with the increase of temperature and weak ferromagnetic ordering at 300 K.

참고문헌 (Reference)

1 M. Layek, 1036 : 422-, 2013

2 E. M. M. Ibrahim, 14 : 1118-, 2012

3 A. M. Abu-Dief, 4 : 119-, 2015

4 L. H. Abdel-Rahman, 146 : 1373-, 2016

5 L. H. Abdel-Rahman, 1134 : 851-, 2017

6 D. Baudouin, 297 : 27-, 2013

7 R. K. Dani, 65 : 31-, 2013

8 S. Sarkar, 88 : 357-, 2004

9 N. Bayal, 15 : 2066-, 2013

10 M. Tadic, 586 : 322-, 2014

11 S. Saravanakumar, 68 : 788-, 2014

12 K. Karthik, 509 : 181-, 2011

13 B. J. Simmons, 6 : 3176-, 2016

14 H. Xu, 138 : 4779-, 2016

15 Y. Xiao, 27 : 2013-, 2016

16 A. P. Mishra, 2 : 51-, 2010

17 A. M. Asiri, 12 : 1796-, 2007

18 E. M. M. Ibrahim, 99 : 103-, 2018

19 M. A. Neelakantan, 72 : 216-, 2010

20 A. A. M. Belal, 149 : 771-, 2015

21 A. K. S. Gupta, 3 : 1013-, 2012

22 A. N. M. A. Alaghaz, 1087 : 60-, 2015

23 G. Grivani, 1072 : 77-, 2014

24 A. D. Khalaji, 115 : 409-, 2014

25 L. H. Abdel Rahman, 1 : 79-, 2015

26 L. H. Abdel-Rahman, 69 : 140-, 2016

27 L. H. Abdel-Rahman, 170 : 271-, 2017

28 L. H. Abdel-Rahman, 117 : 366-, 2014

29 J. E. Kovacic, 23 : 183-, 1967

30 E. Q. Castro, 19 : 1479-, 2000

31 O. A. El-Gammal, 135 : 227-, 2015

32 A. N. Alaghaz, 1082 : 62-, 2015

33 L. H. Abdel-Rahman, 2 : 83-, 2016

34 D. Ramakrishna, 11 : 498-, 2010

35 W. Jamil,

36 S. Brooker, 22 : 665-, 2003

37 K. Naresh Kumar, 24 : 1885-, 2005

38 L. H. Abdel-Rahman, 1103 : 232-, 2016

39 Z. W. Zhao, 4 : 861-, 2004

40 Y. T. Li, 17 : 1423-, 1998

41 M. Asadi, 136 : 625-, 2015

42 H. A. El-Asmy, 441 : 20-, 2016

43 M. A. Awad, 41 : 10116-, 2015

44 M. G. Abd Elwahed, 127 : 1115-, 1996

45 L. H. Abdel Rahman, 32 : e4174-, 2018

46 S. A. Ahmed, 85 : 177-, 2006

47 M. M. Ibrahim, 429 : 19-, 2007

48 E. M. M. Ibrahim, 192 : 41-, 2017

49 E. M. M. Ibrahim, 93 : 055801-, 2018

50 L. H. Abdel-Rahman, 162 : 298-, 2016

51 M.-T. Chang, 19 : 2290-, 2007

52 S. A. Saleh, 21 : 187-, 2008

53 S. A. Saleh, 20 : 372-, 2007

54 H. Sato, 236 : 27-, 1993

55 J. Li, 3 : 2693-, 2015

56 C. Gao, 4 : 11299-, 2016

57 T. Jaumann, 19 : 228-, 2013

58 E. M. M. Ibrahim, 113 : 154301-, 2013

59 P. M. Ponnusamy, 114 : 166-, 2016

60 E. M. M. Ibrahim, 63 : 358-, 2013

61 J. L. Dormann, 202 : 251-, 1999

62 F. Gutmann, "Organic Semiconductors" John Wiley Sons Inc. 1967