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Titolo:
Synthesis, structure and optical limiting effect of two new nickel complexes containing strongly bound geometrically fixed multi-sulfur 1,2-dithiolene ligands showing remarkable near-IR absorption
Autore:
Bai, JF; Zuo, JL; Tan, WL; Ji, W; Shen, Z; Fun, HK; Chinnakali, K; Razak, IA; You, XZ; Che, CM;
Indirizzi:
Nanjing Univ, Inst Coordinat Chem, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 jing 210093, Peoples R China Natl Univ Singapore, Dept Phys, Singapore 119260, Singapore Natl Univ Singapore Singapore Singapore 119260 ngapore 119260, Singapore Univ Sains Malaysia, Sch Phys, Xray Crystallog Unit, George Town 11800, Malaysia Univ Sains Malaysia George Town Malaysia 11800 orge Town 11800, Malaysia Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong Univ Hong Kong Hong KongHong Kong ong, Dept Chem, Hong Kong, Hong Kong
Titolo Testata:
JOURNAL OF MATERIALS CHEMISTRY
fascicolo: 10, volume: 9, anno: 1999,
pagine: 2419 - 2423
SICI:
0959-9428(199910)9:10<2419:SSAOLE>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
DITHIOLENE COMPLEXES; CRYSTAL-STRUCTURES; METAL-COMPLEXES; NONLINEARITIES; MONOANION; CLUSTERS; DMIT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: You, XZ Nanjing Univ, Inst Coordinat Chem, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 093, Peoples R China
Citazione:
J.F. Bai et al., "Synthesis, structure and optical limiting effect of two new nickel complexes containing strongly bound geometrically fixed multi-sulfur 1,2-dithiolene ligands showing remarkable near-IR absorption", J MAT CHEM, 9(10), 1999, pp. 2419-2423

Abstract

Two new nickel complexes containing strongly bound multi-sulfur 1,2-dithiolene ligands, [NBu4][Ni(bddt)(2)] 1 and [Ni(bddt)(2)] 2 (bddt = 4a,5,6,7,8,8a-hexahydro-1,4-benzodithiin-2,3-dithiolate), have been synthesized and characterized by electrochemical measurements, IR and UV-VIS-NIR spectroscopies. The optical limiting properties of these nickel complexes have been determined with 32 ps laser pulses of 532 nm wavelength. The limiting thresholds of 1 and 2 are ca. 0.6 and 0.7 J cm(-2), respectively, which are comparable to that observed in C-60. Such results show that the nickel dithiolene complexes may be new candidates for optical limiting applications. In addition, the neutral complex [Ni(bddt)(2)] 2, which shows remarkable absorptionin the near-IR region (epsilon = 63 000 dm(3) mol(-1) cm(-1) at 1035 nm) and is an excellent candidate as a near-IR dye for Q-switching neodymium lasers, has been additionally characterized by X-ray diffraction.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 09:36:33