Cadmium sulfide nanoparticles have been synthesized using mercaptoethanol as a capping agent. A refined analysis of the powder X-ray diffraction by Debye function analysis shows that the as synthesized material consists of both similar to 50 wt % hexagonal wurtzite-type nanoparticles of about 2 nn and larger cubic sphalerite-type particles of about 2.6 nm, respectively. Both species have also been identified by high resolution electron microscopy, some of them show multiply twinning with Ei-fold decahedral symmetry. The thermal stability of these nanoparticles is surprisingly high under He. The total mass-averaged size. increases from 2.3 nn (as synthesized) to 3.2 nm after exposure to 315 degrees C in helium for 12 min. However, both polymorphs are still present. Heavy sintering occurs only above similar to 380 degrees C, leading to wurtzite particles of 41 nn on average. These particles are strongly faulted by hexagonal (001) stacking faults (faulting probability = 1.1%)but show negligible twin defects. After synthesis, the particles show the optical absorption peaks at similar to 400 nm. The related optical band gap of 3.1 eV is in excellent agreement with the theoretical tight-binding approximation of Lippens and Lannoo for CdS particles of this size.
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ECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCEECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCE
FROMENT, M
LINCOT, D
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ECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCEECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCE
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MAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANYMAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANY
GNUTZMANN, V
VOGEL, W
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MAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANYMAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANY
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
KHOSRAVI, AA
KUNDU, M
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
KUNDU, M
KURUVILLA, BA
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
KURUVILLA, BA
SHEKHAWAT, GS
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
SHEKHAWAT, GS
GUPTA, RP
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
GUPTA, RP
SHARMA, AK
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
SHARMA, AK
VYAS, PD
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
VYAS, PD
KULKARNI, SK
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
机构:
ECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCEECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCE
FROMENT, M
LINCOT, D
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h-index: 0
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ECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCEECOLE NATL SUPER CHIM,ELECTROCHIM & CHIM ANALYT LAB,F-75231 PARIS 05,FRANCE
机构:
MAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANYMAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANY
GNUTZMANN, V
VOGEL, W
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MAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANYMAX PLANCK GESELL,FRITZ HABER INST,DEPT SURFACE PHYS,FARADAYWEG 4-6,W-1000 BERLIN 33,GERMANY
机构:
CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
KHOSRAVI, AA
KUNDU, M
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
KUNDU, M
KURUVILLA, BA
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
KURUVILLA, BA
SHEKHAWAT, GS
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
SHEKHAWAT, GS
GUPTA, RP
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
GUPTA, RP
SHARMA, AK
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
SHARMA, AK
VYAS, PD
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA
VYAS, PD
KULKARNI, SK
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CENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIACENT ELECT ENGN RES INST,SOLID STATE DEVICES AREA,PILANI 333031,RAJASTHAN,INDIA