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Volumn 4, Issue 19, 2014, Pages 9842-9850

Slow colloidal growth of PbSe nanocrystals for facile morphology and size control

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EID: 84893906319     PISSN: None     EISSN: 20462069     Source Type: Journal    
DOI: 10.1039/c3ra46875e     Document Type: Article
Times cited : (26)

References (47)
  • 43
    • 0031490552 scopus 로고    scopus 로고
    • X = nπ/d, where n is an integer and d is the NS thickness. Since the bulk band gap is at the L point, where = π/a(1,1,1) and a is the bulk lattice constant, the projection of the wave vector of a bulk band-edge carrier in the X direction is π/a, and the quantization condition is automatically satisfied for a NS with a thickness d = na, i.e., for a thickness of an integer number of PbSe lattice constants. For 7 PbSe layers, tight-binding calculations suggest the bandgap of a NS of thickness 4.3 nm is not larger than 0.48 eV, but spectroscopic analysis reveals no bandgap in this region. This may be due to defects in the PbSe NSs (ref. 41)
    • I. Kang F. W. Wise J. Opt. Soc. Am. B 1997 14 1632 1646
    • (1997) J. Opt. Soc. Am. B , vol.14 , pp. 1632-1646
    • Kang, I.1    Wise, F.W.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.