4.8 Article

Single-Crystalline CdS Nanobelts for Excellent Field-Emitters and Ultrahigh Quantum-Efficiency Photodetectors

期刊

ADVANCED MATERIALS
卷 22, 期 29, 页码 3161-+

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WILEY-BLACKWELL
DOI: 10.1002/adma.201000144

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资金

  1. International Center for Materials Nanoarchitectonics (MANA), NIMS, Japan
  2. National Natural Science Foundation of China [10774007]
  3. National Basic Research Program of China [2006CB921607, 2007CB613402]
  4. JSPS

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Single-crystalline CdS nanobelts demonstrate excellent field-emission properties for the first time. Individual CdS nanobelts are assembled for high-performance visible-light photodetectors with an ultrafast response time of similar to 20 mu s and ultrahigh quantum efficiency of 1.9 x 10(7)%. The results suggest a high potential of utilizing these CdS nanobelts as optoelectronic nanodevices.

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