学科分类
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4 个结果
  • 简介:单个分子的梭连接是一个种nanoscale机电的通道系统。在这个连接,一个分子的岛震荡取决于它的充电职业,并且这充电依赖者摆动通过分子的岛导致电子通道的调整。这份报纸在单个分子的梭连接在当前的、射击噪音的学习和电子的decoherence上考察最近的开发。我们将用典型系统模型,在这个话题上给详细讨论理论充分量主人方程和Aharonov-Bohm干涉仪。

  • 标签: 散粒噪声 单分子 消相干 隧道系统 电子隧穿 |
  • 简介:Inthisstudy,wereportanefficientCdTe-SnO2quantumdot(QD)solarcellfabricatedbyheat-assisteddrop-castingofhydrothermallysynthesizedCdTeQDsonelectrospunSnO2nanofibers.Theas-preparedQDsandSnO2nanofiberswerecharacterizedbydynamiclightscattering(DLS),UV–Visspectroscopy,photoluminescence(PL)spectra,X-raydiffraction(XRD)andtransmissionelectronmicroscopy(TEM).TheSnO2nanofibersdepositedonfluorine-dopedtinoxide(SnO2)andsensitizedwiththeCdTeQDswereassembledintoasolarcellbysandwichingagainstaplatinum(Pt)counterelectrodeinpresenceofcobaltelectrolyte.TheefficiencyofcellswasinvestigatedbyanchoringQDsofvaryingsizesonSnO2.Thebestphotovoltaicperformanceofanoverallpowerconversionefficiencyof1.10%,anopen-circuitvoltage(Voc)of0.80V,andaphotocurrentdensity(JSC)of3.70mA/cm2wereobtainedforcellswithSnO2thicknessof5–6μmandcellareaof0.25cm2understandard1Sunillumination(100mW/cm2).Theefficiencywasinvestigatedforthesamesystemsunderpolysulfideelectrolyteaswellforacomparison.

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