Carrier Multiplication in CdTe Quantum Dots by Single-photon Timing Spectroscopy

Carrier multiplication (CM) was observed in CdTe quantum dots (QDs) capped with tetradecylphosphonic acid (TDPA) at hν⁄Eg>2.5 by picosecond single-photon timing spectroscopy, where hν and Eg are th...

[1]  D. Dutton,et al.  Behavior of Lead Sulfide Photocells in the Ultraviolet , 1958 .

[2]  Xiaogang Peng,et al.  Experimental Determination of the Extinction Coefficient of CdTe, CdSe, and CdS Nanocrystals , 2003 .

[3]  R. Schaller,et al.  High efficiency carrier multiplication in PbSe nanocrystals: implications for solar energy conversion. , 2004, Physical review letters.

[4]  M. Beard,et al.  Highly efficient multiple exciton generation in colloidal PbSe and PbS quantum dots. , 2005, Nano letters.

[5]  R. Schaller,et al.  Effect of electronic structure on carrier multiplication efficiency: Comparative study of PbSe and CdSe nanocrystals , 2005 .

[6]  R. Schaller,et al.  High-efficiency carrier multiplication and ultrafast charge separation in semiconductor nanocrystals studied via time-resolved photoluminescence. , 2006, The journal of physical chemistry. B.

[7]  M. Beard,et al.  PbTe colloidal nanocrystals: synthesis, characterization, and multiple exciton generation. , 2006, Journal of the American Chemical Society.

[8]  N. Tamai,et al.  Fluorescence lifetime standards for time and frequency domain fluorescence spectroscopy. , 2007, Analytical chemistry.

[9]  T. Hanrath,et al.  In spite of recent doubts carrier multiplication does occur in PbSe nanocrystals. , 2008, Nano letters.

[10]  M. Bawendi,et al.  Carrier multiplication yields in PbS and PbSe nanocrystals measured by transient photoluminescence , 2008, 0806.1966.

[11]  M. Bonn,et al.  On the absence of detectable carrier multiplication in a transient absorption study of InAs/CdSe/ZnSe core/Shell1/Shell2 quantum dots. , 2008, Nano letters.

[12]  N. Tamai,et al.  Effects of Size and Capping Reagents on Biexciton Auger Recombination Dynamics of CdTe Quantum Dots , 2009 .

[13]  M. Beard,et al.  Variations in the quantum efficiency of multiple exciton generation for a series of chemically treated PbSe nanocrystal films. , 2009, Nano letters.