PMID- 22559875
OWN - NLM
STAT- MEDLINE
DCOM- 20121107
LR  - 20120626
IS  - 1936-086X (Electronic)
IS  - 1936-0851 (Linking)
VI  - 6
IP  - 6
DP  - 2012 Jun 26
TI  - High-throughput fabrication of photoconductors with high detectivity, 
      photosensitivity, and bandwidth.
PG  - 5627-34
LID - 10.1021/nn301567c [doi]
AB  - Nanocrystalline cadmium selenide (nc-CdSe) was electrodeposited within a sub-50 
      nm gold nanogap, prepared by feedback-controlled electromigration, to form a 
      photoconductive metal-semiconductor-metal nanojunction. Both gap formation and 
      electrodeposition were rapid and automated. The electrodeposited nc-CdSe was 
      stoichiometric, single cubic phase with a mean grain diameter of  approximately 7 nm. Optical 
      absorption, photoluminescence, and the spectral photoconductivity response of the 
      nc-CdSe were all dominated by band-edge transitions. The photoconductivity of 
      these nc-CdSe-filled gold nanogaps was characterized by a detectivity of 6.9 x 
      10(10) Jones and a photosensitivity of 500. These devices also demonstrated a 
      maximum photoconductive gain of  approximately 45 and response and recovery times below 2 mus, 
      corresponding to a 3 dB bandwidth of at least 175 kHz.
FAU - Xing, Wendong
AU  - Xing W
AD  - Department of Chemistry, University of California, Irvine, California 92697-2025, 
      USA.
FAU - Kung, Sheng-Chin
AU  - Kung SC
FAU - van der Veer, Wytze E
AU  - van der Veer WE
FAU - Yan, Wenbo
AU  - Yan W
FAU - Ayvazian, Talin
AU  - Ayvazian T
FAU - Kim, Jung Yun
AU  - Kim JY
FAU - Penner, Reginald M
AU  - Penner RM
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PT  - Research Support, U.S. Gov't, Non-P.H.S.
DEP - 20120517
PL  - United States
TA  - ACS Nano
JT  - ACS nano
JID - 101313589
SB  - IM
MH  - Electric Conductivity
MH  - Light
MH  - Materials Testing
MH  - Nanoparticles/*chemistry/*radiation effects
MH  - Photometry/*methods
MH  - Radiation Dosage
MH  - *Semiconductors
EDAT- 2012/05/09 06:00
MHDA- 2012/11/08 06:00
CRDT- 2012/05/08 06:00
PHST- 2012/05/08 06:00 [entrez]
PHST- 2012/05/09 06:00 [pubmed]
PHST- 2012/11/08 06:00 [medline]
AID - 10.1021/nn301567c [doi]
PST - ppublish
SO  - ACS Nano. 2012 Jun 26;6(6):5627-34. doi: 10.1021/nn301567c. Epub 2012 May 17.