TY - JOUR
T1 - High photorefractive gain in nematic liquid crystals doped with electron donor and acceptor molecules
AU - Wiederrecht, Gary P.
AU - Yoon, Beth A.
AU - Wasielewski, Michael R.
PY - 1995/12/15
Y1 - 1995/12/15
N2 - Liquid crystalline composite materials have been prepared that are strongly photorefractive. Nematic liquid crystals were doped with both electron donor and electron acceptor molecules that undergo facile, photoinduced, electron transfer reactions to yield mobile ions. A photorefractive gain ratio of 1.88 was observed. This gain ratio was achieved with low applied electric fields (0.4 kilovolts per centimeter) requiring only a 1.5-volt battery and low light intensities (100 milliwatts per square centimeter) in samples 37 to 88 micrometers thick that showed no loss in gain over a 6-month period.
AB - Liquid crystalline composite materials have been prepared that are strongly photorefractive. Nematic liquid crystals were doped with both electron donor and electron acceptor molecules that undergo facile, photoinduced, electron transfer reactions to yield mobile ions. A photorefractive gain ratio of 1.88 was observed. This gain ratio was achieved with low applied electric fields (0.4 kilovolts per centimeter) requiring only a 1.5-volt battery and low light intensities (100 milliwatts per square centimeter) in samples 37 to 88 micrometers thick that showed no loss in gain over a 6-month period.
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U2 - 10.1126/science.270.5243.1794
DO - 10.1126/science.270.5243.1794
M3 - Article
AN - SCOPUS:0029513691
SN - 0036-8075
VL - 270
SP - 1794
EP - 1797
JO - Science
JF - Science
IS - 5243
ER -