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We develop a new class of polyetheramine-modified organoclays that enable the homogenous dispersion of inorganic phosphorescent phosphor powder, yttrium aluminum garnet Y3Al5O12 (YAG), in epoxy, which can then be used for packing of light-emitting diode (LED) devices. The organoclays are prepared from the ionic exchange reaction of sodium montmorillonite (Na+-MMT) with poly(oxypropylene) (POP) diamines...
The inverted bulk hetero-junction solar cell on the polyester (PET) substrate with a non-annealing active layer is investigated. Our investigations show that the easily processed inverted device with a non-annealing active layer on the indium-tin-oxide coated PET substrate exhibits a high power conversion efficiency of ~3.65%.
Correlation between the power conversion efficiency and dimethyl sulfoxide (DMSO) modified poly (3,4-ethylene dioxythiophene): poly(styrene sulfonate) (PEDOT:PSS) of polymer solar cells is studied. The PEDOT:PSS is modified by adding process additive (DMSO) during processing. However, highly conductive DMSO-PEDOT:PSS leads to tremendous errors in the measurement of the polymer solar cells. Our investigations...
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