Abstract: Photovoltaic devices, and methods of making the same, are described. The photovoltaic devices includes a hole-transport layer which includes poly(9-vinylcarbazole) (PVK).

Abstract: Provided are polymeric materials that demonstrate excellent mar resistance as well as clarity and weatherability as well as processes for their manufacture. In some aspects a thermoplastic material includes a light stabilizer at or within the surface of the material and a mar resistant coating material layered directly on the surface, optionally without any intermediate primer layer, adhesion promotion layer or material, or other functional layer.

Abstract: A shoe charm system includes a shoe having laces to tighten the shoe around a foot; a charm, having a body; a decorative item attached to a top surface of the body; and a clip attached to a bottom surface of the body; the clip is to secure the charm to the laces of the shoe.

Abstract: The present invention enhances the internet search experience for buyers researching their next vehicle purchase using an internet search engine. Specifically, some embodiments allow for the optimization of online ad campaigns so that internet search results yield sponsored advertisements in particular relevance to search inquiries. In some cases, an ad campaign has one or more ad groups, each ad group associated with positive keywords and negative keywords, ad creative, and a dynamic landing page. The hierarchical structure of the ad campaigns allows the advertiser to funnel searches to the most relevant advertisements.