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Campbell, CA, United States

Ladhe R.D.,North Maharashtra University | Gurav K.V.,Chonnam National University | Pawar S.M.,Solar Components | Kim J.H.,Chonnam National University | Sankapal B.R.,North Maharashtra University
Journal of Alloys and Compounds | Year: 2012

Investigation towards the performance of room temperature (27 °C) liquefied petroleum gas (LPG) sensor based on the heterojunction between p-PEDOT:PSS and n-type ZnO is reported. The junction was developed by using chemically deposited ZnO film on to fluorine doped tin oxide (FTO) coated glass substrate followed by coating of thin slurry layer of PEDOT:PSS by using spin coating technique. Both these methods are simple, inexpensive and suitable for large area applications. Different characterization techniques were used to characterize structural, surface morphological and compositional of the material deposited. LPG sensing behavior of the heterojunction was studied at room temperature along with the stability studies. At room temperature, the heterojunction showed 58.8% sensitivity upon exposure to 1000 ppm of LPG with good response and recovery time like 225 s and 190 s, respectively. Furthermore, the LPG sensor reported is cost-effective, user friendly, and easy to fabricate using low cost chemical methods at room temperature. © 2011 Elsevier B.V. All rights reserved.

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Posted by Paul Crockett on 29 January 2014 During this years State of the Union address, President Obama used in his speech, facts from our Solar JOOS blog which were provided to us by GTM Research. In our article Solar Statistics for 2013, we provided a fact given to us by GTM Research that every 4 minutes, a new solar system is installed [] Read more Posted by Paul Crockett on 31 December 2013 MPPT (Maximum Power Point Tracking) charge controllers are a commonly found component in todays battery-based renewable energy systems although theyre not commonly found in the smaller, portable solar chargers ...

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A system and method for recorded renewable energy certificates from power produced by small power generators is provided. An appliance can include a renewable energy source and electronics to monitor and control the charging of batteries in the appliance utilizing power from the renewable energy source. Power from the batteries can be utilized to power or charge external devices. The electronics also records the total power production from the renewable energy source and uploads transaction records to either an external device for transmission to a records server or uploads it directly to the records server itself The records server compiles the transaction records and generates renewable energy certificates by aggregating the transaction records. Renewable energy certificates can be redeemed in exchange for real or virtual goods and services.

Marine Corps veteran, Justin Mentzersuccessfully summitedMount Kilimanjaro with his friends and the JOOS Orange portable solar charger. The JOOS proved to be the highlight of the trip, providing much needed power for Justin and his friends who needed to charge iPods, camera batteries, and other devices ...

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