5 years ago

Synergetic Accrual of Lamellar Nanohybrids for Band-Selective Photodetection

Synergetic Accrual of Lamellar Nanohybrids for Band-Selective Photodetection
Biswajit Mandal, Shaibal Mukherjee, Aaryashree, Manoj K. Manna, Apurba K. Das, Sayan Maiti, Ankan Biswas, Pankaj Sharma
Nanostructured blends of inorganic and organic materials could unwind unique properties and boost performance over each individual constituent. We demonstrate here a hybrid photodetector containing ZnO and functionalized oligo(p-phenylenevinylene), which was deposited electrochemically onto an electrode. XRD results reveal that the conjugates formed are lamellar in nature. As photodetectors, room-temperature responsivity as high as 0.2 AW–1 at 330 nm with a bias of −20 V, the maximum external quantum efficiency of 75% at −20 V bias and 100 times increase in the light current upon UV illumination of 325 nm, have been observed. These values perpetrate a future of a high-performance hybrid photodetector which could be cost-effective and environmentally benign.

Publisher URL: http://dx.doi.org/10.1021/acs.jpcc.7b04219

DOI: 10.1021/acs.jpcc.7b04219

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