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公开(公告)号：US11203684B1
公开(公告)日：2021-12-21
申请号：US17356650
申请日：2021-06-24
发明人： Ahmed A. Al-Ghamdi , Abdullah G. Al-Sehemi , Abul Kalam , Aysegul Dere , Fahrettin Yakuphanoglu
摘要： A conductive nanocomposite which contains a mixed polymer matrix which contains a rubber and a polyether, carbon nanoparticles, and transition metal nanoparticles. The conductive nanocomposite has a nonlinear relationship between resistivity and temperature characterized by an exponential increase reaching a peak resistivity followed by an exponential decrease as temperature increases. Also disclosed is a method of forming the conductive nanocomposite involving mixing the components, aging, and pressing. The conductive nanocomposite forms a component of a heater that is self-regulating as a result of the nonlinear relationship between resistivity and temperature of the conductive nanocomposite. The nanocomposite also forms a component of a thermistor.
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公开(公告)号：US11214671B1
公开(公告)日：2022-01-04
申请号：US17199520
申请日：2021-03-12
发明人： Ahmed A. Al-Ghamdi , Abdullah G. Al-Sehemi , Abul Kalam , Aysegul Dere , Fahrettin Yakuphanoglu
摘要： A conductive nanocomposite which contains a mixed polymer matrix which contains a rubber and a polyether, carbon nanoparticles, and transition metal nanoparticles. The conductive nanocomposite has a nonlinear relationship between resistivity and temperature characterized by an exponential increase reaching a peak resistivity followed by an exponential decrease as temperature increases. Also disclosed is a method of forming the conductive nanocomposite involving mixing the components, aging, and pressing. The conductive nanocomposite forms a component of a heater that is self-regulating as a result of the nonlinear relationship between resistivity and temperature of the conductive nanocomposite. The nanocomposite also forms a component of a thermistor.
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公开(公告)号：US10982082B1
公开(公告)日：2021-04-20
申请号：US16995336
申请日：2020-08-17
发明人： Ahmed A. Al-Ghamdi , Abdullah G. Al-Sehemi , Abul Kalam , Aysegul Dere , Fahrettin Yakuphanoglu
摘要： A conductive nanocomposite which contains a mixed polymer matrix which contains a rubber and a polyether, carbon nanoparticles, and transition metal nanoparticles. The conductive nanocomposite has a nonlinear relationship between resistivity and temperature characterized by an exponential increase reaching a peak resistivity followed by an exponential decrease as temperature increases. Also disclosed is a method of forming the conductive nanocomposite involving mixing the components, aging, and pressing. The conductive nanocomposite forms a component of a heater that is self-regulating as a result of the nonlinear relationship between resistivity and temperature of the conductive nanocomposite. The nanocomposite also forms a component of a thermistor.
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公开(公告)号：US11205737B1
公开(公告)日：2021-12-21
申请号：US17306243
申请日：2021-05-03
发明人： Abdullah G. Al-Sehemi , Ahmed A. Al-Ghamdi , Abul Kalam , Aysegul Dere , Fahrettin Yakuphanoglu
IPC分类号： H01L31/11 , H01L31/108 , H01L31/109 , H01L31/032
摘要： A photomemcapacitor device comprising a metal oxide semiconductor material is provided. The photocapacitor device comprises a p-n junction and a Schottky junction. A photomemcapacitor is provided for responding to photons at specified wavelengths.
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公开(公告)号：US10964899B1
公开(公告)日：2021-03-30
申请号：US17089796
申请日：2020-11-05
发明人： Abdullah G. Al-Sehemi , Ahmed A. Al-Ghamdi , Abul Kalam , Aysegul Dere , Fahrettin Yakuphanoglu
摘要： A hybrid junction solar light sensitive photodiode includes at least one inorganic p-n junction and at least one organic semiconductor p-n junction (pnpn) in series. The photoresponse properties of the photodiode is controlled using an inorganic layer and an organic layer. The photoactive layer is an organic semiconducting material having a mobility higher than 0.5 cm2/Vs. The metal oxide layer is an oxide semiconductor comprising of ternary oxides.
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