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Velu Kuppu Sakthi,Kamaraj Eswaran,Sadagopan Jayakumar,Sonaimuthu Mohandoss,Ahmad Naushad,Alagarasan Jagadeesh Kumar,Ravisankar Parkavi,Lee Yong Rok 한국물리학회 2024 Current Applied Physics Vol.58 No.-
In this work, we have developed optically transparent zinc oxide nanoparticles doped with highly efficient of poly (aniline)-titanium dioxide (PANI/TiO2/ZnO) ternary composites were prepared by simple chemical oxidative polymerization method and its used as photo-anode for dye-sensitized solar cell (DSSC) applications. The as prepared PANI/TiO2/ZnO characterized by the various techniques such as FT-IR, XRD, HR-TEM, SAED, FE-SEM, AFM, and UV–Visible analysis. Morphological analysis was observed in the surface morphology of ZnO doped PANI/TiO2 in crystalline nature. The topographical AFM images were also observed in crystalline nature. Tauc plot analysis were examined the optical band-gap energy (2.95 eV) of PANI/TiO2/ZnO. The DSSCs assembled and as prepared PANI/TiO2, PANI/ZnO, TiO2/ZnO, PANI/TiO2/ZnO were used as photo-anode, 1- hexyl-3-methylimidazolium iodide containing the iodide/triiodide redox mediator used as the electrolyte, platinum paste used as a counter electrode. Among the devices, PANI/TiO2/ZnO photo-anode gives 8.31% efficiency.
Qin, Hua,Gu, Qiang,Kuppu, Sundaram,Sun, Li,Zhu, Xunlu,Mishra, Neelam,Hu, Rongbin,Shen, Guoxin,Zhang, Junling,Zhang, Yizheng,Zhu, Longfu,Zhang, Xianlong,Burow, Mark,Payton, Paxton,Zhang, Hong 한국식물생명공학회 2013 Plant biotechnology reports Vol.7 No.3
The Arabidopsis gene AVP1 encodes an $H^+$-pyrophosphatase that functions as a proton pump at the vacuolar membranes, generating a proton gradient across vacuolar membranes, which serves as the driving force for many secondary transporters on vacuolar membranes such as $Na^+/H^+$-antiporters. Overexpression of AVP1 could improve drought tolerance and salt tolerance in transgenic plants, suggesting a possible way in improving drought and salt tolerance in crops. The AVP1 was therefore introduced into peanut by Agrobacterium-mediated transformation. Analysis of AVP1-expressing peanut indicated that AVP1-overexpression in peanut could improve both drought and salt tolerance in greenhouse and growth chamber conditions, as AVP1-overexpressing peanuts produced more biomass and maintained higher photosynthetic rates under both drought and salt conditions. In the field, AVP1-overexpressing peanuts also outperformed wild-type plants by having higher photosynthetic rates and producing higher yields under low irrigation conditions.
Huaqin Sun,Qiang Gu,Sundaram Kuppu,Li Sun,Xunlu Zhu,Neelam Mishra,Rongbin Hu,Guoxin Shen,Junling Zhang,Yizheng Zhang,Longfu Zhu,Xianlong Zhang,Mark Burow,Paxton Payton,Hong Zhang 한국식물생명공학회 2013 Plant biotechnology reports Vol.7 No.3
The Arabidopsis gene AVP1 encodes an H?-pyrophosphatase that functions as a proton pump at thevacuolar membranes, generating a proton gradient acrossvacuolar membranes, which serves as the driving force formany secondary transporters on vacuolar membranes suchas Na?/H?-antiporters. Overexpression of AVP1 couldimprove drought tolerance and salt tolerance in transgenicplants, suggesting a possible way in improving drought andsalt tolerance in crops. The AVP1 was therefore introducedinto peanut by Agrobacterium-mediated transformation. Analysis of AVP1-expressing peanut indicated that AVP1-overexpression in peanut could improve both droughtand salt tolerance in greenhouse and growth chamberconditions, as AVP1-overexpressing peanuts producedmore biomass and maintained higher photosynthetic ratesunder both drought and salt conditions. In the field, AVP1-overexpressing peanuts also outperformed wild-type plantsby having higher photosynthetic rates and producing higheryields under low irrigation conditions.