01532nas a2200253 4500008004100000022001400041245012400055210006900179260007900248300001200327490000700339520059300346653002900939653002300968653001700991653001601008653002501024100001601049700001701065700002001082700002901102700001901131856012801150 2009 eng d a1388-248100aChemical bath deposition of CdS quantum dots on vertically aligned ZnO nanorods for quantum dots-sensitized solar cells0 aChemical bath deposition of CdS quantum dots on vertically align a360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USAbELSEVIER SCIENCE INCcJAN a103-1060 v113 a

Formation of US quantum dots (Q dots) on the vertically aligned ZnO nanorods electrode was carried out by chemical bath deposition. The diameter and thickness of ZnO nanorods are similar to 100-150 nm and similar to 1.6 mu m, respectively, and CdS Q dots on ZnO nanorods have a diameter of smaller than 15 nm. In application of the Q dots-sensitized solar cells, composite film exhibited a power conversion efficiency of 0.54% under air mass 1.5 condition (80 mW/cm(2)), and incident-photon-to-current conversion efficiency showed 18.6%. (c) 2008 Elsevier B.V. All rights reserved.

10aChemical bath deposition10aPhotosensitization10aquantum dots10asolar cells10aWet-chemical process1 aLee, Wonjoo1 aMin, Sun, Ki1 aDhas, Vivek, V.1 aOgale, Satishchandra, B.1 aHan, Sung-Hwan uhttps://library.ncl.res.in/content/chemical-bath-deposition-cds-quantum-dots-vertically-aligned-zno-nanorods-quantum-dots-002578nas a2200217 4500008004100000022001400041245020200055210006900257260006900326300001000395490000800405520168600413653001902099653001502118653001802133653001302151653002402164653002302188100002902211856012002240 2015 eng d a1010-603000aInhibition effect of N,N-diglycidyl-4-glycidyloxy aniline on photosensitized cationic polymerization of formulations involving resorcinol diglycidyl ether and poly(propylene glycol)diglycidyl ether0 aInhibition effect of NNdiglycidyl4glycidyloxy aniline on photose aPO BOX 564, 1001 LAUSANNE, SWITZERLANDbELSEVIER SCIENCE SAcAPR a17-270 v3033 a

Cationic photopolymerization studies of poly(propylene glycol)diglycidyl ether with and without 25 wt% of resorcinol diglycidyl ether were carried out in presence of bis(4-methylphenyl)iodonium hexafluorophosphate as photoinitiator. Analyses were carried out using polychromatic radiation at different temperatures in a photo differential scanning calorimeter. The formulations showed an enhancement in the rate of polymerization on addition of resorcinol diglycidyl ether. The same formulations when subjected to photosensitized polymerization in presence of 1-chloro-4-propoxy-9H-thioxanthen-9-one, showed a reverse behavior in rate due to partial absorption of radiation by resorcinol diglycidyl ether. Studies carried out on by the addition of N,N-diglycidy1-4-glycidyloxy aniline as inhibitor on the photosensitized formulations showed higher scavenging activity by inhibitor. The addition of nitrogen containing epoxy monomer as inhibitor can lead to its possible crosslinking within the matrix on polymerization along with a decrease in rate of polymerization without compromising on the final observed conversion. This effect can occur readily for non vitrifying systems. Thus, this observation provides an insight into its possible usage in a rate controlled photopolymerizable epoxy formulations. The photopolymerization kinetics were found to depend on the nature of generation, propagation and scavenging of active centers which are heavily dependent on diffusional restrictions imparted by in situ viscosity of the system. The kinetic estimations as well as evaluation of autocatalytic kinetic model are investigated. (C) 2015 Elsevier B.V. All rights reserved.

10aGlycidyl ether10aInhibition10akinetic model10akinetics10aPhotopolymerization10aPhotosensitization1 aHarikrishna, Reghunathan uhttps://library.ncl.res.in/content/inhibition-effect-nn-diglycidyl-4-glycidyloxy-aniline-photosensitized-cationic-002070nas a2200253 4500008004100000022001400041245011500055210006900170260000800239490000700247520117600254653003201430653002301462653002101485653003201506653002301538100001901561700002101580700001901601700002101620700003601641700001801677856012101695 2024 eng d a2199-692X00aEnhancing the Catalytic Activity of Pd Nanocrystals towards Suzuki Cross-Coupling by g-C3N4 Photosensitization0 aEnhancing the Catalytic Activity of Pd Nanocrystals towards Suzu cJAN0 v103 a

Developing renewable means of activating molecules over traditional catalysts for C-C bond formation is desirable for industrial applications. Herein, we report a strategy to improve the efficiency of Pd nanoparticles (NPs) for the Suzuki cross-coupling reactions by visible-light irradiation using g-C3N4 nanosheets (NSs) as photosensitizer. Pd NPs mounted on g-C3N4 become electron-rich under visible-light due to generation of excited electrons in g-C3N4 and thereby accelerate the rate-determining step. Remarkable photocatalytic activity was accomplished utilizing Pd/g-C3N4 for the Suzuki cross-coupling reaction in environmentally benign aqueous settings under room temperature conditions. The activity remarkably improves (similar to 2.5 times) upon light irradiation, yielding one of the highest known turnover frequencies (TOF) of 1858 h(-1) and confirming the photosensitizer role of g-C3N4. The TOF for coupling of aryl bromides is also significantly high (similar to 356 h(-1)). We establish that the low-energy/long-lived excitons preferencially transfer to Pd, paving a way for rational designing photocatalysts for various C-C coupling reactions.

10a2D graphitic carbon nitride10aC-C cross-coupling10aexciton transfer10aheterogeneous photocatalyst10aPhotosensitization1 aMondal, Sanjit1 aSahoo, Lipipuspa1 aBanoo, Maqsuma1 aVaishnav, Yuvraj1 aVinod, Chathakudath, Prabhakara1 aGautam, Ujjal uhttps://library.ncl.res.in/content/enhancing-catalytic-activity-pd-nanocrystals-towards-suzuki-cross-coupling-g-c3n4