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Supporting STEM knowledge and skills in engineering education: PELARS project

Theoretical frames STEM

Cojocaru D, Spikol D.
GSID: RTm5kAAmT2sJ
D Cojocaru, A Friesel, D Spikol - … , New Orleans, USA (June 26-29 …, 2016 - diva-portal.org

… frame of PELARS we are working to develop new technologies and processes for teaching and learning for design, engineering (as part of STEM) … approach to teaching theory from the …

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Cojocaru, D., Friesel, A., & Spikol, D. (2016). Supporting STEM knowledge and skills in engineering education: PELARS project. In 2016 ASEE 123rd Annual Conference & Exposition-Making Value for Society, New Orleans, USA (June 26-29, 2016). The American Society for Engineering Education.
Cojocaru, Dorian, Anna Friesel, and Daniel Spikol. "Supporting STEM knowledge and skills in engineering education: PELARS project." 2016 ASEE 123rd Annual Conference & Exposition-Making Value for Society, New Orleans, USA (June 26-29, 2016). The American Society for Engineering Education, 2016.
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Enhancement of the hole conducting effect of NiO by a N.

Nanoscale

Peiris TAN, Baranwal AK, Kanda H, Fukumoto S, Kanaya S, Cojocaru L, Bessho T, Miyasaka T, Segawa H, Ito S.
PMID: 28426040
Nanoscale. 2017 May 04;9(17):5475-5482. doi: 10.1039/c7nr00372b.

In this article, we demonstrate for the first time a mesoscopic printable perovskite solar cell (PSC) using NiO as the hole transporting material and low-temperature processed carbon as the counter electrode. A single deposition method assisted by N

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Peiris TAN, Baranwal AK, Kanda H, et al. Enhancement of the hole conducting effect of NiO by a N. Nanoscale. 2017;9(17):5475-5482doi: 10.1039/c7nr00372b.
Peiris, T. A. N., Baranwal, A. K., Kanda, H., Fukumoto, S., Kanaya, S., Cojocaru, L., Bessho, T., Miyasaka, T., Segawa, H., & Ito, S. (2017). Enhancement of the hole conducting effect of NiO by a N. Nanoscale, 9(17), 5475-5482. https://doi.org/10.1039/c7nr00372b
Peiris, T A Nirmal, et al. "Enhancement of the hole conducting effect of NiO by a N." Nanoscale vol. 9,17 (2017): 5475-5482. doi: https://doi.org/10.1039/c7nr00372b
Peiris TAN, Baranwal AK, Kanda H, Fukumoto S, Kanaya S, Cojocaru L, Bessho T, Miyasaka T, Segawa H, Ito S. Enhancement of the hole conducting effect of NiO by a N. Nanoscale. 2017 May 04;9(17):5475-5482. doi: 10.1039/c7nr00372b. PMID: 28426040.
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Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities.

Scientific reports

Cojocaru L, Uchida S, Tamaki K, Jayaweera PVV, Kaneko S, Nakazaki J, Kubo T, Segawa H.
PMID: 28924166
Sci Rep. 2017 Sep 18;7(1):11790. doi: 10.1038/s41598-017-10953-3.

Energy harvesting at low light intensities has recently attracted a great deal of attention of perovskite solar cells (PSCs) which are regarded as promising candidate for indoor application. Anomalous hysteresis of the PSCs a complex issue for reliable evaluation...

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Cojocaru L, Uchida S, Tamaki K, et al. Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities. Sci Rep. 2017;7(1):11790doi: 10.1038/s41598-017-10953-3.
Cojocaru, L., Uchida, S., Tamaki, K., Jayaweera, P. V. V., Kaneko, S., Nakazaki, J., Kubo, T., & Segawa, H. (2017). Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities. Scientific reports, 7(1), 11790. https://doi.org/10.1038/s41598-017-10953-3
Cojocaru, Ludmila, et al. "Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities." Scientific reports vol. 7,1 (2017): 11790. doi: https://doi.org/10.1038/s41598-017-10953-3
Cojocaru L, Uchida S, Tamaki K, Jayaweera PVV, Kaneko S, Nakazaki J, Kubo T, Segawa H. Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities. Sci Rep. 2017 Sep 18;7(1):11790. doi: 10.1038/s41598-017-10953-3. PMID: 28924166; PMCID: PMC5603576.
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Sci-Fri PM: Planning-01: Measured electron and x-ray angular distribution data for benchmarking Monte Carlo codes.

Medical physics

Cojocaru CD, Ross CK, McEwen MR, McDonald AF, Faddegon BA.
PMID: 28512874
Med Phys. 2008 Jul;35(7):3412. doi: 10.1118/1.2965973.

Monte Carlo (MC) studies of the output of medical linear accelerators have demonstrated that in-air profiles are useful in the beam commissioning process. A recent investigation of x-ray profiles (Tonkopi et al, Med. Phys 32 (9), 2005) showed very...

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Cojocaru CD, Ross CK, McEwen MR, et al. Sci-Fri PM: Planning-01: Measured electron and x-ray angular distribution data for benchmarking Monte Carlo codes. Med Phys. 2008;35(7):3412doi: 10.1118/1.2965973.
Cojocaru, C. D., Ross, C. K., McEwen, M. R., McDonald, A. F., & Faddegon, B. A. (2008). Sci-Fri PM: Planning-01: Measured electron and x-ray angular distribution data for benchmarking Monte Carlo codes. Medical physics, 35(7), 3412. https://doi.org/10.1118/1.2965973
Cojocaru, C D, et al. "Sci-Fri PM: Planning-01: Measured electron and x-ray angular distribution data for benchmarking Monte Carlo codes." Medical physics vol. 35,7 (2008): 3412. doi: https://doi.org/10.1118/1.2965973
Cojocaru CD, Ross CK, McEwen MR, McDonald AF, Faddegon BA. Sci-Fri PM: Planning-01: Measured electron and x-ray angular distribution data for benchmarking Monte Carlo codes. Med Phys. 2008 Jul;35(7):3412. doi: 10.1118/1.2965973. PMID: 28512874; PMCID: PMC7986574.
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Adjustment of Conduction Band Edge of Compact TiO.

ACS applied materials & interfaces

Murakami TN, Miyadera T, Funaki T, Cojocaru L, Kazaoui S, Chikamatsu M, Segawa H.
PMID: 28981252
ACS Appl Mater Interfaces. 2017 Oct 25;9(42):36708-36714. doi: 10.1021/acsami.7b07496. Epub 2017 Oct 16.

Perovskite solar cells (PSCs) without a mesoporous TiO

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Murakami TN, Miyadera T, Funaki T, et al. Adjustment of Conduction Band Edge of Compact TiO. ACS Appl Mater Interfaces. 2017;9(42):36708-36714doi: 10.1021/acsami.7b07496.
Murakami, T. N., Miyadera, T., Funaki, T., Cojocaru, L., Kazaoui, S., Chikamatsu, M., & Segawa, H. (2017). Adjustment of Conduction Band Edge of Compact TiO. ACS applied materials & interfaces, 9(42), 36708-36714. https://doi.org/10.1021/acsami.7b07496
Murakami, Takurou N, et al. "Adjustment of Conduction Band Edge of Compact TiO." ACS applied materials & interfaces vol. 9,42 (2017): 36708-36714. doi: https://doi.org/10.1021/acsami.7b07496
Murakami TN, Miyadera T, Funaki T, Cojocaru L, Kazaoui S, Chikamatsu M, Segawa H. Adjustment of Conduction Band Edge of Compact TiO. ACS Appl Mater Interfaces. 2017 Oct 25;9(42):36708-36714. doi: 10.1021/acsami.7b07496. Epub 2017 Oct 16. PMID: 28981252.
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Defect induced tunable near infrared emission of Er-CeO2 by heterovalent co-dopants.

Physical chemistry chemical physics : PCCP

Florea M, Avram D, Cojocaru B, Tiseanu I, Parvulescu V, Tiseanu C.
PMID: 27333335
Phys Chem Chem Phys. 2016 Jul 21;18(27):18268-77. doi: 10.1039/c6cp02754g. Epub 2016 Jun 22.

We investigate the effects of heterovalent co-dopants on the structural and emission properties of 1% Er-CeO2 nanoparticles. The CeO2 oxide host was selected on the basis of its fairly well-understood defect chemistry in either a pure or doped state....

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Florea M, Avram D, Cojocaru B, et al. Defect induced tunable near infrared emission of Er-CeO2 by heterovalent co-dopants. Phys Chem Chem Phys. 2016;18(27):18268-77doi: 10.1039/c6cp02754g.
Florea, M., Avram, D., Cojocaru, B., Tiseanu, I., Parvulescu, V., & Tiseanu, C. (2016). Defect induced tunable near infrared emission of Er-CeO2 by heterovalent co-dopants. Physical chemistry chemical physics : PCCP, 18(27), 18268-77. https://doi.org/10.1039/c6cp02754g
Florea, Mihaela, et al. "Defect induced tunable near infrared emission of Er-CeO2 by heterovalent co-dopants." Physical chemistry chemical physics : PCCP vol. 18,27 (2016): 18268-77. doi: https://doi.org/10.1039/c6cp02754g
Florea M, Avram D, Cojocaru B, Tiseanu I, Parvulescu V, Tiseanu C. Defect induced tunable near infrared emission of Er-CeO2 by heterovalent co-dopants. Phys Chem Chem Phys. 2016 Jul 21;18(27):18268-77. doi: 10.1039/c6cp02754g. Epub 2016 Jun 22. PMID: 27333335.
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Reply.

Journal of gastrointestinal and liver diseases : JGLD

Cojocariu C, Stanciu2 C, Trifan A.
PMID: 27689214
J Gastrointestin Liver Dis. 2016 Sep;25(3):411-2. doi: 10.15403/jgld.2014.1121.253.coj.

No abstract available.

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Cojocariu C, Stanciu2 C, Trifan A. Reply. J Gastrointestin Liver Dis. 2016;25(3):411-2doi: 10.15403/jgld.2014.1121.253.coj.
Cojocariu, C., Stanciu2, C., & Trifan, A. (2016). Reply. Journal of gastrointestinal and liver diseases : JGLD, 25(3), 411-2. https://doi.org/10.15403/jgld.2014.1121.253.coj
Cojocariu, Camelia, et al. "Reply." Journal of gastrointestinal and liver diseases : JGLD vol. 25,3 (2016): 411-2. doi: https://doi.org/10.15403/jgld.2014.1121.253.coj
Cojocariu C, Stanciu2 C, Trifan A. Reply. J Gastrointestin Liver Dis. 2016 Sep;25(3):411-2. doi: 10.15403/jgld.2014.1121.253.coj. PMID: 27689214.
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Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers.

Optics letters

Guilbaud O, Cojocaru GV, Li L, Delmas O, Ungureanu RG, Banici RA, Kazamias S, Cassou K, Neveu O, Demailly J, Baynard E, Pittman M, Le Marec A, Klisnick A, Zeitoun P, Ursescu D, Ros D.
PMID: 26469617
Opt Lett. 2015 Oct 15;40(20):4775-8. doi: 10.1364/OL.40.004775.

Harmonic seeded operation of a neon-like titanium plasma-based soft x-ray laser is described. The plasma amplifier is pumped with a variation of the grazing incidence technique involving a fast and localized ionization step. We discuss its effect on gain...

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Guilbaud O, Cojocaru GV, Li L, et al. Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers. Opt Lett. 2015;40(20):4775-8doi: 10.1364/OL.40.004775.
Guilbaud, O., Cojocaru, G. V., Li, L., Delmas, O., Ungureanu, R. G., Banici, R. A., Kazamias, S., Cassou, K., Neveu, O., Demailly, J., Baynard, E., Pittman, M., Le Marec, A., Klisnick, A., Zeitoun, P., Ursescu, D., & Ros, D. (2015). Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers. Optics letters, 40(20), 4775-8. https://doi.org/10.1364/OL.40.004775
Guilbaud, O, et al. "Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers." Optics letters vol. 40,20 (2015): 4775-8. doi: https://doi.org/10.1364/OL.40.004775
Guilbaud O, Cojocaru GV, Li L, Delmas O, Ungureanu RG, Banici RA, Kazamias S, Cassou K, Neveu O, Demailly J, Baynard E, Pittman M, Le Marec A, Klisnick A, Zeitoun P, Ursescu D, Ros D. Gain dynamics in quickly ionized plasma for seeded operated soft x-ray lasers. Opt Lett. 2015 Oct 15;40(20):4775-8. doi: 10.1364/OL.40.004775. PMID: 26469617.
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Low-intensity optical bistability in an active Fabry-Perot mirror induced by input-phase-insensitive parametric downconversion.

Applied optics

Bosco A, Fazio E, Bertolotti M, Cojocaru C, Martorell J.
PMID: 12027182
Appl Opt. 2002 May 20;41(15):2935-43. doi: 10.1364/ao.41.002935.

A Fabry-Perot resonator filled with second-order nonlinear optical material is investigated. Attention is devoted to making the resonator act as a nonlinear mirror for ultralow-intensity light signals that can be switched by a control beam at the second-harmonic frequency....

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Bosco A, Fazio E, Bertolotti M, et al. Low-intensity optical bistability in an active Fabry-Perot mirror induced by input-phase-insensitive parametric downconversion. Appl Opt. 2002;41(15):2935-43doi: 10.1364/ao.41.002935.
Bosco, A., Fazio, E., Bertolotti, M., Cojocaru, C., & Martorell, J. (2002). Low-intensity optical bistability in an active Fabry-Perot mirror induced by input-phase-insensitive parametric downconversion. Applied optics, 41(15), 2935-43. https://doi.org/10.1364/ao.41.002935
Bosco, Alessio, et al. "Low-intensity optical bistability in an active Fabry-Perot mirror induced by input-phase-insensitive parametric downconversion." Applied optics vol. 41,15 (2002): 2935-43. doi: https://doi.org/10.1364/ao.41.002935
Bosco A, Fazio E, Bertolotti M, Cojocaru C, Martorell J. Low-intensity optical bistability in an active Fabry-Perot mirror induced by input-phase-insensitive parametric downconversion. Appl Opt. 2002 May 20;41(15):2935-43. doi: 10.1364/ao.41.002935. PMID: 12027182.
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Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts.

Langmuir : the ACS journal of surfaces and colloids

Cojocaru B, Laferrière M, Carbonell E, Parvulescu V, García H, Scaiano JC.
PMID: 18380514
Langmuir. 2008 May 06;24(9):4478-81. doi: 10.1021/la800441n. Epub 2008 Apr 02.

Singlet oxygen has been characterized spectroscopically as a product of the exposure of suspensions of zeolites containing oxidation catalysts. Spectroscopic and lifetime studies show that a part of the singlet oxygen formed reacts within the zeolite porous structure, while...

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Cojocaru B, Laferrière M, Carbonell E, et al. Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts. Langmuir. 2008;24(9):4478-81doi: 10.1021/la800441n.
Cojocaru, B., Laferrière, M., Carbonell, E., Parvulescu, V., García, H., & Scaiano, J. C. (2008). Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts. Langmuir : the ACS journal of surfaces and colloids, 24(9), 4478-81. https://doi.org/10.1021/la800441n
Cojocaru, Bogdan, et al. "Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts." Langmuir : the ACS journal of surfaces and colloids vol. 24,9 (2008): 4478-81. doi: https://doi.org/10.1021/la800441n
Cojocaru B, Laferrière M, Carbonell E, Parvulescu V, García H, Scaiano JC. Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts. Langmuir. 2008 May 06;24(9):4478-81. doi: 10.1021/la800441n. Epub 2008 Apr 02. PMID: 18380514.
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Analytic expressions for the fourth- and the fifth-order dispersions of crossed prisms pairs.

Applied optics

Cojocaru E.
PMID: 14661803
Appl Opt. 2003 Dec 01;42(34):6910-4. doi: 10.1364/ao.42.006910.

In case of tunable ultrashort-pulse lasers, besides the prism material, separation, and insertion, one may choose the central wavelength providing a better high-order dispersion compensation. Because of errors that accumulate in numerical iterations, the analytic approach may be preferable...

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Cojocaru E. Analytic expressions for the fourth- and the fifth-order dispersions of crossed prisms pairs. Appl Opt. 2003;42(34):6910-4doi: 10.1364/ao.42.006910.
Cojocaru, E. (2003). Analytic expressions for the fourth- and the fifth-order dispersions of crossed prisms pairs. Applied optics, 42(34), 6910-4. https://doi.org/10.1364/ao.42.006910
Cojocaru, E. "Analytic expressions for the fourth- and the fifth-order dispersions of crossed prisms pairs." Applied optics vol. 42,34 (2003): 6910-4. doi: https://doi.org/10.1364/ao.42.006910
Cojocaru E. Analytic expressions for the fourth- and the fifth-order dispersions of crossed prisms pairs. Appl Opt. 2003 Dec 01;42(34):6910-4. doi: 10.1364/ao.42.006910. PMID: 14661803.
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The role of ferroelectric domain structure in second harmonic generation in random quadratic media.

Optics express

Roppo V, Wang W, Kalinowski K, Kong Y, Cojocaru C, Trull J, Vilaseca R, Scalora M, Krolikowski W, Kivshar Y.
PMID: 20389416
Opt Express. 2010 Mar 01;18(5):4012-22. doi: 10.1364/OE.18.004012.

We study theoretically and numerically the second harmonic generation in a nonlinear crystal with random distribution of ferroelectric domains. We show that the specific features of disordered domain structure greatly affect the emission pattern of the generated harmonics. This...

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Roppo V, Wang W, Kalinowski K, et al. The role of ferroelectric domain structure in second harmonic generation in random quadratic media. Opt Express. 2010;18(5):4012-22doi: 10.1364/OE.18.004012.
Roppo, V., Wang, W., Kalinowski, K., Kong, Y., Cojocaru, C., Trull, J., Vilaseca, R., Scalora, M., Krolikowski, W., & Kivshar, Y. (2010). The role of ferroelectric domain structure in second harmonic generation in random quadratic media. Optics express, 18(5), 4012-22. https://doi.org/10.1364/OE.18.004012
Roppo, Vito, et al. "The role of ferroelectric domain structure in second harmonic generation in random quadratic media." Optics express vol. 18,5 (2010): 4012-22. doi: https://doi.org/10.1364/OE.18.004012
Roppo V, Wang W, Kalinowski K, Kong Y, Cojocaru C, Trull J, Vilaseca R, Scalora M, Krolikowski W, Kivshar Y. The role of ferroelectric domain structure in second harmonic generation in random quadratic media. Opt Express. 2010 Mar 01;18(5):4012-22. doi: 10.1364/OE.18.004012. PMID: 20389416.
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Showing 1 to 12 of 256 entries