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2019

An approach to optimize pre-annealing aging and anneal conditions to improve photovoltaic performance of perovskite solar cells

Sanni, D. M., Chen, Y., Yerramilli, A. S., Ntsoenzok, E., Asare, J., Adeniji, S. A., Oyelade, O. V., Fashina, A. A. & Alford, T., Mar 1 2019, In : Materials for Renewable and Sustainable Energy. 8, 1, 3.

Research output: Contribution to journalArticle

3 Scopus citations

Effect of excessive Pb on the stability and performance of Pb-halide perovskite solar cells against photo-induced degradation

Yerramilli, A. S., Chen, Y. & Alford, T., Mar 1 2019, In : MRS Communications. 9, 1, p. 189-193 5 p.

Research output: Contribution to journalArticle

Enhanced power conversion efficiency and preferential orientation of the MAPbI3 perovskite solar cells by introduction of urea as additive

Li, Y., Li, L., Yerramilli, A. S., Chen, Y., Fang, D., Shen, Y. & Alford, T. L., Oct 2019, In : Organic Electronics. 73, p. 130-136 7 p.

Research output: Contribution to journalArticle

3 Scopus citations

Improved performance of inverted perovskite solar cells due to the incorporation of zirconium acetylacetonate buffer layer

Yerramilli, A. S., Chen, Y., Knight, A., Gogoi, B., Li, L., Song, Y., Shen, Y. & Alford, T., Sep 15 2019, In : Solar Energy Materials and Solar Cells. 200, 109927.

Research output: Contribution to journalArticle

2 Scopus citations

Introduction of nitrogen gas flow and precursor aging process to improve the efficiency of the lead acetate derived CH3NH3PbI3 perovskite solar cells

Chen, Y., Li, L., Yerramilli, A. S., Qu, W., Song, Y., Li, N., Shen, Y. & Alford, T., Feb 1 2019, In : Solar Energy Materials and Solar Cells. 190, p. 49-56 8 p.

Research output: Contribution to journalArticle

4 Scopus citations
2018

Control of the Nucleation and Growth of the Lead Acetate Solution Derived CH 3 NH 3 PbI 3 Films Leads to Enhanced Power Conversion Efficiency

Chen, Y., Yerramilli, A. S., Li, L., Qu, W., Shen, Y., Song, Y. & Alford, T., Jun 25 2018, In : ACS Applied Energy Materials. 1, 6, p. 2898-2906 9 p.

Research output: Contribution to journalArticle

1 Scopus citations

Development of low-fluorine solution route and UV photolysis process for YBa2Cu3O7-x coated conductors

Chen, Y., Qu, W., Bian, W., Li, L., Yerramilli, A. S., Li, N., Song, Y., Wu, H., Wang, A., Theodore, N. D. & Alford, T., Jan 1 2018, (Accepted/In press) In : MRS Communications.

Research output: Contribution to journalArticle

1 Scopus citations

Effect of excessive Pb content in the precursor solutions on the properties of the lead acetate derived CH3NH3PbI3 perovskite solar cells

Chen, Y., Yerramilli, A., Shen, Y., Zhao, Z. & Alford, T., Jan 1 2018, In : Solar Energy Materials and Solar Cells. 174, p. 478-484 7 p.

Research output: Contribution to journalArticle

18 Scopus citations

Fabrication of PZT/CuO composite films and their photovoltaic properties

Song, Y., Li, L., Chen, Y., Li, F., Qu, W., Wu, H., Yerramilli, A. S., Alford, T. & Zheng, H., Aug 1 2018, In : Journal of Sol-Gel Science and Technology. 87, 2, p. 285-291 7 p.

Research output: Contribution to journalArticle

5 Scopus citations

Impact of excess lead on the stability and photo-induced degradation of lead halide perovskite solar cells

Yerramilli, A. S., Chen, Y., Sanni, D., Asare, J., Theodore, N. D. & Alford, T., Aug 1 2018, In : Organic Electronics: physics, materials, applications. 59, p. 107-112 6 p.

Research output: Contribution to journalArticle

5 Scopus citations

Mathematical model of the effects of government intervention and rehabilitation of prostitution

Lanz, A., White, Z. & Alford, T., Mar 9 2018, (Accepted/In press) In : International Journal of Biomathematics.

Research output: Contribution to journalArticle

4 Scopus citations
2017

Comparison of scanning laser annealing and microwave annealing for As+ implanted Si

Zhao, Z., Hilman, J., Oropeza, M., Nian, Q. & Alford, T., Jan 1 2017, In : Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. 35, 1, 011202.

Research output: Contribution to journalArticle

Resistive Switching Characteristics of Flexible TiO₂ Thin Film Fabricated by Deep Ultraviolet Photochemical Solution Method

Chen, Y., Li, L., Yin, X., Yerramilli, A., Shen, Y., Song, Y., Bian, W., Li, N., Zhao, Z., Qu, W., Theodore, N. D. & Alford, T., Sep 23 2017, (Accepted/In press) In : IEEE Electron Device Letters.

Research output: Contribution to journalArticle

10 Scopus citations
2016

A percolative approach to investigate electromigration failure in printed Ag structures

Zhao, Z., Mamidanna, A., Lefky, C., Hildreth, O. & Alford, T., Sep 28 2016, In : Journal of Applied Physics. 120, 12, 125104.

Research output: Contribution to journalArticle

8 Scopus citations

Flexible Ag-ChG Radiation Sensors: Limit of Detection and Dynamic Range Optimization Through Physical Design Tuning

Mahmud, A., Gonzalez Velo, Y., Saremi, M., Barnaby, H., Kozicki, M., Holbert, K., Mitkova, M., Alford, T., Goryll, M., Yu, W., Mahalanabis, D., Chen, W., Chamele, N. & Taggart, J., Jul 18 2016, (Accepted/In press) In : IEEE Transactions on Nuclear Science.

Research output: Contribution to journalArticle

3 Scopus citations

Measurement of InAsBi mole fraction and InBi lattice constant using Rutherford backscattering spectrometry and X-ray diffraction

Shalindar, A. J., Webster, P. T., Wilkens, B. J., Alford, T. & Johnson, S., Oct 14 2016, In : Journal of Applied Physics. 120, 14, 145704.

Research output: Contribution to journalArticle

9 Scopus citations
20 Scopus citations
2015

Advances in 2D/3D printing of functional nanomaterials and their applications

Choi, J. Y., Das, S., Theodore, N. D., Kim, I., Honsberg, C., Choi, H. W. & Alford, T., Jan 1 2015, In : ECS Journal of Solid State Science and Technology. 4, 4, p. P3001-P3009

Research output: Contribution to journalArticle

19 Scopus citations

Aging effect of a molecularly imprinted polymer on a quartz tuning fork sensor for detection of volatile organic compounds

Deng, Y., Chen, C., Qin, X., Xian, X., Alford, T., Choi, H. W., Tsow, F. & Forzani, E., May 2015, In : Sensors and Actuators, B: Chemical. 211, p. 25-32 8 p.

Research output: Contribution to journalArticle

10 Scopus citations

A Method for Efficient Transmittance Spectrum Prediction of Transparent Composite Electrodes

Zhao, Z., Dhar, A. & Alford, T., Jul 1 2015, In : JOM. 67, 7, p. 1612-1616 5 p.

Research output: Contribution to journalArticle

Carrier recombination lifetime measurement in silicon epitaxial layers using optically excited MOS capacitor technique

Elhami Khorasani, A., Schroder, D. K. & Alford, T., May 1 2015, In : IEEE Transactions on Electron Devices. 62, 5, p. 1553-1560 8 p., 7067362.

Research output: Contribution to journalArticle

2 Scopus citations

Computational modeling of optical properties in aluminum nanolayers inserted in ZnO for solar cell electrodes

Rwenyagila, E. R., Agyei-Tuffour, B., Onogu, K. O., Akin-Ojo, O., Zebaze Kana, M. G., Alford, T. & Soboyejo, W. O., 2015, In : Optics Letters. 40, 16, p. 3914-3917 4 p.

Research output: Contribution to journalArticle

3 Scopus citations

Controlled Microwave Processing of IGZO Thin Films for Improved Optical and Electrical Properties

Dhar, A. & Alford, T., Jul 1 2015, In : JOM. 67, 7, p. 1624-1628 5 p.

Research output: Contribution to journalArticle

1 Scopus citations

Effect of Different Substrates on the Wettability and Electrical Properties of Au Thin Films Deposited by Sputtering

Dhar, A., Zhao, Z. & Alford, T., Mar 10 2015, In : JOM. 67, 4, p. 845-848 4 p.

Research output: Contribution to journalArticle

4 Scopus citations
7 Scopus citations

Fabrication of periodic silicon nanopillars in a two-dimensional hexagonal array with enhanced control on structural dimension and period

Choi, J. Y., Alford, T. & Honsberg, C., Mar 17 2015, In : Langmuir. 31, 13, p. 4018-4023 6 p.

Research output: Contribution to journalArticle

16 Scopus citations

Optimization of the zinc oxide electron transport layer in P3HT:PC61BM based organic solar cells by annealing and yttrium doping

Das, S. & Alford, T., Jan 1 2015, In : RSC Advances. 5, 57, p. 45586-45591 6 p.

Research output: Contribution to journalArticle

11 Scopus citations

P3HT:PC61BM based solar cells employing solution processed copper iodide as the hole transport layer

Das, S., Choi, J. Y. & Alford, T., Feb 2015, In : Solar Energy Materials and Solar Cells. 133, p. 255-259 5 p.

Research output: Contribution to journalArticle

38 Scopus citations

Photocurrent enhancements of organic solar cells by altering dewetting of plasmonic Ag nanoparticles

Fleetham, T., Choi, J. Y., Choi, H. W., Alford, T., Jeong, D. S., Lee, T. S., Lee, W. S., Lee, K. S., Li, J. & Kim, I., Sep 21 2015, In : Scientific reports. 5, 14250.

Research output: Contribution to journalArticle

27 Scopus citations

Prediction of transmittance spectra for transparent composite electrodes with ultra-thin metal layers

Zhao, Z., Khorasani, A. E., Theodore, N. D., Dhar, A. & Alford, T., Nov 28 2015, In : Journal of Applied Physics. 118, 20, 205304.

Research output: Contribution to journalArticle

4 Scopus citations
2014

A fast I-V screening measurement for tddb assessment of ultra-thick inter-metal dielectrics

Khorasani, A. E., Griswold, M. & Alford, T., Jan 1 2014, In : IEEE Electron Device Letters. 35, 1, p. 117-119 3 p., 6680596.

Research output: Contribution to journalArticle

3 Scopus citations

A fast technique to screen carrier generation lifetime using DLTS on MOS capacitors

Elhami Khorasani, A., Schroder, D. K. & Alford, T., Sep 2014, In : IEEE Transactions on Electron Devices. 61, 9, p. 3282-3288 7 p., 6867334.

Research output: Contribution to journalArticle

4 Scopus citations
5 Scopus citations
7 Scopus citations

Enhanced power conversion efficiency of organic solar cells by embedding Ag nanoparticles in exciton blocking layer

Kim, I., Fleetham, T., Choi, H. W., Choi, J. Y., Lee, T. S., Jeong, D. S., Lee, W. S., Lee, K. S., Lee, Y. K., Alford, T. & Li, J., Oct 2014, In : Organic Electronics. 15, 10, p. 2414-2419 6 p.

Research output: Contribution to journalArticle

6 Scopus citations

Flexible sensors based on radiation-induced diffusion of ag in chalcogenide glass

Dandamudi, P., Mahmud, A., Gonzalez Velo, Y., Kozicki, M., Barnaby, H., Roos, B., Alford, T., Ailavajhala, M., Mitkova, M. & Holbert, K., Dec 1 2014, In : IEEE Transactions on Nuclear Science. 61, 6, p. 3432-3437 6 p., 6949157.

Research output: Contribution to journalArticle

7 Scopus citations

Gate-controlled reverse recovery for characterization of LDMOS body diode

Khorasani, A. E., Griswold, M. & Alford, T., Nov 1 2014, In : IEEE Electron Device Letters. 35, 11, p. 1079-1081 3 p., 6895242.

Research output: Contribution to journalArticle

6 Scopus citations

Improved efficiency of P3HT:PCBM solar cells by incorporation of silver oxide interfacial layer

Das, S. & Alford, T., Jul 28 2014, In : Journal of Applied Physics. 116, 4, 044905.

Research output: Contribution to journalArticle

14 Scopus citations

Optically excited mos-capacitor for recombination lifetime measurement

Khorasani, A. E., Schroder, D. K. & Alford, T., Oct 1 2014, In : IEEE Electron Device Letters. 35, 10, p. 986-988 3 p., 6878420.

Research output: Contribution to journalArticle

5 Scopus citations
33 Scopus citations

Self-assembled monolayer modified ITO in P3HT:PC61BM organic solar cells with improved efficiency

Das, S., Joslin, J. & Alford, T., May 1 2014, In : Solar Energy Materials and Solar Cells. 124, p. 98-102 5 p.

Research output: Contribution to journalArticle

12 Scopus citations

Solvent-controlled spin-coating method for large-scale area deposition of two-dimensional silica nanosphere assembled layers

Choi, J. Y., Alford, T. & Honsberg, C., May 27 2014, In : Langmuir. 30, 20, p. 5732-5738 7 p.

Research output: Contribution to journalArticle

28 Scopus citations

Structural properties of ZnO nanowires directly grown on a carbon film in ZnCl2aqueous solution

Choi, H. W., Theodore, N. D., Das, S., Dhar, A. & Alford, T., Nov 15 2014, In : Journal of Crystal Growth. 406, p. 26-30 5 p.

Research output: Contribution to journalArticle

1 Scopus citations
2013

Characterization and adhesion in Cu/Ru/SiO2/Si multilayer nano-scale structure for Cu metallization

Chawla, N., Venkatesh, S. H., Singh, D. R. P. & Alford, T., Apr 1 2013, In : Journal of Materials Engineering and Performance. 22, 4, p. 1085-1090 6 p.

Research output: Contribution to journalArticle

2 Scopus citations

Effective dopant activation by susceptor-assisted microwave annealing of low energy boron implanted and phosphorus implanted silicon

Zhao, Z., Theodore, N. D., Vemuri, R. N. P., Lu, W., Lau, S. S., Lanz, A. & Alford, T., Dec 28 2013, In : Journal of Applied Physics. 114, 24, 244903.

Research output: Contribution to journalArticle

3 Scopus citations

Effective dopant activation via low temperature microwave annealing of ion implanted silicon

Zhao, Z., David Theodore, N., Vemuri, R. N. P., Das, S., Lu, W., Lau, S. S. & Alford, T., Nov 4 2013, In : Applied Physics Letters. 103, 19, 192103.

Research output: Contribution to journalArticle

8 Scopus citations

Effect of low-temperature microwave processing and copper content on the properties of Ag-Cu thin film binary alloys

Das, S. & Alford, T., Apr 1 2013, In : JOM. 65, 4, p. 534-537 4 p.

Research output: Contribution to journalArticle