Zobrazeno 1 - 9
of 9
pro vyhledávání: '"D. Westley Miller"'
Autor:
Joseph J. Berry, D. Westley Miller, Michael D. Irwin, K. Xerxes Steirer, Anthony Donakowski, Anthony Ruth, Erin M. Sanehira, Nicholas C. Anderson, Angus Rockett
Publikováno v:
ACS Energy Letters. 6:574-580
Using time-resolved in situ X-ray photoelectron spectroscopy, we identify and suppress rapid degradation mechanisms for cesium-stabilized formamidinium lead iodide perovskite materials used in stat...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7601a1e1c9a114430c84829f24f75a0b
https://doi.org/10.1021/acsenergylett.0c02339
https://doi.org/10.1021/acsenergylett.0c02339
Autor:
Mark C. Lonergan, Quynh P. Ngo, Ellis T. Roe, D. Westley Miller, Carolin M. Sutter-Fella, Francesca M. Toma, Ali Javey, Ian D. Sharp
Publikováno v:
ACS Energy Letters
Organometal halide perovskite semiconductors have emerged as promising candidates for optoelectronic applications because of the outstanding charge carrier transport properties, achieved with low-temperature synthesis. Here, we present highly sensiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31a7d0d5bd921b2d09ef4eaef5c80796
https://doi.org/10.1021/acsenergylett.6b00727
https://doi.org/10.1021/acsenergylett.6b00727
Autor:
Carlo Carraro, Maxwell Zheng, Der Hsien Lien, Ali Javey, Joel W. Ager, Hsin-Ping Wang, Charles W. Warren, Ellis T. Roe, Jr-Hau He, D. Westley Miller, Mark C. Lonergan, Peter Lobaccaro, Carolin M. Sutter-Fella, Mark Hettick, Harvey Guthrey, Roya Maboudian, Nancy M. Haegel
Publikováno v:
Chemistry of Materials
The thin-film vapor–liquid–solid (TF-VLS) growth technique presents a promising route for high quality, scalable, and cost-effective InP thin films for optoelectronic devices. Toward this goal, careful optimization of material properties and devi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24eb5abd0bf970d4862046931490db2b
https://doi.org/10.1021/acs.chemmater.6b01257
https://doi.org/10.1021/acs.chemmater.6b01257
Publikováno v:
Applied Physics Letters. 110:203901
We demonstrate that an analytic relationship between coefficients in the Taylor expansion of the junction capacitance can be exploited to yield more precise determinations of carrier densities in drive level capacitance profiling (DLCP). Improvements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4d58c296fb6e5bc326897923632533e
https://doi.org/10.1063/1.4983367
https://doi.org/10.1063/1.4983367
Publikováno v:
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC).
Deep level transient spectroscopy has been used to study the spatial properties of the N1-admittance feature in Cu(In, Ga)Se2 devices. By comparison to admittance spectra, the N1-admittance feature has been identified in deep level transient spectra.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::308c1767129fa1189ec52636dede4d1a
https://doi.org/10.1109/pvsc.2013.6744122
https://doi.org/10.1109/pvsc.2013.6744122
Autor:
D. Westley Miller, Jet Meitzner, Peter G. Hugger, Angus Rockett, Charles W. Warren, J. David Cohen, Stephen D. Kevan
Publikováno v:
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC).
A new, contactless, microwave photoconductance based technique for the direct measurement of the spectral dependence of free carrier generation efficiency in semiconductors is described and demonstrated. The technique is applied to the search for het
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc710b9d64bbd9c6ecaa25374fda773d
https://doi.org/10.1109/pvsc.2013.6744129
https://doi.org/10.1109/pvsc.2013.6744129
Autor:
Ellis T. Roe, Charles W. Warren, Giles E. Eperon, Mark C. Lonergan, D. Westley Miller, Henry J. Snaith
Publikováno v:
Applied Physics Letters. 109:153902
External quantum efficiency and transient photocapacitance (TPC) spectra were obtained for perovskite solar cells with methylammonium lead triiodide perovskite absorbers formed by either dip or vapor conversion. These measurements reveal an extended
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c8c7c00bd7d04658e6881766224a600
https://doi.org/10.1063/1.4963760
https://doi.org/10.1063/1.4963760
Autor:
D. Westley Miller, Colin A. Wolden, Jennifer T. Heath, Charles W. Warren, Mark C. Lonergan, Jiaojiao Li, D. M. Meysing, Teresa M. Barnes
Publikováno v:
Applied Physics Letters. 106:203903
Two optical sub-bandgap transitions in CdTe thin-film solar cells have been identified using detailed transient photocapacitance and transient photocurrent spectroscopy measurements. A broad response centered at EV + 0.9 eV directly correlates with t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c3edc5640592d553291e3629bed4d19
https://doi.org/10.1063/1.4921577
https://doi.org/10.1063/1.4921577
Autor:
Oki Gunawan, David B. Mitzi, D. Westley Miller, Tayfun Gokmen, Charles W. Warren, J. David Cohen
Publikováno v:
Applied Physics Letters. 101:142106
Transient photocapacitance (TPC) spectra were obtained on a series of Cu2ZnSn(Se,S)4 absorber devices with varying Se:S ratios, providing bandgaps (Eg) between 1 eV and 1.5 eV. Efficiencies varied between 8.3% and 9.3% for devices with Eg ≤ 1.2 eV
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f61839cf52050d56124f441e2f318b4a
https://doi.org/10.1063/1.4754834
https://doi.org/10.1063/1.4754834