Adrienne Stiff-Roberts

Electrical and Computer Engineering

Associate Dean for Community-Based Innovation, Professor of ECE

Adrienne Stiff-Roberts Profile Photo

Research Interests

Thin-film deposition, MAPLE, hybrid perovskites, hybrid nanocomposites, organic thin films

Bio

Dr. Stiff-Roberts received both the B.S. degree in physics from Spelman College and the B.E.E. degree in electrical engineering from the Georgia Institute of Technology in 1999. She received an M.S.E. in electrical engineering and a Ph.D. in applied physics in 2001 and 2004, respectively, from the University of Michigan, AArbor, where she investigated high-temperature quantum dot infrared photodetectors grown by molecular beam epitaxy. Dr. Stiff-Roberts joined Duke University in August 2004, and she is a Professor of Electrical and Computer Engineering.

Dr. Stiff-Roberts' research interests include the synthesis of multi-component and hybrid (organic-inorganic) materials using a novel approach for organic-based thin film deposition that combines solution and vacuum-processing. Known as emulsion-based, resonant infrared matrix-assisted pulsed laser evaporation (RIR-MAPLE), this technique offers a completely new way to integrate novel functions into organic-based films and devices that are difficult, if not impossible, to achieve otherwise. Research efforts include materials synthesis and characterization to investigate the fundamental mechanisms of thin-film growth using RIR-MAPLE, as well as device fabrication and characterization for a broad range of applications (especially optoelectronic and energy devices).

Education

B.S. Spelman College, 1999
B.S.E.E. Georgia Institute of Technology, 1999
M.Sc.Eng. University of Michigan, Ann Arbor, 2001
Ph.D. University of Michigan, Ann Arbor, 2004

Positions

Professor of Electrical and Computer Engineering
Associate Dean for Community Based Innovation in the Pratt School of Engineering
Professor in the Thomas Lord Department of Mechanical Engineering and Materials Science

Awards, Honors, and Distinctions

Lois and John L. Imhoff Distinguished Teaching Award. Pratt School of Engineering. 2021
Faculty Honoree. Duke University Senior Honors. 2017
Julian Abele Award for Graduate Mentor of the Year. Mary Lou Williams Center, Black Student Alliance, and Black Graduate and Professional Student Association. 2016
Invited Speaker. National Academy of Engineering (NAE), EU-US Frontiers of Engineering Symposium, Finland. 2016
Senior Member. IEEE. 2009
IEEE Early Career Award in Nanotechnology for u201ccontributions to the development of nanoscale quantum dots for infrared detectionu201d. IEEE Nanotechnology Council. 2009
Presidential Early Career Award for Scientists and Engineers. Department of Defense, Office of Naval Research. 2008
Young Investigator Award. Office of Naval Research. 2007
NSF CAREER AWARD. National Science Foundation. 2006
Inducted. Phi Beta Kappa Society. 1998
Inducted. Sigma Pi Sigma Physics Honor Society. 1998
Inducted. Golden Key Honor Society. 1996

Courses Taught

MSEG 891: Internship
ME 591: Research Independent Study in Mechanical Engineering or Material Science
ECE 891: Internship
ECE 521: Quantum Mechanics

Publications

Zhang B, Pinky SK, Kwansa AL, Ferguson S, Yingling YG, Stiff-Roberts AD. Correlation of Emulsion Chemistry, Film Morphology, and Device Performance in Polyfluorene LEDs Deposited by RIR-MAPLE. ACS applied materials & interfaces. 2023 Apr;15(14):18153–65.
Pinky SK, Kwansa AL, Zhang B, Stiff-Roberts AD, Yingling YG. Effect of solvent on the emulsion and morphology of polyfluorene films: all-atom molecular dynamics approach. Soft matter. 2023 Mar;19(9):1782–90.
Wright NE, Qin X, Xu J, Kelly LL, Harvey SP, Toney MF, et al. Influence of Annealing and Composition on the Crystal Structure of Mixed-Halide, Ruddlesden-Popper Perovskites. Chemistry of Materials. 2022 Apr 12;34(7):3109–22.
Barraza ET, Stiff-Roberts AD. RIR-MAPLE: Deposition of Hybrid Organic-Inorganic Perovskite Thin Films. In: Materials and Energy. 2022. p. 115–52.
Barraza ET, Stiff-Roberts AD. Phenomenological mechanisms of hybrid organic-inorganic perovskite thin film deposition by RIR-MAPLE. Journal of Applied Physics. 2020 Sep 14;128(10).
Ajnsztajn A, Ferguson S, Thostenson JO, Ngaboyamahina E, Parker CB, Glass JT, et al. Transparent mxene-polymer supercapacitive film deposited using rir-maple. Crystals. 2020 Mar 1;10(3).
Dunlap-Shohl WA, Barraza ET, Barrette A, Dovletgeldi S, Findik G, Dirkes DJ, et al. Tunable internal quantum well alignment in rationally designed oligomer-based perovskite films deposited by resonant infrared matrix-assisted pulsed laser evaporation. Materials Horizons. 2019 Oct 1;6(8):1707–16.
Ferguson S, Williams CV, Mohapi B, Stiff-Roberts AD. Deposition of β-Polyfluorene by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation. Journal of Electronic Materials. 2019 May 1;48(5):3388–98.
Stiff-Roberts AD, Wright NE. Two-dimensional hybrid organic-inorganic semiconductors deposited by resonant infrared, matrix-assisted pulsed laser evaporation. In: Proceedings of SPIE - The International Society for Optical Engineering. 2019.
Dunlap-Shohl WA, Barraza ET, Barrette A, Gundogdu K, Stiff-Roberts AD, Mitzi DB. MAPbI3 Solar Cells with Absorber Deposited by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation. ACS Energy Letters. 2018 Feb 9;3(2):270–5.
Barraza ET, Dunlap-Shohl WA, Mitzi DB, Stiff-Roberts AD. Deposition of Methylammonium Lead Triiodide by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation. Journal of Electronic Materials. 2018 Feb 1;47(2):917–26.
Stiff-Roberts AD, Mitzi DB, Barraza ET, Dunlap-Shohl WA. Resonant infrared matrix-assisted pulsed laser evaporation of hybrid perovskites. In: Optics InfoBase Conference Papers. 2018.
Caricato AP, Ge W, Stiff-Roberts AD. UV- and RIR-MAPLE: Fundamentals and applications. In: Springer Series in Materials Science. 2018. p. 275–308.
Stiff-Roberts AD, Ge W. Organic/hybrid thin films deposited by matrix-assisted pulsed laser evaporation (MAPLE). Applied Physics Reviews. 2017 Dec 1;4(4).
Ge W, Hoang TB, Mikkelsen MH, Stiff-Roberts AD. RIR-MAPLE deposition of plasmonic silver nanoparticles. Applied Physics A: Materials Science and Processing. 2016 Sep 1;122(9).
Ge W, Li NK, McCormick RD, Lichtenberg E, Yingling YG, Stiff-Roberts AD. Emulsion-Based RIR-MAPLE Deposition of Conjugated Polymers: Primary Solvent Effect and Its Implications on Organic Solar Cell Performance. ACS applied materials & interfaces. 2016 Aug;8(30):19494–506.
Ge W, Atewologun A, Stiff-Roberts AD. Hybrid nanocomposite thin films deposited by emulsion-based resonant infrared matrix-assisted pulsed laser evaporation for photovoltaic applications. Organic Electronics. 2015 Jul 1;22:98–107.
Yu Q, Ge W, Atewologun A, Stiff-Roberts AD, López GP. Antimicrobial and bacteria-releasing multifunctional surfaces: oligo (p-phenylene-ethynylene)/poly (N-isopropylacrylamide) films deposited by RIR-MAPLE. Colloids and surfaces B, Biointerfaces. 2015 Feb;126:328–34.
Stiff-Roberts AD, McCormick RD, Ge W. Material properties and applications of blended organic thin films with nanoscale domains deposited by RIR-MAPLE. Proceedings of SPIE - The International Society for Optical Engineering. 2015 Jan 1;9350.
Liu Y, Atewologun A, Stiff-Roberts AD. Organic semiconductor thin films deposited by resonant infrared matrix-assisted pulsed laser evaporation: A fundamental study of the emulsion target. Materials Research Society Symposium Proceedings. 2015 Jan 1;1733:19–26.
Yu Q, Ge W, Atewologun A, López GP, Stiff-Roberts AD. RIR-MAPLE deposition of multifunctional films combining biocidal and fouling release properties. Journal of materials chemistry B. 2014 Jul;2(27):4371–8.
Ge W, McCormick RD, Nyikayaramba G, Stiff-Roberts AD. Bulk heterojunction PCPDTBT:PC71BM organic solar cells deposited by emulsion-based, resonant infrared matrix-assisted pulsed laser evaporation. Applied Physics Letters. 2014 Jun 2;104(22).
Ge W, Yu Q, López GP, Stiff-Roberts AD. Antimicrobial oligo(p-phenylene-ethynylene) film deposited by resonant infrared matrix-assisted pulsed laser evaporation. Colloids and surfaces B, Biointerfaces. 2014 Apr;116:786–92.
McCormick RD, Cline ED, Chadha AS, Zhou W, Stiff-Roberts AD. Tuning the refractive index of homopolymer blends by controlling nanoscale domain size via RIR-MAPLE deposition. Macromolecular Chemistry and Physics. 2013 Dec 1;214(23):2643–50.
Atewologun A, Ge W, Stiff-Roberts AD. Characterization of colloidal quantum dot ligand exchange by X-ray photoelectron spectroscopy. Journal of Electronic Materials. 2013 May 1;42(5):809–14.
Stiff-Roberts AD, Pate R, McCormick R, Lantz KR. RIR-MAPLE deposition of conjugated polymers and hybrid nanocomposites for application to optoelectronic devices. AIP Conference Proceedings. 2012 Dec 1;1464:347–57.
Park Y, Park J, Therien MJ, Stiff-Roberts AD. Enhanced dispersion of CdSe/MEH-CN-PPV hybrid nanocomposites by in situ polymerization using AEM as photopolymerizable precursor. Colloid and Polymer Science. 2012 Oct 1;290(15):1501–9.
McCormick RD, Lenhardt J, Stiff-Roberts AD. Effects of emulsion-based resonant infrared matrix assisted pulsed laser evaporation (RIR-MAPLE) on the molecular weight of polymers. Polymers. 2012 Jun 8;4(1):341–54.
McCormick RD, Cline ED, Chadha AS, Zhou W, Stiff-Roberts AD. Tuning the refractive index of blended polymer films by RIR-MAPLE deposition. Proceedings of SPIE - The International Society for Optical Engineering. 2012 Mar 23;8258.
Lantz KR, Stiff-Roberts AD. Theoretical investigation of intraband, infrared absorbance in inorganic/organic nanocomposite thin films with varying colloidal quantum dot surface ligand materials. International Journal of High Speed Electronics and Systems. 2012 Mar 1;21(1).
Pate R, Stiff-Roberts AD. Influence of semiconductor nanocrystal concentration on polymer hole transport in hybrid nanocomposites. Crystals. 2012 Jan 16;2(1):78–89.
Pate R, McCormick R, Chen L, Zhou W, Stiff-Roberts AD. RIR-MAPLE deposition of conjugated polymers for application to optoelectronic devices. Applied Physics A: Materials Science and Processing. 2011 Nov 1;105(3):555–63.
Lantz KR, Stiff-Roberts AD. Calculation of intraband absorption coefficients in organic/inorganic nanocomposites: Effects of colloidal quantum dot surface ligand and dot size. IEEE Journal of Quantum Electronics. 2011 Oct 13;47(11):1420–7.
Stiff-Roberts AD. Quantum-Dot Infrared Photodetectors. In: Comprehensive Semiconductor Science and Technology. 2011. p. 452–85.
Pate R, Lantz KR, Dhawan A, Vo-Dinh T, Stiff-Roberts AD. Resonant infrared matrix-assisted pulsed laser evaporation of inorganic nanoparticles and organic/inorganic hybrid nanocomposites. AIP Conference Proceedings. 2010 Nov 29;1278:812–23.
Chen L, Yang H, Qiang Z, Sun L, Ma Z, Xu J, et al. Direct measurement of spectrally selective absorption enhancement in Fano resonance photonic crystal cavities on plastic substrates. Proceedings of SPIE - The International Society for Optical Engineering. 2010 May 7;7609.
Chen L, Yang H, Qiang Z, Pang H, Sun L, Ma Z, et al. Colloidal quantum dot absorption enhancement in flexible Fano filters. Applied Physics Letters. 2010 Feb;96:083111.
Krishna S, Phillips J, Ghosh S, Ma J, Sabarinanthan J, Stiff-Roberts A, et al. Frontiers in semiconductor-based devices. JOURNAL OF PHYSICS D-APPLIED PHYSICS. 2009 Dec 7;42(23).
Stiff-Roberts AD. Quantum dot infrared photodetectors: Advantages, challenges, and future research directions. 2009 9th IEEE Conference on Nanotechnology, IEEE NANO 2009. 2009 Dec 1;444–9.
Pate R, Lantz KR, Stiff-Roberts AD. Controlling the distribution of CdSe colloidal quantum dots in conducting polymer nanocomposite thin films using matrix-assisted pulsed laser evaporation. Materials Research Society Symposium Proceedings. 2009 Dec 1;1121:110–5.
Stiff Roberts AD, Lantz KR, Pate R. Room-temperature, mid-infrared photodetection in colloidal quantum dot/conjugated polymer hybrid nanocomposites: a new approach to quantum dot infrared photodetectors. Journal of Physics D: Applied Physics. 2009 Nov;42:234004.
Pate R, Lantz KR, Stiff-Roberts AD. Resonant infrared matrix-assisted pulsed laser evaporation of CdSe colloidal quantum dot/poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-(1-cyano vinylene)phenylene] hybrid nanocomposite thin films. Thin Solid Films. 2009 Oct 30;517(24):6798–802.
Lantz KR, Pate R, Stiff Roberts AD, Duffell AG, Smith ER, Everitt HO. Comparison of conjugated polymer deposition techniques by photoluminescence spectroscopy. Journal of Vacuum Science and Technology B. 2009 Oct;27:2227–31.
Pate R, Stiff-Roberts AD. The impact of laser-target absorption depth on the surface and internal morphology of matrix-assisted pulsed laser evaporated conjugated polymer thin films. Chemical Physics Letters. 2009 Aug 6;477(4–6):406–10.
Stiff-Roberts AD. Quantum-dot infrared photodetectors: A review. Journal of Nanophotonics. 2009 Jan 1;3(1).
Pate R, Lantz KR, Stiff-Roberts AD. Tabletop resonant infrared matrix-assisted pulsed laser evaporation of light-emitting organic thin films. IEEE Journal on Selected Topics in Quantum Electronics. 2008 Jul 1;14(4):1022–30.
Stiff-Roberts AD, Lantz KR. Room-temperature, intraband, infrared absorption in CdSepoly[2-methoxy-5- (2′ -ethylhexyloxy)-1,4-(1-cyanovinylene)phenylene] nanocomposites drop cast on GaAs. Journal of Applied Physics. 2008 Jun 9;103(10).
Zhao ZY, Zhang WM, Yi C, Stiff-Roberts AD, Rodriguez BJ, Baddorf AP. Doping characterization of InAsGaAs quantum dot heterostructure by cross-sectional scanning capacitance microscopy. Applied Physics Letters. 2008 Mar 14;92(9).
Lantz KR, Pate R, Stiff-Roberts AD. Device characterization of CdSe/poly[2-methoxy-5-(2′-ethylhexyloxy)- 1,4-(1-cyanovinylene)phenylene] nanocomposite infrared photodetectors deposited via matrix assisted pulsed laser evaporation on GaAs. Materials Research Society Symposium Proceedings. 2008 Jan 1;1114:144–9.
Zhou W, Ma Z, Yang H, Chen L, Qiang Z, Stiff-Roberts A. Heterogeneous material integration with photonic crystal platforms for nanophotonic devices on foreign substrates. ICALEO 2008 - 27th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings. 2008 Jan 1;65–71.
Zhao ZY, Zhang WM, Yi C, Stiff-Roberts AD, Rodriguez BJ, Baddorf AP. Doping characterization of InAs/GaAs quantum dot heterostructure by cross-sectional scanning capacitance microscopy. Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS. 2007 Dec 1;32–3.
Yang H, Chen L, Qiang Z, Zhou W, Zhang W, Stiff-Roberts A, et al. Characteristics of photonic crystal cavity based infrared photodetectors. Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS. 2007 Dec 1;36–7.
Zhao Z, Lantz KR, Yi C, Stiff-Roberts AD. Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study. Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series. 2007 Dec 1;
Zhao Z, Lantz KR, Yi C, Stiff-Roberts AD. Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study. Conference on Lasers and Electro-Optics, 2007, CLEO 2007. 2007 Dec 1;
Zhao ZY, Yi C, Stiff-Roberts AD, Hoffman AJ, Wasserman D, Gmachl C. Probing dopant incorporation in InAs/GaAs QDIPs by polarization-dependent Fourier transform infrared spectroscopy. Infrared Physics and Technology. 2007 Oct 1;51(2):131–5.
Stiff Roberts AD, Zhang W, Xu J, Peng H, Everitt HO. Spin-cast Deposition of CdSe-CdS Core-shell Colloidal Quantum Dots on Doped GaAs Substrates: Structural and Optical Characterization. IEEE Transactions on Nanotechnology. 2007 Jul;6:413–20.
Zhao ZY, Yi C, Lantz KR, Stiff-Roberts AD. Effect of donor-complex-defect-induced dipole field on InAs/GaAs quantum dot infrared photodetector activation energy. Applied Physics Letters. 2007 Jun 28;90(23).
Zhao ZY, Yi C, Stiff-Roberts AD, Hoffman AJ, Wasserman D, Gmachl C. DX -like centers in InAsGaAs QDIPs observed by polarization-dependent Fourier transform infrared spectroscopy. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 2007 Jun 11;25(3):1108–12.
Stiff-Roberts AD. Hybrid nanomaterials for multi-spectral infrared photodetection. International Journal of High Speed Electronics and Systems. 2007 Mar 1;17(1):165–72.
Lantz KR, Stiff-Roberts AD. Fourier transform infrared absorbance and photoluminescence spectroscopy studies of CdSe colloidal quantum dot/conducting polymer nanocomposites for application to infrared photodetectors. Materials Research Society Symposium Proceedings. 2007 Jan 1;1015:113–8.
Zhao Z, Lantz KR, Yi C, Stiff-Roberts AD. Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study. Optics InfoBase Conference Papers. 2007 Jan 1;
Zhao Z, Lantz KR, Yi C, Stiff-Roberts AD. Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study. Optics InfoBase Conference Papers. 2007 Jan 1;
Zhao Z, Lantz KR, Yi C, Stiff-Roberts AD. Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study. Optics InfoBase Conference Papers. 2007 Jan 1;
Bhattacharya P, Stiff-Roberts AD, Chakrabarti S. Mid-infrared quantum dot photodetectors. Springer Series in Optical Sciences. 2006 Dec 11;118:487–513.
Stiff-Roberts AD, Zhao Z, Yi C. Control of dopant incorporation in InAs/GaAs quantum dots for infrared photodetection with low dark current. Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006. 2006 Dec 1;
Stokes EB, Stiff-Roberts AD, Dameron CT. Quantum dots in semiconductor optoelectronic devices. Electrochemical Society Interface. 2006 Dec 1;15(4):23–7.
Stiff-Roberts AD, Gupta A, Zhao Z. Optical characterization of CdSe colloidal quantum dot/ MEH-PPV polymer nanocomposites spin-cast on GaAs substrates. Materials Research Society Symposium Proceedings. 2006 Jan 1;939:8–13.
Wu ZK, Choi H, Norris TB, Stiff-Roberts A, Bhattacharya P. Ultrafast electronic dynamics in unipolar n-doped InAs/GaAs quantum dot structures. Quantum Electronics and Laser Science Conference (QELS). 2005 Oct 31;1:551–3.
Chakrabarti S, Stiff-Roberts AD, Su XH, Bhattacharya P, Ariyawansa G, Perera AGU. High-performance mid-infrared quantum dot infrared photodetectors. Journal of Physics D: Applied Physics. 2005 Jul 7;38(13):2135–41.
Stiff-Roberts AD, Chakrabarti S, Xiaohua SU, Bhattacharya P. Research propels quantum dots forward. Laser Focus World. 2005 May 1;41(5):103–8.
Wu ZK, Choi H, Norris TB, Stiff-Roberts A, Bhattacharya P. Ultrafast electronic dynamics in unipolar n-doped InAs/GaAs quantum dot structures. Optics InfoBase Conference Papers. 2005 Jan 1;
Su XH, Stiff-Roberts AD, Chakrabarti S, Singh J, Bhattacharya P. Resonant tunneling quantum dot infrared photodetector (RT-QDIP): Separating dark current and photocurrent. Device Research Conference - Conference Digest, DRC. 2004 Dec 1;81–2.
Bhattacharya P, Ghosh S, Stiff-Roberts AD. Quantum dot opto-electronic devices. Annual Review of Materials Research. 2004 Sep 6;34:1–40.
Su XH, Chakrabarti S, Stiff-Roberts AD, Singh J, Bhattacharya P. Quantum dot infrared photodetector design based on double-barrier resonant tunnelling. Electronics Letters. 2004 Aug 19;40(17):1082–3.
Chakrabarti S, Stiff-Roberts AD, Bhattacharya P, Gunapala S, Bandara S, Rafol SB, et al. High-temperature operation of InAs-GaAs quantum-dot infrared photodetectors with large responsivity and detectivity. IEEE Photonics Technology Letters. 2004 May 1;16(5):1361–3.
Stiff-Roberts AD, Su XH, Chakrabarti S, Bhattacharya P. Contribution of Field-Assisted Tunneling Emission to Dark Current in InAs-GaAs Quantum Dot Infrared Photodetectors. IEEE Photonics Technology Letters. 2004 Mar 1;16(3):867–9.
Chakrabarti S, Stiff-Roberts AD, Bhattacharya P, Kennerly SW. High responsivity AIAs/InAs/GaAs superlattice quantum dot infrared photodetector. Electronics Letters. 2004 Feb 5;40(3):197–8.
Chakrabarti S, Stiff-Roberts AD, Bhattacharya P, Kennerly SW. Heterostructures for achieving large responsivity in InAs/GaAs quantum dot infrared photodetectors. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 2004 Jan 1;22(3):1499–502.
Stiff-Roberts AD, Chakrabarti S, Bhattacharya P, Kennerly S. Tailoring of quantum dot infrared photodetector performance with AlAs/GaAs superlattice barriers. Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS. 2003 Dec 9;2:925–6.
Bhattacharya P, Stiff-Roberts AD, Chakrabarti S, Krishna S, Fischer C, Norris T, et al. Carrier dynamics in self-organized in(Ga)As/Ga(Al)as quantum dots and their application to long-wavelength sources and detectors. Institute of Physics Conference Series. 2003 Dec 1;174:117–24.
Stewart K, Buda M, Wong-Leung J, Fu L, Jagadish C, Stiff-Roberts A, et al. Influence of rapid thermal annealing on a 30 stack InAs/GaAs quantum dot infrared photodetector. Journal of Applied Physics. 2003 Oct 15;94(8):5283–9.
Chakrabarti S, Bhattacharya P, Stiff-Roberts AD, Lin YY, Singh J, Lei Y, et al. Intersubband absorption in annealed InAs/GaAs quantum dots: A case for polarization-sensitive infrared detection. Journal of Physics D: Applied Physics. 2003 Aug 7;36(15):1794–7.
Kochman B, Stiff-Roberts AD, Chakrabarti S, Phillips JD, Krishna S, Singh J, et al. Absorption, carrier lifetime, and gain in InAs-GaAs quantum-dot infrared photodetectors. IEEE Journal of Quantum Electronics. 2003 Mar 1;39(3):459–67.
Wu ZK, Choi H, Norris TB, Stiff AD, Bhattacharya PK. Two photon absorption in quantum dot infrared photodetector. OSA Trends in Optics and Photonics Series. 2003 Jan 1;88:1566–7.
Stiff-Roberts AD, Chakrabarti S, Kennerly S, Bhattacharya P. High responsivity, polarization-sensitive, 70-layer InAs/GaAs quantum dot infrared photodetector. OSA Trends in Optics and Photonics Series. 2003 Jan 1;88:464–6.
Stiff-Roberts AD, Chakrabarti S, Kennerly S, Bhattacharya P. High responsivity, polarization-sensitive, 70-layer InAs/GaAs quantum dot infrared photodetector. In: Optics InfoBase Conference Papers. 2003.
Chen W, Shin B, Goldman RS, Stiff A, Bhattacharya PK. Mechanisms of lateral ordering of InAs/GaAs quantum dot superlattices. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 2003 Jan 1;21(4):1920–3.
Bhattacharya P, Stiff-Roberts AD, Krishna S, Kennerly S. Quantum dot infrared detectors and sources. International Journal of High Speed Electronics and Systems. 2002 Dec 1;12(4):969–94.
Stiff-Roberts AD, Chakrabarti S, Pradhan S, Kochman B, Bhattacharya P. Raster-scan imaging with normal-incidence, midinfrared InAs/GaAs quantum dot infrared photodetectors. Applied Physics Letters. 2002 May 6;80(18):3265–7.
Stiff-Roberts AD, Krishna S, Bhattacharya P, Kennerly S. Low-bias, high-temperature performance of a normal-incidence InAs/GaAs vertical quantum-dot infrared photodetector with a current-blocking barrier. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 2002 May 1;20(3):1185–7.
Bhattacharya P, Stiff-Roberts AD, Krishna S, Kennerly S. Quantum dot infrared photodetectors. Proceedings of SPIE-The International Society for Optical Engineering. 2002 Jan 1;4646:100–9.
Krishna S, Stiff-Roberts AD, Phillips JD, Bhattacharya P, Kennerly SW. Hot dot detectors. IEEE Circuits and Devices Magazine. 2002 Jan 1;18(1):14–24.
Stewart K, Buda M, Wong-Leung J, Fu L, Jagadish C, Stiff-Roberts A, et al. Strain relaxation in rapid thermally annealed InAs/GaAs quantum dot infrared photodetectors. Conference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD. 2002 Jan 1;2002-January:475–8.
Bhattacharya P, Stiff-Roberts AD, Krishna S, Kennerly S. Quantum dot long-wavelength detectors. Materials Research Society Symposium - Proceedings. 2002 Jan 1;692:109–16.
Stiff AD, Krishna S, Bhattacharya P, Kennerly SW. Normal-incidence, high-temperature, mid-infrared, inAs-GaAs vertical quantum-dot infrared photodetector. IEEE Journal of Quantum Electronics. 2001 Nov 1;37(11):1412–9.
Stiff AD, Krishna S, Bhattacharya P, Kennerly S. High-detectivity, normal-incidence, mid-infrared (λ∼4μm)inAs/GaAs quantum-dot detector operating at 150 k. Applied Physics Letters. 2001 Jul 16;79(3):421–3.
Woodward SL, Feuer MD, Lam CF, Boroditsky M, Stiff AD. Broadcasting a single wavelength over a WDM network. Conference on Optical Fiber Communication, Technical Digest Series. 2001 Jan 1;54(3).
Stiff AD, Krishna S, Bhattacharya P, Kennerly S. High-temperature operation of mid-infrared (λ=4-5 μm) vertical and lateral InAs/GaAs/AlGaAs quantum dot infrared photodetectors. Annual Device Research Conference Digest. 2001 Jan 1;155–6.
Liu Y, Stiff-Roberts AD. Effects of Emulsion Target on the Nanoscale Morphology and Device Performance of P3HT-PC61BM Photovoltaics Fabricated by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation (RIR-MAPLE). In.
Liu Y, Stiff-Roberts AD. Effects of Emulsion Target on the Nanoscale Morphology and Device Performance of P3HT-PC61BM Photovoltaics Fabricated by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation (RIR-MAPLE). In.
Barraza E, folgueras M, stiff-roberts A. Exploration of Solvent Effects On Morphology of Polyaniline & Other Polymer Films Deposited Through RIR- MAPLE. In.
Stiff-Roberts AD, McCormick RD, Atewologun A. Investigation of Different Organic Solar Cell Active Region Structures Deposited by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation (RIR-MAPLE). In.
Stiff-Roberts AD, Ge WY, Liu Y. Empirical Growth Mechanisms of Emulsion-based, Resonant Infrared, Matrix-Assisted Pulsed Laser Evaporation. In.
Stiff-Roberts AD, McCormick RD, Ge W. Material Properties and Applications of Blended Organic Thin Films with Nanoscale Domains Deposited by RIR-MAPLE (INVITED). In.
Stiff-Roberts AD. Organic and Hybrid Organic-Inorganic Thin Film Deposition by Resonant Infrared, Matrix-Assisted Pulsed Laser Evaporation (INVITED). In.