2026-09-19T16:37:55Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/353022022-01-13T07:54:29Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Marc A. Baldo.
Mapel, Jonathan King
Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2007-01-10T15:37:20Z
2007-01-10T15:37:20Z
2006
2006
http://hdl.handle.net/1721.1/35302
75290739
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 51-60).
Photosynthetic approaches to redesigning photovoltaics (PV) offer an attractive route towards achieving high-efficiency, low-cost solar energy transduction. This thesis explores two routes toward this end: the direct integration of photosynthetic structures into solid-state devices and the architectural redesign of organic solar cells to more closely parallel photosynthesis. The highly accent photosynthetic reaction center is the site of exciton dissociation in photosynthesis, analogous to the role of the donor-acceptor interface in organic PV. This thesis describes the successful integration of reaction centers with organic semiconductors into solid-state devices. Although functional, we nd that these devices suer the same limitation as the more traditional organic PV: the ability to absorb enough light. Photosynthetic bacteria and plants compartmentalize the processes leading to light energy conversion. This spatial separation of structures augments the evolutionary design space: the processes of photon absorption and exciton dissociation occur in two separate locations, allowing the independent functional optimization of each.
(cont.) Applying a similar approach to PV would similarly remove the need for multifunctional materials, bypassing limiting tradeos and permitting the utilization of new material systems. To this end, I propose a novel architecture and present initial conclusions on theoretical performance eciency. Fabricated devices demonstrate the system is viable and suggests that further improvements in device design will enable highly ecient photovoltaics.
by Jonathan King Mapel.
S.M.
60 p.
1363010 bytes
1400641 bytes
application/pdf
application/pdf
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Electrical Engineering and Computer Science.
The application of photosynthetic materials and architectures to solar cells
Thesis
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<Abstract>(cont.) Applying a similar approach to PV would similarly remove the need for multifunctional materials, bypassing limiting tradeos and permitting the utilization of new material systems. To this end, I propose a novel architecture and present initial conclusions on theoretical performance eciency. Fabricated devices demonstrate the system is viable and suggests that further improvements in device design will enable highly ecient photovoltaics.</Abstract>
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