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\title{{[}American Chemical Society AMA{]} Hi! I am Amanda Morris, an Assistant
Professor of Energy Chemistry at Virginia Tech. The Solar Solution! I am
here to discuss methods to make solar energy competitive --}



\author[1]{Amanda Morris}%
\author[1]{r/Science AMAs}%
\affil[1]{Affiliation not available}%


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  \date{April 23, 2026}


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\begin{abstract}
Hi Reddit! I am a Professor of Chemistry at Virginia Tech. I was hired
as an Energy chemist and my research focuses of solar energy harvesting
and storage. At Virginia Tech, I am affiliated with the Center for
Energy Harvesting Materials (link), the Sustainable Energy Thrust of the
Institute for Critical Technology and Applied Science (link), and the
Macromolecules and Interfaces Institute (link). With the American
Chemical Society, I serve as an ACS Expert in the field of sustainable
energy. In one and a half hours enough solar energy hits the earth
surface to power human civilization for an entire year. Remaining
challenges that limit the wide-spread use of solar energy are the
development of economical solar harvesting materials and advances in
energy storage. Along those lines, my research group focuses on two next
generation solar cell architectures -- quantum dot sensitized solar
cells and hybrid bulk heterojunction solar cells. Both of these
architectures use inexpensive, nanocrystalline titanium dioxide as the
bulk of the solar cell. Therefore, these cells can theoretically be made
for a fraction of the cost of a silicon solar cell. Even if the cost of
the solar module is reduced, there is still the issue of the
intermittent nature of the sun. So in addition to research on
photovoltaics, my research group explores methods to store solar energy
in chemical bonds. Nature's photosynthetic system --- a complex assembly
of light harvesting arrays, electron transfer relays, and catalytic
centers --- achieves just that using energy from the sun to convert
water and carbon dioxide into sugars (our stored fuel!). In our lab, we
try to mimic the photosynthetic system with metal organic framework
arrays. Metal organic frameworks are porous networks of inorganic
clusters and organic ligands. The function of the framework (light
harvesting, catalytic, etc) can be tuned by the type of clusters and
organic molecules incorporated. We are interested in the guiding
principles behind efficient light harvesting, energy transfer, electron
transport, and catalysis in these arrays. Check out our recent
publications in the areas discussed above:
http://pubs.acs.org/doi/abs/10.1021/ja410684q
http://pubs.acs.org/doi/abs/10.1021/jacs.5b03071
http://pubs.acs.org/doi/abs/10.1021/am500101u So feel free to ask me
anything about next generation solar cells including dye-sensitized
solar cells, quantum dot sensitized solar cells, bulk heterojunction
solar cells, and hybrid bulk heterojunctions solar cells, artificial
photosynthesis, water oxidation, carbon dioxide reduction, metal organic
frameworks, and chemistry. I would welcome discuss around the economic
outlook for solar energy. Additionally, I would be happy to answer steps
we all can take to reduce our carbon footprint and the role solar energy
can play in our own households. Lastly, I am open to discussions around
academic career paths and diversity in science. I will return at 11 am
ET to answer your questions. {[}EDIT{]} I am here with members of my
team (Dr. William Maza, Spencer Ahrenholtz (PhD Candidate), Andrew
Haring (PhD Candidate). We are ready to answer your questions! AMA!
{[}EDIT{]} Signing off now (12:15 PM ET). I will try to return to
continue the discussions that have started. Thank you for participating!
{[}EDIT{]} Back on (3:30 PM ET) to try to answer some more questions!
Glad to see the discussions kept going! {[}EDIT{]} Signing off again
(5:18 PM ET). I hope to come back again to answer the remaining
questions! {[}EDIT{]} I will keep returning to answer any more questions
that pop up! Thank you for a stimulating discussion! Signing off (11:30
PM ET)%
\end{abstract}%



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