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Posts by Michael Nielsen

Credit to Prof Michael Fuhrer @michaelsfuhrer.bsky.social , Prof Stefan Maier (Monash) and Prof Ned Ekins-Daukes (UNSW) who arent on Bluesky

1 month ago 1 0 0 0
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Balancing positive and negative luminescence for thermoradiative signatureless communications - Light: Science & Applications We demonstrate covert transmission of data by rapidly modulating mid-infrared photodiodes, balancing forward and reverse bias luminescence. Only fast detectors resolve the signal; slow observers obser...

Have you ever wanted to send someone a message but didnt want an observer seeing you do it? Introducing thermoradiative signatureless communications (now published in LSA), an offshoot of our work on negative luminescence for night-time solar applications.
www.nature.com/articles/s41...

1 month ago 3 2 1 0

Linkage? Should note this also wastes the time of Australian (and international) industry partners and doesn't exactly help with convincing them to engage with University partners.
I'm doing the same thing, and my American partner is quite confused with why our system is like this.

1 month ago 1 0 1 0

Also, annoying that we will no longer know the results of the last Linkage round before the next one.

3 months ago 7 0 1 0

I like that DPs will now be announced after they are nominally supposed to start (Jan 2027)

3 months ago 12 1 1 0

I had thought they might be tipping it into DECRAs and Futures after they removed the limit on the number to be granted this round.

4 months ago 0 0 1 0
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Between the Nanosheets: Enhancing Electron–Hole Exchange Interaction for Room-Temperature Magneto-Photoluminescence in Liquid-phase-exfoliated 2D Perovskite Nanomaterials with a strong room-temperature optical response to magnetic fields are highly desirable for applications in sensing and photonics. Therefore, the ability to tune this response presents a...

Very excited for our new paper to come out in ACS Nano where we investigate room-temperature magneto-photoluminescence in 2D perovskite nanosheets! doi.org/10.1021/acsn...

4 months ago 3 1 0 0

And some small opportunities realistically take similar effort to apply, setup and manage as larger bids, but with a much smaller payoff. It adds up.

5 months ago 1 0 0 0
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Singlet Fission c-Si Solar Cells: Beyond Tetracene Singlet fission photovoltaics enable the extraction of two electron–hole pairs from each higher-energy photon while leveraging a mature technology such as crystalline silicon (c-Si) as the underlying cell. Significant steps have been made in the development of singlet fission silicon photovoltaics, but all examples reported to date use tetracene as the singlet fission material. Tetracene is photochemically unstable and therefore unsuitable for commercial applications. Here we demonstrate singlet fission-derived triplet exciton transfer to c-Si from photochemically stable dipyrrolonaphthyridinedione (DPND) derivatives, with a thin layer of tin oxide as the passivation layer. An overlayer of poly(3,4-ethylenedioxythiophene) polystyrenesulfonate (PEDOT:PSS) was found to improve interface passivation further. These observations demonstrate that singlet fission photovoltaic devices can be made using stable and commercially viable materials.

Latest work from @schmidtim.bsky.social Tayebjee and collaborators
Singlet Fission c-Si Solar Cells: Beyond Tetracene | ACS Energy Letters pubs.acs.org/doi/10.1021/...

7 months ago 9 3 0 0

Pushing it back to July, as well as pushing the annoucement of Rd2 2025 back by two months is annoying for those with industry partners in the current round because now this will have the same conflict with the 2026 March round

10 months ago 0 0 0 0

Credit to @samstranks.bsky.social and Milos especially for finishing this work which started over 4 years ago!

10 months ago 3 0 0 0
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Dynamic nanodomains dictate macroscopic properties in lead halide perovskites - Nature Nanotechnology Dynamic nanodomains in lead halide perovskites, dictated by A-site cations, crucially affect the optoelectronic properties by modulating electronic disorder and consequently enabling better solar cell...

Finally published in @natnano.nature.com, this work shows how A-site cation in perovskites influences dynamic nanodomains, fleeting pockets of tilted octahedra, lurking in the lattice. Nanoscale crystallography driving macroscopic performance! www.nature.com/articles/s41...

10 months ago 6 2 1 0

Congratulations on passing the PhD to Dr Abhinav Sharma, who I had the pleasure of supervising these last few years. He leaves us soon for greener pastures in Germany, but leaves behind a great read: unsworks.unsw.edu.au/entities/pub...

2 years ago 5 0 0 0

Please let me know when those weeks become possible. Newest monster has managed to attend only 2 out of his first 5 weeks of daycare so far.

2 years ago 1 0 1 0