a–d, Crystal structures of the 1CzTrz-F (a,b) and 3CzTrz-F (c,d) compounds, determined by XRD. a,c, Diagrams of the two dimers of both crystallographic unit cells to show the molecular packing. b,d, Spatial arrangement of the acceptor–donor contacts in the 3D crystal structure. The triazine acceptor and the carbazole donor units are coloured orange and blue, respectively. The green features in d indicate co-crystallized chloroform molecules. (Credit: Oskar Sachnik et al., 2023)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/41563_2023_1592_Fig3_HTML.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/41563_2023_1592_Fig3_HTML.jpeg?w=800">For organic semiconductors like the very common organic light-emitting diode (OLED), the issue of degradation due to contaminants that act as charge traps is a major problem. During the development …read more (https://hackaday.com/2023/08/13/eliminating-charge-carrier-trapping-in-organic-semiconductors/)

Making Things Square in Three Dimensions
https://hackaday.com/2023/08/13/making-things-square-in-three-dimensions/

Measure twice, cut once is excellent advice when building anything, from carpentry to metalworking. While this adage will certainly save a lot of headache, mistakes, and wasted material, it will …read more (https://hackaday.com/2023/08/13/making-things-square-in-three-dimensions/)

Portable 1990s POS Will Strain Your Back
https://hackaday.com/2023/08/13/portable-1990s-pos-will-strain-your-back/

screen capture from JR’s YouTube video
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/pos-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/pos-feature.png?w=800">[JR] over at [Tech Throwback] got ahold of an unusual piece of gear recently — a portable Point of Sale (POS) credit card machine from the late 1990s (video, embedded …read more (https://hackaday.com/2023/08/13/portable-1990s-pos-will-strain-your-back/)

Hackaday Links: August 13, 2023
https://hackaday.com/2023/08/13/hackaday-links-august-13-2023/

Remember that time when the entire physics community dropped what it was doing to replicate the extraordinary claim that a room-temperature semiconductor had been discovered? We sure do, and if …read more (https://hackaday.com/2023/08/13/hackaday-links-august-13-2023/)

Update Your Chinese Radio Without The Pain
https://hackaday.com/2023/08/13/update-your-chinese-radio-without-the-pain/

The new hotness in cheap radios this year has been the Quansheng UV-K5, a Chinese handheld transceiver with significant RF abilities and easy modding. The amateur radio community have seized …read more (https://hackaday.com/2023/08/13/update-your-chinese-radio-without-the-pain/)

Linux Kernel from First Principles
https://hackaday.com/2023/08/13/linux-kernel-from-first-principles/

What to learn the internals of the Linux kernel? Version 6.5-rc5 has about 36 million lines of code in it, so good luck! [Seiya] has a different approach. Go back …read more (https://hackaday.com/2023/08/13/linux-kernel-from-first-principles/)

Home Network Organization Gets Out of Hand
https://hackaday.com/2023/08/14/home-network-organization-gets-out-of-hand/

Image from spooky ghost’s blog writeup
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/rack-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/rack-feature.png?w=800">[SpookyGhost] has a big home network, and has taken cable management and server organization to the extreme. He has written about individual components before, but this blog post brings it …read more (https://hackaday.com/2023/08/14/home-network-organization-gets-out-of-hand/)