Electrical resistivity of polycrystalline AgInSe2 thin films

A simple solution-phase approach to synthesize high quality ternary AgInSe2 and band gap tunable quaternary AgIn(S1−xSex)2 nanocrystals

“…32,33 In the past, most of the studies on AgInSe 2 were limited to the bulk material or the synthesis and performance of thin lms. [34][35][36][37][38] While recently a number of effective methods have been developed to synthesize AgInSe 2 nanocrystals. [39][40][41][42][43][44] Vittal's group famously reported the synthesis of AgInSe 2 nanocrystals and obtained close to monodisperse orthorhombic AgInSe 2 nanorods by thermal decomposition of a single phenyl phosphine source route.…”

Enhancing the optoelectronic properties of solution-processed AgInSe2 thin films for application in photovoltaics

“…49 Patel et al found that the AgInSe 2 films exhibited higher resistivity because of selenium deficiency. 26 On similar grounds, Matsuo et al pointed out that the AgInSe 2 samples annealed above 400 °C contained Ag and Se vacancies (V Ag and V Se , respectively). 28 In CuInSe 2 , selenium vacancies act as donors and provide electrons to the conduction band; similar phenomena may happen for AgInSe 2 .…”

“…Similar large variations have also been reported for the conductivity and the carrier mobility. 23,24,[26][27][28]30,[44][45][46]49 These variations might be due to the different defects being present in the material depending on the composition. It is possible that the selenium vacancies are contributing to the n-type conductivity and a selenium poor composition may lead an n-type conductivity with high electron concentration.…”

“…In most cases, AgInSe 2 films have been prepared using costly vacuum processing techniques. 20,[23][24][25][26][27][28][29][30] These techniques require a high vacuum, have inefficient material utilization, and involve batch processing. 31,32 Solution processing is a costeffective alternative for rapidly commercializing promising materials such as AgInSe 2 .…”

The ‘one man company’ after Patel v Mirza: attribution and illegality in Singularis Holdings v Daiwa Capital Markets

“…The Patel illegality rule is, at a basic level, inconsistent with the understanding of illegality which provides the logical grounding for decisions like Clunis and Gray, notwithstanding the fact that the justices in Patel considered those older decisions unproblematic. Despite dutifully incanting Lord Mansfield's primordial statement of principle that the illegality doctrine 'is not designed to achieve justice between the parties', the majority in Patel declared it important to avoid an 'incongruous result in legal and moral terms' 78 and to 'strive for the most desirable policy outcome'. 79 This requires a court to 'tak[e] into account a range of factors' 80 to establish 'whether the Northern Ireland Legal Quarterly 71(3) public interest ... should result in denial of the relief claimed'.…”